10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

☑	QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the quarterly period ended September 30, 2019
	Or
☐	TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
	For the transition period from                   to

Commission file number 1-34370

WASTE CONNECTIONS, INC.

(Exact name of registrant as specified in its charter)

Ontario, Canada

(State or other jurisdiction of incorporation or organization)

98-1202763

(I.R.S. Employer Identification No.)

610 Applewood Crescent, 2^nd Floor

Vaughan

Ontario L4K 0E3

Canada

(Address of principal executive offices)

(905) 532-7510

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Shares, no par value	WCN	New York Stock Exchange (“NYSE”) Toronto Stock Exchange (“TSX”)

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports); and (2) has been subject to such filing requirements for the past 90 days.

Yes þ No ◻

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

Yes þ No ◻

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act. (Check one):

þ Large Accelerated
Filer ◻ Accelerated
Filer ◻ Non-accelerated
Filer ☐ Smaller Reporting
Company ☐ Emerging Growth
Company

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ◻

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Yes ☐ No þ

Indicate the number of shares outstanding of each of the issuer’s classes of common shares:

As of October 18, 2019: 263,676,837 common shares

WASTE CONNECTIONS, INC.

FORM 10-Q

TABLE OF CONTENTS

		Page
PART I – FINANCIAL INFORMATION (unaudited)
Item 1.	Financial Statements
	Condensed Consolidated Balance Sheets	1
	Condensed Consolidated Statements of Net Income	2
	Condensed Consolidated Statements of Comprehensive Income	3
	Condensed Consolidated Statements of Equity	4
	Condensed Consolidated Statements of Cash Flows	6
	Notes to Condensed Consolidated Financial Statements	7
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	38
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	65
Item 4.	Controls and Procedures	67
PART II – OTHER INFORMATION
Item 1.	Legal Proceedings	68
Item 6.	Exhibits	68
Signatures		69

PART I – FINANCIAL INFORMATION

Item 1. Financial Statements

WASTE CONNECTIONS, INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited)

(In thousands of U.S. dollars, except share and per share amounts)

	September 30,		December 31,
	2019		2018
ASSETS
Current assets:
Cash and equivalents	$	303,778	$	319,305
Accounts receivable, net of allowance for doubtful accounts of $15,369 and $16,760 at September 30, 2019 and December 31, 2018, respectively		676,676		609,545
Prepaid expenses and other current assets		124,836		164,053
Total current assets		1,105,290		1,092,903
Restricted cash		92,050		84,661
Restricted investments		50,602		47,486
Property and equipment, net		5,375,166		5,168,996
Operating lease right-of-use assets		189,697		—
Goodwill		5,297,556		5,031,685
Intangible assets, net		1,097,036		1,128,628
Other assets, net		62,838		72,970
Total assets	$	13,270,235	$	12,627,329
LIABILITIES AND EQUITY
Current liabilities:
Accounts payable	$	428,492	$	359,967
Book overdraft		20,429		18,518
Accrued liabilities		299,139		289,544
Current portion of operating lease liabilities		30,162		—
Current portion of contingent consideration		12,393		11,612
Deferred revenue		200,677		179,282
Current portion of long-term debt and notes payable		502		1,786
Total current liabilities		991,794		860,709
Long-term portion of debt and notes payable		4,039,405		4,153,465
Long-term portion of operating lease liabilities		166,347		—
Long-term portion of contingent consideration		44,561		43,003
Deferred income taxes		800,223		760,033
Other long-term liabilities		431,565		349,931
Total liabilities		6,473,895		6,167,141
Commitments and contingencies (Note 18)
Equity:
Common shares: 263,697,618 shares issued and 263,616,104 shares outstanding at September 30, 2019; 263,271,302 shares issued and 263,141,413 shares outstanding at December 31, 2018		4,135,343		4,131,307
Additional paid-in capital		147,188		133,577
Accumulated other comprehensive loss		(61,228)		(74,786)
Treasury shares: 81,514 and 129,889 shares at September 30, 2019 and December 31, 2018, respectively		—		—
Retained earnings		2,569,663		2,264,510
Total Waste Connections’ equity		6,790,966		6,454,608
Noncontrolling interest in subsidiaries		5,374		5,580
Total equity		6,796,340		6,460,188
	$	13,270,235	$	12,627,329

The accompanying notes are an integral part of these condensed consolidated financial statements.

1

WASTE CONNECTIONS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF NET INCOME

(Unaudited)

(In thousands of U.S. dollars, except share and per share amounts)

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Revenues	$	1,412,444	$	1,281,110	$	4,026,719	$	3,661,209
Operating expenses:
Cost of operations		835,098		736,122		2,384,607		2,120,947
Selling, general and administrative		137,883		139,014		410,132		398,582
Depreciation		157,994		148,232		461,616		423,866
Amortization of intangibles		31,934		26,871		93,821		79,444
Impairments and other operating items		12,935		(1,998)		32,949		6,106
Operating income		236,600		232,869		643,594		632,264
Interest expense		(36,780)		(32,078)		(111,313)		(96,874)
Interest income		2,056		1,467		7,186		3,677
Other income (expense), net		(19)		600		4,562		2,053
Income before income tax provision		201,857		202,858		544,029		541,120
Income tax provision		(42,783)		(52,092)		(110,539)		(126,509)
Net income		159,074		150,766		433,490		414,611
Plus (less): Net loss (income) attributable to noncontrolling interests		35		77		89		(218)
Net income attributable to Waste Connections	$	159,109	$	150,843	$	433,579	$	414,393
Earnings per common share attributable to Waste Connections’ common shareholders:
Basic	$	0.60	$	0.57	$	1.64	$	1.57
Diluted	$	0.60	$	0.57	$	1.64	$	1.57
Shares used in the per share calculations:
Basic		263,853,681		263,628,838		263,768,258		263,657,274
Diluted		264,587,456		264,394,757		264,473,345		264,376,320
Cash dividends per common share	$	0.16	$	0.14	$	0.48	$	0.42

The accompanying notes are an integral part of these condensed consolidated financial statements.

2

WASTE CONNECTIONS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited)

(In thousands of U.S. dollars)

	Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Net income	$	159,074	$	150,766	$	433,490	$	414,611
Other comprehensive income (loss), before tax:
Interest rate swap amounts reclassified into interest expense		(1,974)		4,279		(6,918)		2,407
Fuel hedge amounts reclassified into cost of operations		—		(1,810)		—		(4,647)
Changes in fair value of interest rate swaps		(15,482)		863		(56,818)		15,828
Changes in fair value of fuel hedges		—		295		—		2,956
Foreign currency translation adjustment		(24,911)		35,455		60,404		(67,349)
Other comprehensive income (loss), before tax		(42,367)		39,082		(3,332)		(50,805)
Income tax (expense) benefit related to items of other comprehensive income (loss)		4,626		(985)		16,890		(4,405)
Other comprehensive income (loss), net of tax		(37,741)		38,097		13,558		(55,210)
Comprehensive income		121,333		188,863		447,048		359,401
Plus (less): Comprehensive loss (income) attributable to noncontrolling interests		35		77		89		(218)
Comprehensive income attributable to Waste Connections	$	121,368	$	188,940	$	447,137	$	359,183

The accompanying notes are an integral part of these condensed consolidated financial statements.

3

WASTE CONNECTIONS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF EQUITY

(Unaudited)

(In thousands of U.S. dollars, except share amounts)

	WASTE CONNECTIONS' EQUITY
						ACCUMULATED
				ADDITIONAL		OTHER
	COMMON SHARES			PAID-IN		COMPREHENSIVE		TREASURY SHARES			RETAINED		NONCONTROLLING
	SHARES	AMOUNT		CAPITAL		INCOME (LOSS)		SHARES	AMOUNT		EARNINGS		INTERESTS		TOTAL
Balances at December 31, 2018	263,141,413	$	4,131,307	$	133,577	$	(74,786)	129,889	$	—	$	2,264,510	$	5,580	$	6,460,188
Sale of common shares held in trust	43,637		3,610		—		—	(43,637)		—		—		—		3,610
Vesting of restricted share units	400,555		—		—		—	—		—		—		—		—
Vesting of performance-based restricted share units	180,258		—		—		—	—		—		—		—		—
Restricted share units released from deferred compensation plan	15,371		—		—		—	—		—		—		—		—
Tax withholdings related to net share settlements of equity-based compensation	(202,679)		—		(16,974)		—	—		—		—		—		(16,974)
Equity-based compensation	—		—		11,627		—	—		—		—		—		11,627
Exercise of warrants	8,690		—		—		—	—		—		—		—		—
Cash dividends on common shares	—		—		—		—	—		—		(42,084)		—		(42,084)
Amounts reclassified into earnings, net of taxes	—		—		—		(1,817)	—		—		—		—		(1,817)
Changes in fair value of cash flow hedges, net of taxes	—		—		—		(11,555)	—		—		—		—		(11,555)
Foreign currency translation adjustment	—		—		—		42,180	—		—		—		—		42,180
Cumulative effect adjustment from adoption of new accounting pronouncement	—		—		—		—	—		—		(2,078)		—		(2,078)
Net income (loss)	—		—		—		—	—		—		125,622		(45)		125,577
Balances at March 31, 2019	263,587,245		4,134,917		128,230		(45,978)	86,252		—		2,345,970		5,535		6,568,674
Sale of common shares held in trust	973		85		—		—	(973)		—		—		—		85
Vesting of restricted share units	6,495		—		—		—	—		—		—		—		—
Tax withholdings related to net share settlements of equity-based compensation	(3,081)		—		(290)		—	—		—		—		—		(290)
Equity-based compensation	—		—		10,254		—	—		—		—		—		10,254
Exercise of warrants	9,607		—		—		—	—		—		—		—		—
Cash dividends on common shares	—		—		—		—	—		—		(42,131)		—		(42,131)
Amounts reclassified into earnings, net of taxes	—		—		—		(1,817)	—		—		—		—		(1,817)
Changes in fair value of cash flow hedges, net of taxes	—		—		—		(18,827)	—		—		—		—		(18,827)
Foreign currency translation adjustment	—		—		—		43,135	—		—		—		—		43,135
Distributions to noncontrolling interests	—		—		—		—	—		—		—		(117)		(117)
Net income (loss)	—		—		—		—	—		—		148,848		(9)		148,839
Balances at June 30, 2019	263,601,239		4,135,002		138,194		(23,487)	85,279		—		2,452,687		5,409		6,707,805
Sale of common shares held in trust	3,765		341		—		—	(3,765)		—		—		—		341
Vesting of restricted share units	6,827		—		—		—	—		—		—		—		—
Restricted share units released from deferred compensation plan	1,004		—		—		—	—		—		—		—		—
Tax withholdings related to net share settlements of equity-based compensation	(3,501)		—		(328)		—	—		—		—		—		(328)
Equity-based compensation	—		—		9,322		—	—		—		—		—		9,322
Exercise of warrants	6,770		—		—		—	—		—		—		—		—
Cash dividends on common shares	—		—		—		—	—		—		(42,133)		—		(42,133)
Amounts reclassified into earnings, net of taxes	—		—		—		(1,451)	—		—		—		—		(1,451)
Changes in fair value of cash flow hedges, net of taxes	—		—		—		(11,379)	—		—		—		—		(11,379)
Foreign currency translation adjustment	—		—		—		(24,911)	—		—		—		—		(24,911)
Net income (loss)	—		—		—		—	—		—		159,109		(35)		159,074
Balances at September 30, 2019	263,616,104	$	4,135,343	$	147,188	$	(61,228)	81,514	$	—	$	2,569,663	$	5,374	$	6,796,340

The accompanying notes are an integral part of these condensed consolidated financial statements.

4

WASTE CONNECTIONS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF EQUITY

(Unaudited)

(In thousands of U.S. dollars, except share amounts)

	WASTE CONNECTIONS' EQUITY
						ACCUMULATED
				ADDITIONAL		OTHER
	COMMON SHARES			PAID-IN		COMPREHENSIVE		TREASURY SHARES			RETAINED		NONCONTROLLING
	SHARES	AMOUNT		CAPITAL		INCOME (LOSS)		SHARES	AMOUNT		EARNINGS		INTERESTS		TOTAL
Balances at December 31, 2017	263,494,670	$	4,187,568	$	115,743	$	108,413	166,133	$	—	$	1,856,946	$	5,400	$	6,274,070
Sale of common shares held in trust	26,849		1,947		—		—	(26,849)		—		—		—		1,947
Vesting of restricted share units	452,700		—		—		—	—		—		—		—		—
Vesting of performance-based restricted share units	154,181		—		—		—	—		—		—		—		—
Restricted share units released from deferred compensation plan	114		—		—		—	—		—		—		—		—
Tax withholdings related to net share settlements of equity-based compensation	(206,084)		—		(14,121)		—	—		—		—		—		(14,121)
Equity-based compensation	—		—		7,991		—	—		—		—		—		7,991
Repurchase of common shares	(594,474)		(42,040)		—		—	—		—		—		—		(42,040)
Cash dividends on common shares	—		—		—		—	—		—		(36,814)		—		(36,814)
Amounts reclassified into earnings, net of taxes	—		—		—		(1,303)	—		—		—		—		(1,303)
Changes in fair value of cash flow hedges, net of taxes	—		—		—		9,114	—		—		—		—		9,114
Foreign currency translation adjustment	—		—		—		(59,330)	—		—		—		—		(59,330)
Cumulative effect adjustment from adoption of new accounting pronouncement	—		—		—		—	—		—		16,296		—		16,296
Distributions to noncontrolling interests	—		—		—		—	—		—		—		(103)		(103)
Net income	—		—		—		—	—		—		124,869		163		125,032
Balances at March 31, 2018	263,327,956		4,147,475		109,613		56,894	139,284		—		1,961,297		5,460		6,280,739
Sale of common shares held in trust	2,638		199		—		—	(2,638)		—		—		—		199
Vesting of restricted share units	15,723		—		—		—	—		—		—		—		—
Restricted share units released from deferred compensation plan	4,311		—		—		—	—		—		—		—		—
Tax withholdings related to net share settlements of equity-based compensation	(6,173)		—		(468)		—	—		—		—		—		(468)
Equity-based compensation	—		—		8,968		—	—		—		—		—		8,968
Exercise of options and warrants	17,571		—		—		—	—		—		—		—		—
Cash dividends on common shares	—		—		—		—	—		—		(36,770)		—		(36,770)
Amounts reclassified into earnings, net of taxes	—		—		—		(2,204)	—		—		—		—		(2,204)
Changes in fair value of cash flow hedges, net of taxes	—		—		—		3,890	—		—		—		—		3,890
Foreign currency translation adjustment	—		—		—		(43,474)	—		—		—		—		(43,474)
Cumulative effect adjustment from adoption of new accounting pronouncement	—		—		—		—	—		—		(3,053)		—		(3,053)
Net income	—		—		—		—	—		—		138,682		132		138,814
Balances at June 30, 2018	263,362,026		4,147,674		118,113		15,106	136,646		—		2,060,156		5,592		6,346,641
Sale of common shares held in trust	2,964		235		—		—	(2,964)		—		—		—		235
Vesting of restricted share units	12,154		—		—		—	—		—		—		—		—
Restricted share units released from deferred compensation plan	644		—		—		—	—		—		—		—		—
Tax withholdings related to net share settlements of equity-based compensation	(4,878)		—		(387)		—	—		—		—		—		(387)
Equity-based compensation	—		—		6,591		—	—		—		—		—		6,591
Cash dividends on common shares	—		—		—		—	—		—		(36,863)		—		(36,863)
Amounts reclassified into earnings, net of taxes	—		—		—		1,786	—		—		—		—		1,786
Changes in fair value of cash flow hedges, net of taxes	—		—		—		856	—		—		—		—		856
Foreign currency translation adjustment	—		—		—		35,455	—		—		—		—		35,455
Net income (loss)	—		—		—		—	—		—		150,843		(77)		150,766
Balances at September 30, 2018	263,372,910	$	4,147,909	$	124,317	$	53,203	133,682	$	—	$	2,174,136	$	5,515	$	6,505,080

The accompanying notes are an integral part of these condensed consolidated financial statements.

5

WASTE CONNECTIONS, INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

(In thousands of U.S. dollars)

	Nine Months Ended September 30,
	2019		2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$	433,490	$	414,611
Adjustments to reconcile net income to net cash provided by operating activities:
Loss on disposal of assets and impairments		31,852		6,852
Depreciation		461,616		423,866
Amortization of intangibles		93,821		79,444
Amortization of leases		17,661		—
Deferred income taxes, net of acquisitions		41,481		45,765
Amortization of debt issuance costs		3,708		3,087
Share-based compensation		35,510		35,434
Interest accretion		12,283		11,135
Payment of contingent consideration recorded in earnings		—		(11)
Adjustments to contingent consideration		1,466		349
Other		(1,316)		180
Net change in operating assets and liabilities, net of acquisitions		53,858		17,080
Net cash provided by operating activities		1,185,430		1,037,792
CASH FLOWS FROM INVESTING ACTIVITIES:
Payments for acquisitions, net of cash acquired		(420,392)		(500,064)
Capital expenditures for property and equipment		(433,526)		(373,512)
Capital expenditure for purchase of greenfield landfill site		(31,683)		—
Proceeds from disposal of assets		2,626		3,698
Change in restricted investments, net of interest income		(2,171)		—
Other		(526)		(568)
Net cash used in investing activities		(885,672)		(870,446)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from long-term debt		1,021,795		165,737
Principal payments on notes payable and long-term debt		(1,184,165)		(387,700)
Payment of contingent consideration recorded at acquisition date		(1,621)		(5,459)
Change in book overdraft		1,911		(243)
Payments for repurchase of common shares		—		(42,040)
Payments for cash dividends		(126,348)		(110,447)
Tax withholdings related to net share settlements of equity-based compensation		(17,592)		(14,976)
Debt issuance costs		(5,938)		(2,839)
Proceeds from sale of common shares held in trust		4,036		2,381
Other		(117)		(103)
Net cash used in financing activities		(308,039)		(395,689)
Effect of exchange rate changes on cash, cash equivalents and restricted cash		143		(528)
Net decrease in cash, cash equivalents and restricted cash		(8,138)		(228,871)
Cash, cash equivalents and restricted cash at beginning of period		403,966		556,467
Plus: change in cash held for sale		—		192
Cash, cash equivalents and restricted cash at end of period	$	395,828	$	327,788
Non-cash financing activities:
Liabilities assumed and notes payable issued to sellers of businesses acquired	$	94,009	$	100,753

The accompanying notes are an integral part of these condensed consolidated financial statements.

6

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

1.BASIS OF PRESENTATION AND SUMMARY

The accompanying condensed consolidated financial statements relate to Waste Connections, Inc. and its subsidiaries (the “Company”) for the three and nine month periods ended September 30, 2019 and 2018. In the opinion of management, the accompanying balance sheets and related interim statements of net income, comprehensive income, cash flows and equity include all adjustments, consisting only of normal recurring items, necessary for their fair statement in conformity with U.S. generally accepted accounting principles (“GAAP”). Preparing financial statements requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses. Examples include accounting for landfills, self-insurance accruals, income taxes, allocation of acquisition purchase price, contingent consideration accruals and asset impairments. An additional area that involves estimation is when the Company estimates the amount of potential exposure it may have with respect to litigation, claims and assessments in accordance with the accounting guidance on contingencies. Actual results for all estimates could differ materially from the estimates and assumptions that the Company uses in the preparation of its condensed consolidated financial statements.

Interim results are not necessarily indicative of results for a full year. These interim financial statements should be read in conjunction with the financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2018.

2.REPORTING CURRENCY

The functional currency of the Company, as the parent corporate entity, and its operating subsidiaries in the United States, is the U.S. dollar. The functional currency of the Company’s Canadian operations is the Canadian dollar. The reporting currency of the Company is the U.S. dollar. The Company’s consolidated Canadian dollar financial position is translated to U.S. dollars by applying the foreign currency exchange rate in effect at the consolidated balance sheet date. The Company’s consolidated Canadian dollar results of operations and cash flows are translated to U.S. dollars by applying the average foreign currency exchange rate in effect during the reporting period. The resulting translation adjustments are included in other comprehensive income or loss. Gains and losses from foreign currency transactions are included in earnings for the period.

3.NEW ACCOUNTING STANDARDS

Accounting Standards Adopted

Lease Accounting.  In February 2016, the Financial Accounting Standards Board (“FASB”) issued guidance that requires lessees to recognize a right-of-use asset and a lease liability for virtually all of their leases (other than leases that meet the definition of a short-term lease).  The liability will be equal to the present value of lease payments.  The asset will be based on the liability, subject to adjustment, such as for initial direct costs.  For income statement purposes, the FASB retained a dual model, requiring leases to be classified as either operating or finance.  Operating leases will result in straight-line expense (similar to current operating leases) while finance leases will result in a front-loaded expense pattern (similar to current capital leases).  Classification will be based on criteria that are largely similar to those applied in current lease accounting, but without explicit bright lines.  The new standard was effective for public companies for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018, with early adoption permitted.  The FASB issued new guidance in July 2018, which amended the guidance to allow the issuer to elect from two adoption alternatives: 1) apply the new guidance at the beginning of the earliest comparative period presented; or 2) apply the new guidance at the effective date and recognize a cumulative-effect adjustment, without adjusting the comparative periods presented.  

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WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

The Company adopted the new standard on January 1, 2019 and elected to apply the new guidance at the effective date and recognize a cumulative-effect adjustment, without adjusting the comparative periods presented.  The Company applied the package of practical expedients to leases that commenced before the effective date whereby the Company elected not to reassess the following: (1) whether any expired or existing contracts are or contain leases; (2) the lease classification for any expired or existing leases; and (3) whether initial direct costs exist for any existing leases.  The Company also applied the (1) practical expedient for land easements where the Company elected to not apply the leases standard to certain existing land easements at transition and (2) practical expedient to include both the lease and nonlease components as a single component and account for it as a lease.  The Company has completed its assessment of the provisions of the lease accounting guidance and implementation of its leasing software solution to manage and account for leases under the new standard. 

	As Reported December 31, 2018		Adoption of Lease Guidance Increase (Decrease)		Balance January 1, 2019
Operating lease right-of-use assets	$	-	$	206,501	$	206,501
Total assets	$	12,627,329	$	206,501	$	12,833,830
Current portion of operating lease liabilities	$	-	$	29,640	$	29,640
Total current liabilities	$	860,709	$	29,640	$	890,349
Long-term portion of operating lease liabilities	$	-	$	180,005	$	180,005
Deferred income taxes	$	760,033	$	(1,066)	$	758,967
Total liabilities	$	6,167,141	$	208,579	$	6,375,720
Retained earnings	$	2,264,510	$	(2,078)	$	2,262,432
Total liabilities and equity	$	12,627,329	$	206,501	$	12,833,830

The adoption of the new standard did not have a material impact on the Company’s consolidated statements of net income or consolidated statements of cash flows.  See Note 9 for additional information and disclosures related to the adoption of this amended guidance.

Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities.  In August 2017, the FASB issued guidance which improves the financial reporting of hedging relationships to better portray the economic results of an entity's risk management activities in its financial statements and make certain targeted improvements to simplify the application of the hedge accounting guidance in current GAAP. The amendments in this update are intended to better align an entity's risk management activities and financial reporting for hedging relationships through changes to both the designation and measurement guidance for qualifying hedging relationships and presentation of hedge results. The effective date for the standard is for fiscal years beginning after December 15, 2018.  The adoption of this guidance, effective January 1, 2019, did not have a material impact on the Company’s consolidated financial statements.

Derivatives and Hedging: Inclusion of the Secured Overnight Financing Rate (“SOFR”) Overnight Index Swap (“OIS”) Rate as a Benchmark Interest Rate for Hedge Accounting.  As LIBOR is expected to no longer be published by 2021, the FASB issued guidance in October 2018 which added the OIS rate based on SOFR as an eligible benchmark interest rate in order to facilitate the LIBOR to SOFR transition and provide sufficient lead time for entities to prepare for changes to interest rate risk hedging strategies for both risk management and hedge accounting purposes.  The Company adopted the new guidance effective January 1, 2019 on a prospective basis.  The Company is developing a plan to transition its interest rate swaps from LIBOR to SOFR.  The adoption of this guidance did not have a material impact on the Company’s consolidated financial statements.

SEC Simplified and Updated Disclosure Requirements.  In August 2018, the U.S. Securities and Exchange Commission (the “SEC”) amended its rules to require an analysis of changes in stockholders’ equity in the financial

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WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

statements included in Quarterly Reports on Form 10-Q.  The analysis, which can be presented as a note or separate statement, is required for the current and comparative quarter and year-to-date interim periods.  The amended rules became effective on November 15, 2018.  In addition, the SEC’s Division of Corporation Finance issued a Compliance and Disclosure Interpretation (the “CDI”) that provides transition guidance related to this new disclosure.  For calendar year-end companies, the CDI allows a filer the option to first present the changes in stockholders’ equity in its Form 10-Q for the quarter ending March 31, 2019.  The Company elected this option and has included the statement of shareholders’ equity within this Form 10-Q.

SEC modernizes and simplifies certain Regulation S-K disclosure requirements.  In March 2019, the SEC amended its rules to modernize and simplify certain disclosure requirements in Regulation S-K and the related rules and forms. These changes include, among other things, (1) allowing registrants to redact confidential information from most exhibits to their filings without filing a confidential treatment request; (2) revising the requirements for management’s discussion and analysis to allow flexibility, including allowing registrants providing three years of financial statements to omit discussion of the earliest year and cross-reference its discussion in a previous filing; (3) removing the example risk factors in Regulation S-K to encourage more meaningful company-specific disclosure; (4) clarifying the description of property requirements to emphasize that those disclosures should only include properties that are material to the registrant; and (5) requiring XBRL data tagging for items on the cover pages of certain filings, as well as the use of hyperlinks for information that is incorporated by reference and available on EDGAR.  The provisions regarding the redaction of confidential information in exhibits were effective upon publication in the Federal Register. The provisions requiring XBRL data tagging are subject to a three-year phase-in, depending on the filing status of the registrant, which, for the Company, were effective for the period ending June 30, 2019.  All other provisions were effective on May 2, 2019.

Accounting Standards Pending Adoption

Financial Instruments - Credit Losses: Measurement of Credit Losses on Financial Instruments.  In June 2016, the FASB issued guidance which introduces a new forward-looking approach, based on expected losses, to estimate credit losses on certain types of financial instruments, including trade receivables, which will require entities to incorporate considerations of historical information, current information and reasonable and supportable forecasts.  The standard will be effective for public business entities that are SEC filers for annual periods beginning after December 15, 2019 and interim periods within those years.  Early adoption is permitted.  The Company does not expect the adoption of this guidance to have a material impact on its consolidated financial statements.

4.RECLASSIFICATION

As disclosed within other footnotes of the financial statements, segment information reported in the Company’s prior year has been reclassified to conform with the 2019 presentation.

5.REVENUE

The Company’s operations primarily consist of providing non-hazardous waste collection, transfer, disposal and recycling services, non-hazardous exploration and production (“E&P”) waste treatment, recovery and disposal services

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WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

and intermodal services. The following table disaggregates the Company’s revenues by service line for the periods indicated:

		Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Commercial	$	408,415	$	369,543	$	1,186,565	$	1,080,261
Residential		355,574		300,026		1,024,105		881,927
Industrial and construction roll off		226,801		202,130		629,597		573,877
Total collection		990,790		871,699		2,840,267		2,536,065
Landfill		310,633		285,945		852,073		790,056
Transfer		209,585		187,961		575,337		495,317
Recycling		14,142		23,371		50,676		69,559
E&P		70,874		68,049		205,743		189,071
Intermodal and other		26,520		34,261		90,491		105,588
Intercompany		(210,100)		(190,176)		(587,868)		(524,447)
Total	$	1,412,444	$	1,281,110	$	4,026,719	$	3,661,209

The factors that impact the timing and amount of revenue recognized for each service line may vary based on the nature of the service performed. Generally, the Company recognizes revenue at the time it performs a service. In the event that the Company bills for services in advance of performance, it recognizes deferred revenue for the amount billed and subsequently recognizes revenue at the time the service is provided.  Substantially all of the deferred revenue recorded as of June 30, 2019 was recognized as revenue during the three months ended September 30, 2019 when the service was performed.

See Note 11 for additional information regarding revenue by reportable segment.

Contract Acquisition Costs

The incremental direct costs of obtaining a contract, which consist of sales incentives, are recognized as Other assets in the Company’s Condensed Consolidated Balance Sheet, and are amortized to Selling, general and administrative expense over the estimated life of the relevant customer relationship, which ranges from one to five years. The Company recognizes the incremental costs of obtaining a contract as an expense when incurred if the amortization period of the asset that the entity would have recognized is one year or less.  The Company had approximately $16,900 of deferred sales incentives at both September 30, 2019 and December 31, 2018.

6.LANDFILL ACCOUNTING

At September 30, 2019, the Company’s landfills consisted of 85 owned landfills, seven landfills operated under life-of-site operating agreements, four landfills operated under limited-term operating agreements and one development stage landfill. The Company’s landfills had site costs with a net book value of $2,961,560 at September 30, 2019. For the Company’s landfills operated under limited-term operating agreements and life-of-site operating agreements, the owner of the property (generally a municipality) usually owns the permit and the Company operates the landfill for a contracted term. Where the contracted term is not the life of the landfill, the property owner is generally responsible for final capping, closure and post-closure obligations. The Company is responsible for all final capping, closure and post-closure liabilities at the landfills it operates under life-of-site operating agreements.

The Company’s internal and third-party engineers perform surveys at least annually to estimate the remaining disposal capacity at its landfills. Many of the Company’s existing landfills have the potential for expanded disposal capacity beyond

10

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

the amount currently permitted. The Company’s landfill depletion rates are based on the remaining disposal capacity, considering both permitted and probable expansion airspace, at the landfills it owns and landfills it operates, but does not own, under life-of-site agreements. The Company’s landfill depletion rate is based on the term of the operating agreement at its operated landfill that has capitalized expenditures. Expansion airspace consists of additional disposal capacity being pursued through means of an expansion that has not yet been permitted. Expansion airspace that meets certain criteria is included in the estimate of total landfill airspace.

Based on remaining permitted capacity as of September 30, 2019, and projected annual disposal volumes, the average remaining landfill life for the Company’s owned landfills and landfills operated under life-of-site operating agreements is estimated to be approximately 27 years. As of September 30, 2019, the Company is seeking to expand permitted capacity at six of its owned landfills and three landfills that it operates under life-of-site operating agreements, and considers the achievement of these expansions to be probable. Although the Company cannot be certain that all future expansions will be permitted as designed, the average remaining life, when considering remaining permitted capacity, probable expansion capacity and projected annual disposal volume, of the Company’s owned landfills and landfills operated under life-of-site operating agreements is approximately 30 years, with lives ranging from approximately 1 to 177 years.

During the nine months ended September 30, 2019 and 2018, the Company expensed $169,064 and $153,010, respectively, or an average of $4.77 and $4.58 per ton consumed, respectively, related to landfill depletion at owned landfills and landfills operated under life-of-site agreements.

The Company reserves for estimated final capping, closure and post-closure maintenance obligations at the landfills it owns and landfills it operates under life-of-site operating agreements. The Company calculates the net present value of its final capping, closure and post-closure liabilities by estimating the total obligation in current dollars, inflating the obligation based upon the expected date of the expenditure and discounting the inflated total to its present value using a credit-adjusted risk-free rate. Any changes in expectations that result in an upward revision to the estimated undiscounted cash flows are treated as a new liability and are inflated and discounted at rates reflecting current market conditions. Any changes in expectations that result in a downward revision (or no revision) to the estimated undiscounted cash flows result in a liability that is inflated and discounted at rates reflecting the market conditions at the time the cash flows were originally estimated. This policy results in the Company’s final capping, closure and post-closure liabilities being recorded in “layers.”  The Company’s discount rate assumption for purposes of computing 2019 and 2018 “layers” for final capping, closure and post-closure obligations was 4.75% for both years, which reflects the Company’s long-term credit adjusted risk free rate as of the end of both 2018 and 2017. The Company’s inflation rate assumption is 2.5% for the years ending December 31, 2019 and 2018. The resulting final capping, closure and post-closure obligations are recorded on the condensed consolidated balance sheet along with an offsetting addition to site costs which is amortized to depletion expense as the remaining landfill airspace is consumed. Interest is accreted on the recorded liability using the corresponding discount rate. During the nine months ended September 30, 2019 and 2018, the Company expensed $10,656 and $9,583 respectively, or an average of $0.30 and $0.29 per ton consumed, respectively, related to final capping, closure and post-closure accretion expense.

11

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

The following is a reconciliation of the Company’s final capping, closure and post-closure liability balance from December 31, 2018 to September 30, 2019:

Final capping, closure and post-closure liability at December 31, 2018	$	251,782
Liabilities incurred		15,573
Accretion expense associated with landfill obligations		10,656
Closure payments		(1,203)
Assumption of closure liabilities from acquisitions		8,707
Foreign currency translation adjustment		1,146
Final capping, closure and post-closure liability at September 30, 2019	$	286,661

Liabilities incurred of $15,573 for the nine months ended September 30, 2019, represent non-cash increases to final capping, closure and post-closure liabilities and are recorded on the Condensed Consolidated Balance Sheets along with an offsetting addition to site costs, which is amortized to depletion expense as the remaining landfill airspace is consumed. The final capping, closure and post-closure liability is included in Other long-term liabilities in the Condensed Consolidated Balance Sheets.  The Company performs its annual review of its cost and capacity estimates in the first quarter of each year.

At September 30, 2019 and December 31, 2018, $11,538 and $12,325, respectively, of the Company’s restricted cash balance and $47,993 and $44,939, respectively, of the Company’s restricted investments balance was for purposes of securing its performance of future final capping, closure and post-closure obligations.

7.ACQUISITIONS

The Company acquired 13 individually immaterial non-hazardous solid waste collection, transfer and disposal businesses during the nine months ended September 30, 2019.  The total acquisition-related costs incurred during the nine months ended September 30, 2019 for these acquisitions was $8,057. These expenses are included in Selling, general and administrative expenses in the Company’s Condensed Consolidated Statements of Net Income.

The Company acquired 15 individually immaterial non-hazardous solid waste collection, recycling, transfer and disposal businesses during the nine months ended September 30, 2018. The purchase price for one of these acquisitions included contingent consideration of $11,593, representing the fair value of up to $12,582 of amounts payable to the former owners based on the achievement of certain operating targets specified in the asset purchase agreement. The fair value of the contingent consideration was determined using probability assessments of the expected future cash flows over the three-year period in which the obligation is expected to be settled, and applying a discount rate of 2.7%.  As of September 30, 2019, the obligation recognized at the purchase date has not materially changed.  Any changes in the fair value of the contingent consideration subsequent to the acquisition date will be charged or credited to expense until the contingency is settled.  The total acquisition-related costs incurred during the nine months ended September 30, 2018 for these acquisitions was $4,907. These expenses are included in Selling, general and administrative expenses in the Company’s Condensed Consolidated Statements of Net Income.

The results of operations of the acquired businesses have been included in the Company’s Condensed Consolidated Financial Statements from their respective acquisition dates. The Company expects these acquired businesses to contribute towards the achievement of the Company’s strategy to expand through acquisitions. Goodwill acquired is attributable to the synergies and ancillary growth opportunities expected to arise after the Company’s acquisition of these businesses.

12

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

The following table summarizes the consideration transferred to acquire these businesses and the preliminary amounts of identifiable assets acquired and liabilities assumed at the acquisition dates for the acquisitions consummated in the nine months ended September 30, 2019 and 2018:

	2019		2018
	Acquisitions		Acquisitions
Fair value of consideration transferred:
Cash	$	420,392	$	500,064
Debt assumed		50,574		65,010
		470,966		565,074
Recognized amounts of identifiable assets acquired and liabilities assumed associated with businesses acquired:
Accounts receivable		15,042		12,817
Prepaid expenses and other current assets		5,079		2,355
Property and equipment		210,105		346,275
Long-term franchise agreements and contracts		14,838		10,888
Customer lists		28,467		27,330
Permits and other intangibles		17,835		31,183
Other assets		7		19
Accounts payable and accrued liabilities		(11,310)		(3,982)
Deferred revenue		(9,128)		(4,169)
Contingent consideration		(1,003)		(11,669)
Other long-term liabilities		(8,707)		(15,532)
Deferred income taxes		(13,287)		(391)
Total identifiable net assets		247,938		395,124
Goodwill	$	223,028	$	169,950

Goodwill acquired during the nine months ended September 30, 2019 and 2018, totaling $81,903 and $169,559, respectively, is expected to be deductible for tax purposes.

The fair value of acquired working capital related to ten individually immaterial acquisitions completed during the twelve months ended September 30, 2019, is provisional pending receipt of information from the acquirees to support the fair value of the assets acquired and liabilities assumed. Any adjustments recorded relating to finalizing the working capital for these ten acquisitions are not expected to be material to the Company’s financial position.

The gross amount of trade receivables due under contracts acquired during the nine months ended September 30, 2019, is $16,469, of which $1,427 is expected to be uncollectible. The gross amount of trade receivables due under contracts acquired during the nine months ended September 30, 2018, is $14,015, of which $1,198 is expected to be uncollectible. The Company did not acquire any other class of receivable as a result of the acquisitions of these businesses.

13

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

8.INTANGIBLE ASSETS, NET

Intangible assets, exclusive of goodwill, consisted of the following at September 30, 2019:

	Gross				Accumulated		Net
	Carrying		Accumulated		Impairment		Carrying
	Amount		Amortization		Loss		Amount
Finite-lived intangible assets:
Long-term franchise agreements and contracts	$	487,001	$	(183,121)	$	—	$	303,880
Customer lists		561,642		(288,732)		—		272,910
Permits and other		358,314		(60,290)		—		298,024
		1,406,957		(532,143)		—		874,814
Indefinite-lived intangible assets:
Solid waste collection and transportation permits		158,591		—		—		158,591
Material recycling facility permits		42,283		—		—		42,283
E&P facility permits		59,855		—		(38,507)		21,348
		260,729		—		(38,507)		222,222
Intangible assets, exclusive of goodwill	$	1,667,686	$	(532,143)	$	(38,507)	$	1,097,036

The weighted-average amortization period of long-term franchise agreements and contracts acquired during the nine months ended September 30, 2019 was 19.2 years. The weighted-average amortization period of customer lists acquired during the nine months ended September 30, 2019 was 10.0 years. The weighted-average amortization period of finite-lived permits and other intangibles acquired during the nine months ended September 30, 2019 was 36.8 years.

Intangible assets, exclusive of goodwill, consisted of the following at December 31, 2018:

	Gross				Accumulated		Net
	Carrying		Accumulated		Impairment		Carrying
	Amount		Amortization		Loss		Amount
Finite-lived intangible assets:
Long-term franchise agreements and contracts	$	476,833	$	(157,986)	$	—	$	318,847
Customer lists		530,614		(232,461)		—		298,153
Permits and other		338,601		(49,195)		—		289,406
		1,346,048		(439,642)		—		906,406
Indefinite-lived intangible assets:
Solid waste collection and transportation permits		158,591		—		—		158,591
Material recycling facility permits		42,283		—		—		42,283
E&P facility permits		59,855		—		(38,507)		21,348
		260,729		—		(38,507)		222,222
Intangible assets, exclusive of goodwill	$	1,606,777	$	(439,642)	$	(38,507)	$	1,128,628

Estimated future amortization expense for the next five years relating to finite-lived intangible assets is as follows:

For the year ending December 31, 2019	$	125,699
For the year ending December 31, 2020	$	113,177
For the year ending December 31, 2021	$	98,310
For the year ending December 31, 2022	$	84,543
For the year ending December 31, 2023	$	71,283

14

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

9.LEASES

The Company rents certain equipment and facilities under both short-term agreements and non-cancelable operating lease agreements.  The Company determines if an arrangement is or contains a lease at contract inception. The Company recognizes a right-of-use (“ROU”) asset and a lease liability at the lease commencement date.  The lease liability is initially measured at the present value of the unpaid lease payments at the lease commencement date.

Key estimates and judgments include how the Company determines (1) the discount rate it uses to discount the unpaid lease payments to present value, (2) lease term and (3) lease payments.

The lease guidance requires a lessee to discount its unpaid lease payments using the interest rate implicit in the lease or, if that rate cannot be readily determined, its incremental borrowing rate. Generally, the Company cannot determine the interest rate implicit in the lease because it does not have access to the lessor’s estimated residual value or the amount of the lessor’s deferred initial direct costs.  Therefore, the Company generally uses its incremental borrowing rate as the discount rate for the lease. The Company’s incremental borrowing rate for a lease is the rate of interest it would have to pay on a collateralized basis to borrow an amount equal to the lease payments under similar terms.

The lease term for the Company’s leases includes the noncancelable period of the lease, plus any additional periods covered by either a Company option to extend (or not to terminate) the lease that the Company is reasonably certain to exercise, or an option to extend (or not to terminate) the lease controlled by the lessor.

Lease payments included in the measurement of the lease liability comprise fixed payments or variable lease payments.  The variable lease payments take into account annual changes in the consumer price index and common area maintenance charges, if known.

ROU assets for operating leases are periodically reviewed for impairment losses. The Company uses the long-lived assets impairment guidance in ASC Subtopic 360-10, Property, Plant, and Equipment – Overall, to determine whether an ROU asset is impaired, and if so, the amount of the impairment loss to recognize.

The Company monitors for events or changes in circumstances that require a reassessment of one of its leases. When a reassessment results in the remeasurement of a lease liability, a corresponding adjustment is made to the carrying amount of the corresponding ROU asset.

The Company has elected not to recognize ROU assets and lease liabilities for short-term leases that have a lease term of 12 months or less. The Company has elected to apply the short-term lease recognition and measurement exemption allowed for in the lease accounting standard.  The Company recognizes the lease payments associated with its short-term leases as an expense on a straight-line basis over the lease term.

Lease cost for operating leases for the three and nine months ended September 30, 2019 was as follows:

	Three Months Ended		Nine Months Ended
	September 30, 2019		September 30, 2019
Operating lease cost	$	9,696	$	28,886

15

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

Supplemental cash flow information and non-cash activity related to the Company’s operating leases are as follows:

	Nine Months Ended
	September 30, 2019
Operating cash flow information:
Cash paid for amounts included in the measurement of lease liabilities	$	28,374
Non-cash activity:
Right-of-use assets obtained in exchange for lease liabilities	$	7,363

Weighted-average remaining lease term and discount rate for the Company’s operating leases are as follows:

	Nine Months Ended
	September 30, 2019
Weighted average remaining lease term	8.9	years
Weighted average discount rate	3.99	%

As of September 30, 2019, future minimum lease payments, as calculated under the new lease guidance and reconciled to the operating lease liability, are as follows:

Last 3 months of 2019	$	9,662
2020		36,429
2021		33,160
2022		31,906
2023		28,701
Thereafter		96,292
Minimum lease payments		236,150
Less: imputed interest		(39,641)
Present value of minimum lease payments		196,509
Less: current portion of operating lease liabilities		(30,162)
Long-term portion of operating lease liabilities	$	166,347

As of December 31, 2018, minimum lease payments under non-cancelable operating leases by period were expected to be as follows:

2019	$	37,902
2020		35,204
2021		32,259
2022		30,974
2023		27,882
Thereafter		94,205
	$	258,426

A summary of rent expense for both short-term agreements and non-cancelable operating lease agreements for the years ended December 31, 2018 and 2017 was as follows:

	2018		2017
Rent expense	$	42,646	$	43,383

16

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

10.LONG-TERM DEBT

The following table presents the Company’s long-term debt as of September 30, 2019 and December 31, 2018:

	September 30,		December 31,
	2019		2018
Revolver under Credit Agreement, bearing interest ranging from 3.05% to 3.14% (a)	$	427,806	$	481,610
Term loan under Credit Agreement, bearing interest at 3.14% (a)		700,000		1,237,500
5.25% Senior Notes due 2019 (b)		175,000		175,000
4.64% Senior Notes due 2021		100,000		100,000
2.39% Senior Notes due 2021		150,000		150,000
3.09% Senior Notes due 2022		125,000		125,000
2.75% Senior Notes due 2023		200,000		200,000
3.24% Senior Notes due 2024		150,000		150,000
3.41% Senior Notes due 2025		375,000		375,000
3.03% Senior Notes due 2026		400,000		400,000
3.49% Senior Notes due 2027		250,000		250,000
4.25% Senior Notes due 2028		500,000		500,000
3.50% Senior Notes due 2029		500,000		—
Tax-exempt bonds		—		15,930
Notes payable to sellers and other third parties, bearing interest ranging from 2.75% to 10.90%, principal and interest payments due periodically with due dates ranging from 2019 to 2036 (a)		9,705		14,653
		4,062,511		4,174,693
Less – current portion		(502)		(1,786)
Less – debt issuance costs		(22,604)		(19,442)
	$	4,039,405	$	4,153,465

____________________

(a) Interest rates represent the interest rates incurred at September 30, 2019.

(b) The Company has recorded the 2019 Senior Notes in long-term in the table above as the Company has the intent and ability to redeem the 2019 Senior Notes on November 1, 2019 using borrowings under the Credit Agreement.

2029 Senior Notes

On April 16, 2019, the Company completed an underwritten public offering of $500,000 aggregate principal amount of 3.50% Senior Notes due 2029 (the “2029 Senior Notes”).  The 2029 Senior Notes were issued under the Indenture, dated as of November 16, 2018 (the “Base Indenture”), by and between the Company and U.S. Bank National Association, as trustee (the “Trustee”), as supplemented by the Second Supplemental Indenture, dated as of April 16, 2019 (the Base Indenture as so supplemented, the “Indenture”).  

The Company will pay interest on the 2029 Senior Notes semi-annually, commencing on November 1, 2019, and the 2029 Senior Notes will mature on May 1, 2029. The 2029 Senior Notes are senior unsecured obligations, ranking equally in right of payment with the Company’s other existing and future unsubordinated debt and senior to any of the Company’s future subordinated debt. The 2029 Senior Notes are not guaranteed by any of the Company’s subsidiaries.

The Company may redeem some or all of the 2029 Senior Notes at its option prior to February 1, 2029 (three months before the maturity date) at any time and from time to time at a redemption price equal to the greater of 100% of the principal amount of the 2029 Senior Notes redeemed, or the sum of the present values of the remaining scheduled payments of principal and interest on the 2029 Senior Notes redeemed, plus accrued and unpaid interest to, but excluding, the

17

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

redemption date. Commencing on February 1, 2029 (three months before the maturity date), the Company may redeem some or all of the 2029 Senior Notes, at any time and from time to time, at a redemption price equal to the principal amount of the 2029 Senior Notes being redeemed plus accrued and unpaid interest to, but excluding, the redemption date.

Under certain circumstances, the Company may become obligated to pay additional amounts (the “Additional Amounts”) with respect to the 2029 Senior Notes to ensure that the net amounts received by each holder of the 2029 Senior Notes will not be less than the amount such holder would have received if withholding taxes or deductions were not incurred on a payment under or with respect to the 2029 Senior Notes. If such payment of Additional Amounts is a result of a change in the laws or regulations, including a change in any official position, the introduction of an official position or a holding by a court of competent jurisdiction, of any jurisdiction from or through which payment is made by or on behalf of the 2029 Senior Notes having power to tax, and the Company cannot avoid such payments of Additional Amounts through reasonable measures, then the Company may redeem the 2029 Senior Notes then outstanding at a redemption price equal to 100% of the principal amount thereof, plus accrued and unpaid interest, if any, to, but excluding, the redemption date (subject to the right of holders of record on the relevant record date to receive interest due on an interest payment date that is on or prior to the redemption date).

If the Company experiences certain kinds of changes of control, each holder of the 2029 Senior Notes may require the Company to repurchase all or a portion of the 2029 Senior Notes for cash at a price equal to 101% of the aggregate principal amount of such 2029 Senior Notes, plus any accrued but unpaid interest to, but excluding, the date of repurchase.

The covenants in the Indenture include limitations on liens, sale-leaseback transactions and mergers and sales of all or substantially all of the Company’s assets. The Indenture also includes customary events of default with respect to the 2029 Senior Notes. As of September 30, 2019, the Company was in compliance with all applicable covenants in the Indenture.

Upon an event of default, the principal of and accrued and unpaid interest on all the 2029 Senior Notes may be declared to be due and payable by the Trustee or the holders of not less than 25% in principal amount of the outstanding 2029 Senior Notes. Upon such a declaration, such principal and accrued interest on all of the 2029 Senior Notes will be due and payable immediately. In the case of an event of default resulting from certain events of bankruptcy, insolvency or reorganization, the principal (or such specified amount) of and accrued and unpaid interest, if any, on all outstanding 2029 Senior Notes will become and be immediately due and payable without any declaration or other act on the part of the Trustee or any holder of the 2029 Senior Notes.

18

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

Credit Agreement

Details of the Credit Agreement are as follows:

	September 30,			December 31,
	2019			2018
Revolver under Credit Agreement
Available	$	1,012,786		$	955,779
Letters of credit outstanding	$	121,908		$	125,111
Total amount drawn, as follows:	$	427,806		$	481,610
Amount drawn - U.S. LIBOR rate loan	$	382,500		$	357,000
Interest rate applicable - U.S. LIBOR rate loan		3.14	%		3.62	%
Amount drawn – Canadian bankers’ acceptance	$	45,306		$	124,610
Interest rate applicable – Canadian bankers’ acceptance		3.05	%		3.40	%
Commitment – rate applicable		0.12	%		0.12	%
Term loan under Credit Agreement
Amount drawn – U.S. based LIBOR loan	$	700,000		$	1,237,500
Interest rate applicable – U.S. based LIBOR loan		3.14	%		3.62	%

Tax Exempt Bonds

In January 2019, the Company gave notice to redeem its LeMay Washington Bond with a remaining principal balance of $15,930. The Company paid in full the principal and accrued interest on this bond on March 6, 2019.

11.SEGMENT REPORTING

The Company’s revenues are generated from the collection, transfer, recycling and disposal of non-hazardous solid waste and the treatment, recovery and disposal of non-hazardous E&P waste. No single contract or customer accounted for more than 10% of the Company’s total revenues at the consolidated or reportable segment level during the periods presented.

The Company manages its operations through five geographic operating segments and its E&P segment, which includes the majority of the Company’s E&P waste treatment and disposal operations. The Company’s five geographic operating segments and its E&P segment comprise the Company’s reportable segments. Each operating segment is responsible for managing several vertically integrated operations, which are comprised of districts.  In the first quarter of 2019, the Company moved two districts from the Eastern segment to the Central segment because their locations in Iowa were closer in proximity to operations in the Company’s Central segment.  The segment information presented herein reflects the realignment of these districts.

Under the current orientation, the Company’s Eastern segment services customers located in northern Illinois, Kentucky, Maryland, Massachusetts, New Jersey, New York, North Carolina, Pennsylvania, Rhode Island, South Carolina, eastern Tennessee, Vermont, Virginia and Wisconsin; the Company’s Southern segment services customers located in Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, southern Oklahoma, western Tennessee and Texas; the Company’s Western segment services customers located in Alaska, California, Idaho, Montana, Nevada, Oregon, Washington and western Wyoming; the Company’s Central segment services customers located in Arizona, Colorado, southern Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, New Mexico, Oklahoma, South Dakota, western Texas, Utah and eastern Wyoming; and the Company’s Canada segment services customers located in the state of Michigan and in the provinces of Alberta, British Columbia, Manitoba, Ontario, Québec and Saskatchewan. The E&P segment services

19

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

E&P customers located in Arkansas, Louisiana, New Mexico, North Dakota, Oklahoma, Texas, Wyoming and along the Gulf of Mexico.

The Company’s Chief Operating Decision Maker evaluates operating segment profitability and determines resource allocations based on several factors, of which the primary financial measure is segment EBITDA. The Company defines segment EBITDA as earnings before interest, taxes, depreciation, amortization, impairments and other operating items, and other income (expense). Segment EBITDA is not a measure of operating income, operating performance or liquidity under GAAP and may not be comparable to similarly titled measures reported by other companies. The Company’s management uses segment EBITDA in the evaluation of segment operating performance as it is a profit measure that is generally within the control of the operating segments. A reconciliation of segment EBITDA to Income before income tax provision is included at the end of this Note 11.

Summarized financial information concerning the Company’s reportable segments for the three and nine months ended September 30, 2019 and 2018, is shown in the following tables:

Three Months Ended			Intercompany		Reported		Segment
September 30, 2019	Revenue		Revenue(b)		Revenue		EBITDA(c)
Eastern	$	399,936	$	(69,049)	$	330,887	$	88,101
Southern		347,630		(42,442)		305,188		77,406
Western		324,859		(35,651)		289,208		90,059
Central		262,737		(32,663)		230,074		81,746
Canada		217,879		(27,059)		190,820		66,794
E&P		69,503		(3,236)		66,267		35,803
Corporate(a)		—		—		—		(446)
	$	1,622,544	$	(210,100)	$	1,412,444	$	439,463

Three Months Ended			Intercompany		Reported		Segment
September 30, 2018	Revenue		Revenue(b)		Revenue		EBITDA(c)
Eastern	$	349,212	$	(64,347)	$	284,865	$	82,733
Southern		321,306		(38,266)		283,040		70,159
Western		303,614		(32,596)		271,018		86,174
Central		218,124		(28,221)		189,903		71,276
Canada		211,682		(24,628)		187,054		68,819
E&P		67,348		(2,118)		65,230		35,099
Corporate(a)		—		—		—		(8,286)
	$	1,471,286	$	(190,176)	$	1,281,110	$	405,974

Nine Months Ended			Intercompany		Reported		Segment
September 30, 2019	Revenue		Revenue(b)		Revenue		EBITDA(c)
Eastern	$	1,137,258	$	(189,924)	$	947,334	$	250,106
Southern		1,011,572		(121,040)		890,532		226,294
Western		922,737		(101,552)		821,185		253,504
Central		715,997		(89,685)		626,312		219,280
Canada		624,470		(76,776)		547,694		193,702
E&P		202,553		(8,891)		193,662		100,845
Corporate(a)		—		—		—		(11,751)
	$	4,614,587	$	(587,868)	$	4,026,719	$	1,231,980

20

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

Nine Months Ended			Intercompany		Reported		Segment
September 30, 2018	Revenue		Revenue(b)		Revenue		EBITDA(c)
Eastern	$	953,165	$	(164,253)	$	788,912	$	222,772
Southern		951,313		(111,824)		839,489		207,853
Western		874,464		(94,584)		779,880		240,006
Central		604,823		(77,337)		527,486		195,018
Canada		615,157		(71,290)		543,867		195,390
E&P		186,734		(5,159)		181,575		95,009
Corporate(a)		—		—		—		(14,368)
	$	4,185,656	$	(524,447)	$	3,661,209	$	1,141,680

____________________

(a) Corporate functions include accounting, legal, tax, treasury, information technology, risk management, human resources, training and other administrative functions. Amounts reflected are net of allocations to the six operating segments.

(b) Intercompany revenues reflect each segment’s total intercompany sales, including intercompany sales within a segment and between segments. Transactions within and between segments are generally made on a basis intended to reflect the market value of the service.

(c) For those items included in the determination of segment EBITDA, the accounting policies of the segments are the same as those described in the Company’s most recent Annual Report on Form 10-K.

Total assets for each of the Company’s reportable segments at September 30, 2019 and December 31, 2018, were as follows:

	September 30,		December 31,
	2019		2018
Eastern	$	2,737,208	$	2,673,316
Southern		2,994,260		2,892,994
Western		1,697,050		1,596,129
Central		1,884,207		1,506,326
Canada		2,454,152		2,412,971
E&P		962,761		969,808
Corporate		540,597		575,785
Total Assets	$	13,270,235	$	12,627,329

The following tables show changes in goodwill during the nine months ended September 30, 2019 and 2018, by reportable segment:

	Eastern		Southern		Western		Central		Canada		E&P		Total
Balance as of December 31, 2018	$	1,143,355	$	1,517,610	$	398,174	$	523,566	$	1,448,980	$	—	$	5,031,685
Goodwill transferred		(16,869)		—		—		16,869		—		—		—
Goodwill acquired		22,146		10,329		1,334		189,194		25		—		223,028
Goodwill divested		—		(845)		—		—		—		—		(845)
Impact of changes in foreign currency		—		—		—		—		43,688		—		43,688
Balance as of September 30, 2019	$	1,148,632	$	1,527,094	$	399,508	$	729,629	$	1,492,693	$	—	$	5,297,556

	Eastern		Southern		Western		Central		Canada		E&P		Total
Balance as of December 31, 2017	$	804,133	$	1,436,320	$	397,508	$	468,275	$	1,575,538	$	—	$	4,681,774
Goodwill transferred		(16,869)		—		—		16,869		—		—		—
Goodwill acquired		122,136		4,800		666		42,197		151		—		169,950
Goodwill adjustment for assets held for sale		—		10,194		—		—		—		—		10,194
Impact of changes in foreign currency		—		—		—		—		(48,622)		—		(48,622)
Balance as of September 30, 2018	$	909,400	$	1,451,314	$	398,174	$	527,341	$	1,527,067	$	—	$	4,813,296

21

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

A reconciliation of the Company’s primary measure of segment profitability (segment EBITDA) to Income before income tax provision in the Condensed Consolidated Statements of Net Income is as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Eastern segment EBITDA	$	88,101	$	82,733	$	250,106	$	222,772
Southern segment EBITDA		77,406		70,159		226,294		207,853
Western segment EBITDA		90,059		86,174		253,504		240,006
Central segment EBITDA		81,746		71,276		219,280		195,018
Canada segment EBITDA		66,794		68,819		193,702		195,390
E&P segment EBITDA		35,803		35,099		100,845		95,009
Subtotal reportable segments		439,909		414,260		1,243,731		1,156,048
Unallocated corporate overhead		(446)		(8,286)		(11,751)		(14,368)
Depreciation		(157,994)		(148,232)		(461,616)		(423,866)
Amortization of intangibles		(31,934)		(26,871)		(93,821)		(79,444)
Impairments and other operating items		(12,935)		1,998		(32,949)		(6,106)
Interest expense		(36,780)		(32,078)		(111,313)		(96,874)
Interest income		2,056		1,467		7,186		3,677
Other income (expense), net		(19)		600		4,562		2,053
Income before income tax provision	$	201,857	$	202,858	$	544,029	$	541,120

12.DERIVATIVE FINANCIAL INSTRUMENTS

The Company recognizes all derivatives on the Condensed Consolidated Balance Sheets at fair value. All of the Company’s derivatives have been designated as cash flow hedges; therefore, the gain or loss on the derivatives will be recognized in accumulated other comprehensive income (loss) (“AOCIL”) and reclassified into earnings in the same period during which the hedged transaction affects earnings and is presented in the same income statement line item as the earnings effect of the hedged item.  The Company classifies cash inflows and outflows from derivatives within operating activities on the Condensed Consolidated Statements of Cash Flows.

One of the Company’s objectives for utilizing derivative instruments is to reduce its exposure to fluctuations in cash flows due to changes in the variable interest rates of certain borrowings under the Credit Agreement. The Company’s strategy to achieve that objective involves entering into interest rate swaps. The interest rate swaps outstanding at September 30, 2019 were specifically designated to the Credit Agreement and accounted for as cash flow hedges.

22

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

At September 30, 2019, the Company’s derivative instruments included 16 interest rate swap agreements as follows:

			Fixed		Variable
	Notional		Interest		Interest Rate
Date Entered	Amount		Rate Paid*		Received	Effective Date	Expiration Date
May 2014	$	50,000	2.344	%	1-month LIBOR	October 2015	October 2020
May 2014	$	25,000	2.326	%	1-month LIBOR	October 2015	October 2020
May 2014	$	50,000	2.350	%	1-month LIBOR	October 2015	October 2020
May 2014	$	50,000	2.350	%	1-month LIBOR	October 2015	October 2020
April 2016	$	100,000	1.000	%	1-month LIBOR	February 2017	February 2020
June 2016	$	75,000	0.850	%	1-month LIBOR	February 2017	February 2020
June 2016	$	150,000	0.950	%	1-month LIBOR	January 2018	January 2021
June 2016	$	150,000	0.950	%	1-month LIBOR	January 2018	January 2021
July 2016	$	50,000	0.900	%	1-month LIBOR	January 2018	January 2021
July 2016	$	50,000	0.890	%	1-month LIBOR	January 2018	January 2021
August 2017	$	100,000	1.900	%	1-month LIBOR	July 2019	July 2022
August 2017	$	200,000	2.200	%	1-month LIBOR	October 2020	October 2025
August 2017	$	150,000	1.950	%	1-month LIBOR	February 2020	February 2023
June 2018	$	200,000	2.925	%	1-month LIBOR	October 2020	October 2025
June 2018	$	200,000	2.925	%	1-month LIBOR	October 2020	October 2025
December 2018	$	200,000	2.850	%	1-month LIBOR	July 2022	July 2027

____________________

* Plus applicable margin.

Another of the Company’s objectives for utilizing derivative instruments is to reduce its exposure to fluctuations in cash flows due to changes in the price of diesel fuel. The Company’s strategy to achieve that objective involves periodically entering into fuel hedges that are specifically designated to certain forecasted diesel fuel purchases and accounted for as cash flow hedges.  The Company had one fuel hedge agreement in place at September 30, 2018, which expired at December 31, 2018.  At September 30, 2019, the Company had no fuel hedge agreements in place.

The fair values of derivative instruments designated as cash flow hedges as of September 30, 2019, were as follows:

Derivatives Designated as Cash	Asset Derivatives			Liability Derivatives
Flow Hedges	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Interest rate swaps	Prepaid expenses and other current assets(a)	$	2,954	Accrued liabilities(a)	$	(2,148)
	Other assets, net		842	Other long-term liabilities		(53,288)
Total derivatives designated as cash flow hedges		$	3,796		$	(55,436)

____________________

(a)Represents the estimated amount of the existing unrealized gains and losses, respectively, on interest rate swaps as of September 30, 2019 (based on the interest rate yield curve at that date), included in AOCIL expected to be reclassified into pre-tax earnings within the next 12 months. The actual amounts reclassified into earnings are dependent on future movements in interest rates.

The fair values of derivative instruments designated as cash flow hedges as of December 31, 2018, were as follows:

Derivatives Designated as Cash	Derivative Assets			Derivative Liabilities
Flow Hedges	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Interest rate swaps	Prepaid expenses and other current assets(a)	$	10,737	Other long-term liabilities	$	(9,314)
	Other assets, net		10,675
Total derivatives designated as cash flow hedges		$	21,412		$	(9,314)

23

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

The following table summarizes the impact of the Company’s cash flow hedges on the results of operations, comprehensive income (loss) and AOCIL for the three and nine months ended September 30, 2019 and 2018:

Derivatives					Statement of	Amount of (Gain) or Loss Reclassified
Designated as Cash	Amount of Gain or (Loss) Recognized				Net Income	from AOCIL into Earnings,
Flow Hedges	as AOCIL on Derivatives, Net of Tax (a)				Classification	Net of Tax (b), (c)
	Three Months Ended					Three Months Ended
	September 30,					September 30,
	2019		2018			2019		2018
Interest rate swaps	$	(11,379)	$	634	Interest expense	$	(1,451)	$	3,145
Fuel hedges		—		222	Cost of operations		—		(1,359)
Total	$	(11,379)	$	856		$	(1,451)	$	1,786

Derivatives					Statement of	Amount of (Gain) or Loss Reclassified
Designated as Cash	Amount of Gain or (Loss) Recognized				Net Income	from AOCIL into Earnings,
Flow Hedges	as AOCIL on Derivatives, Net of Tax (a)				Classification	Net of Tax (b), (c)
	Nine Months Ended					Nine Months Ended
	September 30,					September 30,
	2019		2018			2019		2018
Interest rate swaps	$	(41,761)	$	11,634	Interest expense	$	(5,085)	$	1,769
Fuel hedges		—		2,226	Cost of operations		—		(3,490)
Total	$	(41,761)	$	13,860		$	(5,085)	$	(1,721)

____________________

(a)In accordance with the derivatives and hedging guidance, the changes in fair values of interest rate swaps and fuel hedges have been recorded in equity as a component of AOCIL. As the critical terms of the interest rate swaps match the underlying debt being hedged, all unrealized changes in fair value are recorded in AOCIL. Because changes in the actual price of diesel fuel and changes in the DOE index price did not offset exactly each reporting period, the Company assessed whether the fuel hedges were highly effective using the cumulative dollar offset approach.

(b)Amounts reclassified from AOCIL into earnings related to realized gains and losses on interest rate swaps are recognized when interest payments or receipts occur related to the swap contracts, which correspond to when interest payments are made on the Company’s hedged debt.

(c)Amounts reclassified from AOCIL into earnings related to realized gains and losses on the fuel hedges are recognized when settlement payments or receipts occur related to the hedge contracts, which correspond to when the underlying fuel is consumed.

See Note 16 for further discussion on the impact of the Company’s hedge accounting to its consolidated comprehensive income (loss) and AOCIL.

13.FAIR VALUE OF FINANCIAL INSTRUMENTS

The Company’s financial instruments consist primarily of cash and equivalents, trade receivables, restricted cash and investments, trade payables, debt instruments, contingent consideration obligations, interest rate swaps and fuel hedges. As of September 30, 2019 and December 31, 2018, the carrying values of cash and equivalents, trade receivables, restricted cash and investments, trade payables and contingent consideration are considered to be representative of their respective fair values. The carrying values of the Company’s debt instruments, excluding certain notes as listed in the table below, approximate their fair values as of September 30, 2019 and December 31, 2018, based on current borrowing rates, current remaining average life to maturity and borrower credit quality for similar types of borrowing arrangements, and are classified as Level 2 within the fair value hierarchy. The carrying values and fair values of the Company’s debt instruments

24

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

where the carrying values do not approximate their fair values as of September 30, 2019 and December 31, 2018, are as follows:

	Carrying Value at				Fair Value* at
	September 30,		December 31,		September 30,		December 31,
	2019		2018		2019		2018
5.25% Senior Notes due 2019	$	175,000	$	175,000	$	175,361	$	177,870
4.64% Senior Notes due 2021	$	100,000	$	100,000	$	102,783	$	101,292
2.39% Senior Notes due 2021	$	150,000	$	150,000	$	149,210	$	144,305
3.09% Senior Notes due 2022	$	125,000	$	125,000	$	126,640	$	120,682
2.75% Senior Notes due 2023	$	200,000	$	200,000	$	200,664	$	188,363
3.24% Senior Notes due 2024	$	150,000	$	150,000	$	153,789	$	142,877
3.41% Senior Notes due 2025	$	375,000	$	375,000	$	389,912	$	355,541
3.03% Senior Notes due 2026	$	400,000	$	400,000	$	407,943	$	367,143
3.49% Senior Notes due 2027	$	250,000	$	250,000	$	261,260	$	234,243
4.25% Senior Notes due 2028	$	500,000	$	500,000	$	567,850	$	506,100
3.50% Senior Notes due 2029	$	500,000	$	—	$	537,550	$	—

____________________

*Senior Notes are classified as Level 2 within the fair value hierarchy. Fair value is based on quotes of bonds with similar ratings in similar industries.

For details on the fair value of the Company’s interest rate swaps, fuel hedges, restricted cash and investments and contingent consideration, refer to Note 15.

14.NET INCOME PER SHARE INFORMATION

The following table sets forth the calculation of the numerator and denominator used in the computation of basic and diluted net income per common share attributable to the Company’s shareholders for the three and nine months ended September 30, 2019 and 2018:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Numerator:
Net income attributable to Waste Connections for basic and diluted earnings per share	$	159,109	$	150,843	$	433,579	$	414,393
Denominator:
Basic shares outstanding		263,853,681		263,628,838		263,768,258		263,657,274
Dilutive effect of equity-based awards		733,775		765,919		705,087		719,046
Diluted shares outstanding		264,587,456		264,394,757		264,473,345		264,376,320

15.FAIR VALUE MEASUREMENTS

The Company uses a three-tier fair value hierarchy to classify and disclose all assets and liabilities measured at fair value on a recurring basis in periods subsequent to their initial measurement. These tiers include:  Level 1, defined as quoted market prices in active markets for identical assets or liabilities; Level 2, defined as inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, model-based valuation techniques for which all significant assumptions are observable in the market,

25

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and Level 3, defined as unobservable inputs that are not corroborated by market data.

The Company’s financial assets and liabilities recorded at fair value on a recurring basis include derivative instruments and restricted cash and investments. At September 30, 2018, the Company’s derivative instruments included pay-fixed, receive-variable interest rate swaps and pay-fixed, receive-variable diesel fuel hedges. At September 30, 2019 and December 31, 2018, the Company’s derivative instruments included pay-fixed, receive-variable interest rate swaps. The Company’s interest rate swaps are recorded at their estimated fair values based on quotes received from financial institutions that trade these contracts. The Company verifies the reasonableness of these quotes using similar quotes from another financial institution as of each date for which financial statements are prepared. The Company uses a discounted cash flow (“DCF”) model to determine the estimated fair value of the diesel fuel hedges. The assumptions used in preparing the DCF model include:  (i) estimates for the forward DOE index curve; and (ii) the discount rate based on risk-free interest rates over the term of the hedge contracts. The DOE index curve used in the DCF model was obtained from financial institutions that trade these contracts. Significant increases (decreases) in the forward DOE index curve would result in a significantly higher (lower) fair value measurement. For the Company’s interest rate swaps and fuel hedges, the Company also considers the Company’s creditworthiness in its determination of the fair value measurement of these instruments in a net liability position and the counterparties’ creditworthiness in its determination of the fair value measurement of these instruments in a net asset position. The Company’s restricted cash and investments are valued at quoted market prices in active markets for similar assets, which the Company receives from the financial institutions that hold such investments on its behalf. The Company’s restricted cash and investments measured at fair value are invested primarily in money market accounts, bank time deposits, U.S. government and agency securities and Canadian bankers’ acceptance notes.

The Company’s assets and liabilities measured at fair value on a recurring basis at September 30, 2019 and December 31, 2018, were as follows:

	Fair Value Measurement at September 30, 2019 Using
			Quoted Prices in		Significant
			Active Markets		Other		Significant
			for Identical		Observable		Unobservable
			Assets		Inputs		Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Interest rate swap derivative instruments – net liability position	$	(51,640)	$	—	$	(51,640)	$	—
Restricted cash and investments	$	142,291	$	—	$	142,291	$	—
Contingent consideration	$	(56,954)	$	—	$	—	$	(56,954)

	Fair Value Measurement at December 31, 2018 Using
			Quoted Prices in		Significant
			Active Markets		Other		Significant
			for Identical		Observable		Unobservable
			Assets		Inputs		Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Interest rate swap derivative instruments – net asset position	$	12,098	$	—	$	12,098	$	—
Restricted cash and investments	$	131,422	$	—	$	131,422	$	—
Contingent consideration	$	(54,615)	$	—	$	—	$	(54,615)

26

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

The following table summarizes the changes in the fair value for Level 3 derivatives for the nine months ended September 30, 2019 and 2018:

	Nine Months Ended September 30,
	2019		2018
Beginning balance	$	—	$	3,880
Realized gains included in earnings		—		(2,837)
Unrealized gains included in AOCIL		—		2,661
Ending balance	$	—	$	3,704

The following table summarizes the changes in the fair value for Level 3 liabilities related to contingent consideration for the nine months ended September 30, 2019 and 2018:

	Nine Months Ended September 30,
	2019		2018
Beginning balance	$	54,615	$	47,285
Contingent consideration recorded at acquisition date		1,003		11,669
Payment of contingent consideration recorded at acquisition date		(1,621)		(5,459)
Payment of contingent consideration recorded in earnings		—		(11)
Adjustments to contingent consideration		1,466		349
Interest accretion expense		1,383		1,308
Foreign currency translation adjustment		108		(117)
Ending balance	$	56,954	$	55,024

16.OTHER COMPREHENSIVE INCOME (LOSS)

Other comprehensive income (loss) includes changes in the fair value of interest rate swaps and fuel hedges that qualify for hedge accounting. The components of other comprehensive income (loss) and related tax effects for the three and nine months ended September 30, 2019 and 2018 are as follows:

	Three Months Ended September 30, 2019
	Gross		Tax Effect		Net of Tax
Interest rate swap amounts reclassified into interest expense	$	(1,974)	$	523	$	(1,451)
Changes in fair value of interest rate swaps		(15,482)		4,103		(11,379)
Foreign currency translation adjustment		(24,911)		—		(24,911)
	$	(42,367)	$	4,626	$	(37,741)

	Three Months Ended September 30, 2018
	Gross		Tax Effect		Net of Tax
Interest rate swap amounts reclassified into interest expense	$	4,279	$	(1,134)	$	3,145
Fuel hedge amounts reclassified into cost of operations		(1,810)		451		(1,359)
Changes in fair value of interest rate swaps		863		(229)		634
Changes in fair value of fuel hedges		295		(73)		222
Foreign currency translation adjustment		35,455		—		35,455
	$	39,082	$	(985)	$	38,097

27

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

	Nine Months Ended September 30, 2019
	Gross		Tax Effect		Net of Tax
Interest rate swap amounts reclassified into interest expense	$	(6,918)	$	1,833	$	(5,085)
Changes in fair value of interest rate swaps		(56,818)		15,057		(41,761)
Foreign currency translation adjustment		60,404		—		60,404
	$	(3,332)	$	16,890	$	13,558

	Nine Months Ended September 30, 2018
	Gross		Tax Effect		Net of Tax
Interest rate swap amounts reclassified into interest expense	$	2,407	$	(638)	$	1,769
Fuel hedge amounts reclassified into cost of operations		(4,647)		1,157		(3,490)
Changes in fair value of interest rate swaps		15,828		(4,194)		11,634
Changes in fair value of fuel hedges		2,956		(730)		2,226
Foreign currency translation adjustment		(67,349)		—		(67,349)
	$	(50,805)	$	(4,405)	$	(55,210)

A rollforward of the amounts included in AOCIL, net of taxes, for the nine months ended September 30, 2019 and 2018, is as follows:

			Foreign		Accumulated
			Currency		Other
	Interest		Translation		Comprehensive
	Rate Swaps		Adjustment		Income (Loss)
Balance at December 31, 2018	$	8,892	$	(83,678)	$	(74,786)
Amounts reclassified into earnings		(5,085)		—		(5,085)
Changes in fair value		(41,761)		—		(41,761)
Foreign currency translation adjustment		—		60,404		60,404
Balance at September 30, 2019	$	(37,954)	$	(23,274)	$	(61,228)

					Foreign		Accumulated
					Currency		Other
			Interest		Translation		Comprehensive
	Fuel Hedges		Rate Swaps		Adjustment		Income (Loss)
Balance at December 31, 2017	$	2,907	$	13,951	$	91,555	$	108,413
Amounts reclassified into earnings		(3,490)		1,769		—		(1,721)
Changes in fair value		2,226		11,634		—		13,860
Foreign currency translation adjustment		—		—		(67,349)		(67,349)
Balance at September 30, 2018	$	1,643	$	27,354	$	24,206	$	53,203

See Note 12 for further discussion on the Company’s derivative instruments.

28

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

17.SHAREHOLDERS’ EQUITY

Share-Based Compensation

Restricted Share Units

A summary of activity related to restricted share units (“RSUs”) during the nine-month period ended September 30, 2019, is presented below:

	Unvested Shares
Outstanding at December 31, 2018	987,563
Granted	341,459
Forfeited	(46,503)
Vested and issued	(413,877)
Outstanding at September 30, 2019	868,642

The weighted average grant-date fair value per share for the common shares underlying the RSUs granted during the nine-month period ended September 30, 2019 was $81.15.

Recipients of RSUs who participate in the Company’s Nonqualified Deferred Compensation Plan may have elected in years prior to 2015 to defer some or all of their RSUs as they vest until a specified date or dates they choose. At the end of the deferral periods, unless a qualified participant makes certain other elections, the Company issues to recipients who deferred their RSUs common shares of the Company underlying the deferred RSUs. At September 30, 2019 and 2018, the Company had 247,999 and 264,374 vested deferred RSUs outstanding, respectively.

Performance-Based Restricted Share Units

A summary of activity related to performance-based restricted share units (“PSUs”) during the nine-month period ended September 30, 2019, is presented below:

	Unvested Shares
Outstanding at December 31, 2018	532,086
Granted	152,656
Vested and issued	(180,258)
Outstanding at September 30, 2019	504,484

During the nine months ended September 30, 2019, the Company’s Compensation Committee granted PSUs with three-year performance-based metrics that the Company must meet before those awards may be earned, and the performance period for those grants ends on December 31, 2021. During the same period, the Company’s Compensation Committee also granted PSUs with a one-year performance-based metric that the Company must meet before those awards may be earned, with the awards then subject to time-based vesting for the remaining three years of their four-year vesting period. The Compensation Committee will determine the achievement of performance results and corresponding vesting of PSUs for each performance period. The weighted average grant-date fair value per share for the common shares underlying all PSUs granted during the nine-month period ended September 30, 2019 was $80.85.

29

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

Deferred Share Units

A summary of activity related to deferred share units (“DSUs”) during the nine-month period ended September 30, 2019, is presented below:

	Vested Shares
Outstanding at December 31, 2018	17,176
Granted	3,804
Cash settled	(2,010)
Outstanding at September 30, 2019	18,970

The DSUs consist of a combination of DSU grants outstanding under the Progressive Waste share-based compensation plans that were continued by the Company following the Progressive Waste acquisition and DSUs granted by the Company since the Progressive Waste acquisition. The weighted average grant-date fair value per share for the common shares underlying the DSUs granted during the nine-month period ended September 30, 2019 was $83.80.

Other Restricted Share Units

RSU grants outstanding under the Progressive Waste share-based compensation plans were continued by the Company following the Progressive Waste acquisition and allow for the issuance of shares or cash settlement to employees upon vesting. A summary of activity related to Progressive Waste RSUs during the nine-month period ended September 30, 2019, is presented below:

Outstanding at December 31, 2018	122,259
Cash settled	(46,023)
Forfeited	(2,352)
Outstanding at September 30, 2019	73,884

A summary of vesting activity related to Progressive Waste RSUs during the nine-month period ended September 30, 2019, is presented below:

Vested at December 31, 2018	120,153
Vested over remaining service period	2,106
Cash settled	(46,023)
Forfeited	(2,352)
Vested at September 30, 2019	73,884

No RSUs under the Progressive Waste share-based compensation plans were granted subsequent to June 1, 2016.  During the nine months ended September 30, 2019, 964 Progressive Waste RSUs were forfeited and have been redistributed to the other remaining active participants.  All remaining RSUs were vested as of March 31, 2019.

Other Performance-Based Restricted Share Units

PSU grants outstanding under the Progressive Waste share-based compensation plans were continued by the Company following the Progressive Waste acquisition and allow for cash settlement only to employees upon vesting based on

30

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

achieving target results. A summary of activity related to Progressive Waste PSUs during the nine-month period ended September 30, 2019, is presented below:

Outstanding at December 31, 2018	22,791
Cash settled, net of notional dividend	(22,791)
Outstanding at September 30, 2019	—

No PSUs under the Progressive Waste share-based compensation plans were granted subsequent to June 1, 2016.  All outstanding PSUs were vested as of December 31, 2018.

Share Based Options

Share based options outstanding under the Progressive Waste share-based compensation plans were continued by the Company following the Progressive Waste acquisition and allow for the issuance of shares or cash settlement to employees upon vesting. A summary of activity related to Progressive Waste share based options during the nine-month period ended September 30, 2019, is presented below:

Outstanding at December 31, 2018	165,156
Cash settled	(31,097)
Outstanding at September 30, 2019	134,059

No share based options under the Progressive Waste share-based compensation plans were granted subsequent to June 1, 2016. All outstanding share based options were vested as of December 31, 2017.

Normal Course Issuer Bid

On July 25, 2019, the Board of Directors of the Company approved, subject to receipt of regulatory approvals, the annual renewal of the Company’s normal course issuer bid (the “NCIB”) to purchase up to 13,184,474 of the Company’s common shares during the period of August 8, 2019 to August 7, 2020 or until such earlier time as the NCIB is completed or terminated at the option of the Company. The renewal followed the conclusion of the Company’s NCIB that expired August 7, 2019. The Company received Toronto Stock Exchange (the “TSX”) approval for its annual renewal of the NCIB on August 2, 2019.  Under the NCIB, the Company may make share repurchases only in the open market, including on the New York Stock Exchange (the “NYSE”), the TSX, and/or alternative Canadian trading systems, at the prevailing market price at the time of the transaction.

In accordance with TSX rules, any daily repurchases made through the TSX and alternative Canadian trading systems is limited to a maximum of 79,933 common shares, which represents 25% of the average daily trading volume on the TSX of 319,734 common shares for the period from February 1, 2019 to July 31, 2019. The TSX rules also allow the Company to purchase, once a week, a block of common shares not owned by any insiders, which may exceed such daily limit. The maximum number of shares that can be purchased per day on the NYSE will be 25% of the average daily trading volume for the four calendar weeks preceding the date of purchase, subject to certain exceptions for block purchases.

The timing and amounts of any repurchases pursuant to the NCIB will depend on many factors, including the Company’s capital structure, the market price of the common shares and overall market conditions. All common shares purchased under the NCIB shall be immediately cancelled following their repurchase.

31

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

During the nine months ended September 30, 2019, the Company did not repurchase any common shares pursuant to its NCIB in effect during such period.  For the nine months ended September 30, 2018, the Company repurchased 594,474 common shares pursuant to its NCIB in effect during such period at an aggregate cost of $42,040. As of September 30, 2019, the remaining maximum number of shares available for repurchase under the current NCIB was 13,184,474.

Cash Dividend

In October 2018, the Company announced that its Board of Directors increased its regular quarterly cash dividend by $0.02, from $0.14 to $0.16 per Company common share. Cash dividends of $126,348 and $110,447 were paid during the nine months ended September 30, 2019 and 2018, respectively.

18.COMMITMENTS AND CONTINGENCIES

In the normal course of its business and as a result of the extensive governmental regulation of the solid waste and E&P waste industries, the Company is subject to various judicial and administrative proceedings involving Canadian regulatory authorities as well as U.S. federal, state and local agencies. In these proceedings, an agency may subpoena the Company for records, or seek to impose fines on the Company or revoke or deny renewal of an authorization held by the Company, including an operating permit. From time to time, the Company may also be subject to actions brought by special interest or other groups, adjacent landowners or residents in connection with the permitting and licensing of landfills, transfer stations, and E&P waste treatment, recovery and disposal operations, or alleging environmental damage or violations of the permits and licenses pursuant to which the Company operates.

In addition, the Company is a party to various claims and suits pending for alleged damages to persons and property, alleged violations of certain laws and alleged liabilities arising out of matters occurring during the normal operation of the Company’s business. Except as noted in the matters described below, as of September 30, 2019, there is no current proceeding or litigation involving the Company or its property that the Company believes could have a material adverse effect on its business, financial condition, results of operations or cash flows.

Lower Duwamish Waterway Superfund Site Allocation Process

In November 2012, the Company’s subsidiary, Northwest Container Services, Inc. (“NWCS”), was named by the U.S. Environmental Protection Agency, Region 10 (the “EPA”) as a potentially responsible party (“PRP”), along with more than 100 others, under the Comprehensive Environmental Response, Compensation and Liability Act (“CERCLA” or the “Superfund” law) with respect to the Lower Duwamish Waterway Superfund Site (the “LDW Site”).  Listed on the National Priorities List in 2001, the LDW Site is a five-mile stretch of the Duwamish River flowing into Elliott Bay in Seattle, Washington.  A group of PRPs known as the Lower Duwamish Working Group (“LDWG”) and consisting of the City of Seattle, King County, the Port of Seattle, and Boeing Company conducted a Remedial Investigation/Feasibility Study for the LDW Site.  On December 2, 2014, the EPA issued its Record of Decision (the “ROD”) describing the selected clean-up remedy, and therein estimated that clean-up costs (in present value dollars as of November 2014) would total approximately $342,000. However, it is possible that additional costs could be incurred based upon various factors. The EPA estimates that it will take seven years to implement the clean-up. The ROD also requires ten years of monitoring following the clean-up, and provides that if clean-up goals have not been met by the end of this period, then additional clean-up activities, at additional cost, may be required at that time. Implementation of the clean-up will not begin until after the ongoing Early Action Area (“EAA”) clean-ups have been completed.  Typically, costs for monitoring may be in addition to those expended for the clean-up.  While three of the EAA clean-ups have been completed to date, some work remains to be done on three other EAAs.  Implementation of the clean-up also must await additional baseline sampling throughout the LDW Site and the preparation of a remedial design for performing the clean-up.  On April 27, 2016, the LDWG entered into a third amendment of its Administrative Order on Consent with the EPA (the “AOC 3”) in which it

32

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

agreed to perform the additional baseline sediment sampling and certain technical studies needed to prepare the actual remedial design.  The LDWG and the EPA entered into a fourth amendment to the AOC in July 2018 primarily addressing development of a proposed remedy for the upper reach of the LDW Site, river mile 3 to river mile 5.  At the April 24, 2019 stakeholders meeting the LDWG projected completion of the remedial design for the upper reach could be completed by August 2024.

On August 16, 2016, the EPA sent individual letters to each of the PRPs for the LDW Site, including NWCS, stating that it expects to initiate negotiations with all PRPs in early 2018 relating to a Remedial Design/Remedial Action (“RD/RA”) Consent Decree.  An RD/RA Consent Decree provides for the cleanup of the entire site and is often referred to as a “global settlement.”  In August 2014, NWCS entered into an Alternative Dispute Resolution Memorandum of Agreement with several dozen other PRPs and a neutral allocator to conduct a confidential and non-binding allocation of certain past response costs allegedly incurred at the LDW Site as well as the anticipated future response costs associated with the clean-up.  The pre-remedial design work under the AOC 3 is now not expected to conclude until the end of 2019, and in March 2017, the PRPs provided the EPA with notice that the allocation was not scheduled to conclude until mid-2019.  Later extensions pushed the allocation conclusion date to early 2020 and the EPA was informed of that schedule.  The allocation participants voted in June 2019 to extend the final allocation report deadline to July 2020.  The EPA has been informed of that change.  In June 2017, attorneys for the EPA informed attorneys for several PRPs that the EPA expected to begin RD/RA negotiations in the late summer or early fall of 2018.  Those negotiations have not been scheduled and there is no recent indication from the EPA regarding when they will begin. NWCS is defending itself vigorously in this confidential allocation process.  At this point, the Company is not able to determine the likelihood of the allocation process being completed as intended by the participating PRPs, its specific allocation, or the likelihood of the parties then negotiating a global settlement with the EPA.  Thus, NWCS cannot reasonably determine the likelihood of any outcome in this matter, including its potential liability.

On February 11, 2016, NWCS received a letter (the “Letter”) from the United States Department of Commerce, National Oceanic and Atmospheric Administration (“NOAA”), describing certain investigatory activities conducted by the Elliott Bay Trustee Council (the “Council”).  The Council consists of all of the natural resources trustees for the LDW Site as well as two nearby Superfund sites, the Harbor Island site and the Lockheed West site.  The members of the Council include the United States, on behalf of the U.S. National Oceanic and Atmospheric Administration and the U.S. Department of the Interior, the Washington State Department of Ecology, and the Suquamish and Muckleshoot Indian Tribes (together, the “Trustees”).  The Letter appears to allege that NWCS may be a potentially liable party that allegedly contributed to the release of hazardous substances that have injured natural resources at the LDW Site.  Damages to natural resources are in addition to clean-up costs.  The Letter, versions of which NWCS believes were sent to all or a group of the PRPs for the LDW Site, also notified its recipients of their opportunity to participate in the Trustees’ development of an Assessment Plan and the performance of a Natural Resources Damages Assessment (“NRDA”) in accordance with the Assessment Plan for both the LDW Site and the east and west waterways of the Harbor Island site.  NWCS timely responded with correspondence to the NOAA Office of General Counsel, in which it declined the invitation at that time.  NWCS does not know how other PRPs responded to the Letter, and has not received any further communication from NOAA or the Trustees.  The Trustees have not responded to NWCS’ letter.  The Trustees released their Assessment Plan in March 2019.  The Assessment Plan does not set forth a timeline for implementation.  At this point, the Company is not able to determine the likelihood or amount of an assessment of natural resource damages against NWCS in connection with this matter.

33

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

Los Angeles County, California Landfill Expansion Litigation

A. Chiquita Canyon, LLC Lawsuit Against Los Angeles County

In October 2004, the Company’s subsidiary, Chiquita Canyon, LLC (“CCL”), then under prior ownership, filed an application (the “Application”) with the County of Los Angeles (the “County”) Department of Regional Planning (“DRP”) for a conditional use permit (the “CUP”) to authorize the continued operation and expansion of the Chiquita Canyon Landfill (the “Landfill”). The Landfill has operated since 1972, and as a regional landfill, accepted approximately three million tons of materials for disposal and beneficial use in 2016.  The Application requested expansion of the existing waste footprint on CCL’s contiguous property, an increase in maximum elevation, creation of a new entrance and new support facilities, construction of a facility for the County or another third-party operator to host household hazardous waste collection events, designation of an area for mixed organics/composting, and other modifications.

After many years of reviews and delays, upon the recommendation of County staff, the County’s Regional Planning Commission (the “Commission”) approved the Application on April 19, 2017, but imposed operating conditions, fees and exactions that substantially reduce the historical landfill operations and represent a large increase in aggregate taxes and fees. CCL objected to many of the requirements imposed by the Commission.  Current estimates for new costs imposed on CCL under the CUP are in excess of $300,000.

CCL appealed the Commission’s decision to the County Board of Supervisors, but the appeal was not successful.  At a subsequent hearing, on July 25, 2017, the Board of Supervisors approved the CUP.  On October 20, 2017, CCL filed in the Superior Court of California, County of Los Angeles a verified petition for writ of mandate and complaint against the County and the County Board of Supervisors captioned Chiquita Canyon, LLC v. County of Los Angeles, No. BS171262 (Los Angeles Co. Super Ct.) (the “Complaint”).  The Complaint challenges the terms of the CUP in 13 counts generally alleging that the County violated multiple California and federal statutes and California and federal constitutional protections. CCL seeks the following relief: (a) an injunction and writ of mandate against certain of the CUP’s operational restrictions, taxes and fees, (b) a declaration that the challenged conditions are unconstitutional and in violation of state and federal statutes, (c) reimbursement for any such illegal fees paid under protest, (d) damages, (e) an award of just compensation for a taking, (f) attorney fees, and (g) all other appropriate legal and equitable relief.

On December 6, 2017, the County filed a demurrer to the Complaint arguing that the Complaint is legally insufficient to proceed.  At an initial trial-setting hearing on February 8, 2018, the Superior Court suggested that the Complaint should be amended to separate the claims seeking a writ of mandamus against the County.  CCL filed its First Amended Complaint on March 23, 2018.  The County filed its demurrer and motion to strike challenging portions of the First Amended Complaint on April 25, 2018. CCL filed its combined opposition to the demurrer and motion to strike on July 3, 2018. The County filed a combined reply brief on July 10, 2018.  The hearing on the demurrer took place on July 17, 2018.  The Superior Court sustained the demurrer and granted the motion to strike.  The effect of the Court’s rulings was to bar CCL from proceeding with its challenges to 14 of the 29 CUP conditions at issue in the litigation, including 13 operational conditions and CCL’s challenge to the $11,600 B&T Fee discussed below.  The Superior Court set a trial date of June 18, 2019 for the remaining mandamus claims.  The Superior Court granted CCL leave to amend its Complaint if CCL chose to pay the $11,600 B&T fee to allow a challenge to the B&T fee to proceed under the Mitigation Fee Act.  CCL paid the $11,600 B&T fee on August 10, 2018 and filed its Second Amended Complaint on August 16, 2018, reflecting that the B&T fee had been paid under protest and allowing the challenges to the B&T fee to go forward.

On September 14, 2018, CCL sought discretionary review by the California Court of Appeal of the Superior Court’s July 17, 2018 decision barring the challenge to 13 operational conditions.  On October 5, 2018, the Court of Appeal decided to hear CCL’s appeal and, after full briefing by the parties, heard oral argument on January 9, 2019.

34

WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

On February 25, 2019, the Court of Appeal issued its decision, reversing the trial court orders that granted the County’s motion to strike and demurrer.  The Court of Appeal ruled that CCL had adequately pled a claim that the County was equitably estopped from contending that CCL had forfeited its rights to challenge the legality of the 13 operational conditions.  CCL’s Complaint sets forth that CCL relied on representations made by the County in 2017 that CCL could reserve its legal rights to challenge the CUP in a separate reservation of rights letter rather than the affidavit of acceptance of the CUP that the County compelled Chiquita to file.

At a trial setting conference on May 28, 2019, the equitable estoppel issues in this case were discussed and the Superior Court continued the June 18, 2019 trial date to April 23, 2020.  The Superior Court also set an evidentiary hearing on the equitable estoppel issues for November 12, 2019.  Discovery occurred on these issues in July through September 2019.  CCL will continue to vigorously prosecute the lawsuit.  However, at this point, the Company is not able to determine the likelihood of any outcome in this matter.

B. CEQA Lawsuit Against Los Angeles County Challenging Environmental Review for Landfill Expansion

A separate lawsuit involving CCL and the Landfill was filed on August 24, 2017 by community activists alleging that the environmental review underlying the CUP was inadequate under state law.  The Val Verde Civic Association, Citizens for Chiquita Canyon Landfill Compliance, and the Santa Clarita Organization for Planning the Environment filed a petition for writ of mandate in the Superior Court of California, County of Los Angeles against the County, naming CCL as the real party in interest.  The lawsuit seeks to overturn the County’s approval of the CUP for the expansion of the Landfill and the certification of the final Environmental Impact Report, arguing that the report violates the California Environmental Quality Act.  Pursuant to Condition No. 6 of the CUP, which requires CCL to defend, indemnify, and hold harmless the County, its agents, officers, and employees from any claim or proceeding against the County brought by any third party to attack, set aside, void, or annul the CUP approval, CCL has agreed to reimburse the County for its legal costs associated with defense of the lawsuit.  As the real party in interest, CCL has a right to notice and an opportunity to be heard in opposition to the petition for writ of mandate.  The petitioners filed their Opening Brief with the court on September 27, 2018.  CCL filed its Opposition Brief with the court on November 28, 2018 and the petitioners filed their Reply Brief on December 20, 2018.  A trial date had been scheduled for February 8, 2019, but on February 6, 2019, the court reassigned the case to a different judge and vacated the trial date.  A new trial date was scheduled for August 23, 2019. Just prior to the August 23, 2019 trial, the court issued a tentative ruling that upheld most of the environmental analysis, with one exception relating to mitigation for odor impacts, and also asking the parties for further information relating to air quality monitoring. At the conclusion of oral argument on August 23, 2019, the court asked the parties to return on September 13, 2019 for further oral argument on the odor mitigation issue.  The court did not issue a tentative ruling at the September 13, 2019 hearing, additional oral argument was had, and the court took the matter under submission. The court issued a final ruling on October 10, 2019 denying the writ petition in full and directing the County to prepare a proposed judgment, serve it on the opposing parties for approval as to form, and lodge it with the court. Once the court issues a notice of entry of judgment, the petitioners may file an appeal from the judgment within 60 days or the judgment will be final.

C. December 11, 2017 Notice of Violation Regarding Certain CUP Conditions.

The County, through its DRP, issued a Notice of Violation, dated December 11, 2017 (the “NOV”), alleging that CCL violated certain conditions of the CUP, including Condition 79(B)(6) of the CUP by failing to pay an $11,600 Bridge & Thoroughfare Fee (“B&T Fee”) that was purportedly due on July 25, 2017. The alleged B&T fee was ostensibly to fund the construction of transportation infrastructure in the area of the Landfill. At the time the NOV was issued, CCL had already contested the legality of the B&T fee in the October 20, 2017 Complaint filed against the County in Los Angeles County Superior Court.

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WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

On January 12, 2018, CCL filed an appeal of the alleged violations in the NOV.  Subsequently, CCL filed additional legal arguments and exhibits contesting the NOV.  On March 6, 2018, a DRP employee designated as hearing officer sustained the NOV, including the $11,600 B&T fee, and imposed an administrative penalty in the amount of $83 and a noncompliance fee of $0.75. A written decision memorializing the hearing officer’s findings and order, dated July 10, 2018, was received by CCL on July 12, 2018.  On April 13, 2018, CCL filed in the Superior Court of California, County of Los Angeles a Petition for Writ of Administrative Mandamus against the County seeking to overturn the decision sustaining the NOV, contending that the NOV and decision are not supported by the facts or law.  On June 22, 2018, Chiquita filed a Motion for Stay seeking to halt enforcement of the B&T fee and penalty and the accrual of any further penalties pending the resolution of the Petition for Writ of Mandamus. The motion was heard and denied by the Court on July 17, 2018.  As explained above, the Court granted CCL leave to pay the $11,600 B&T fee and to amend its Complaint to reflect the payment under protest, allowing the challenge to the B&T fee to proceed.  CCL paid the B&T fee on August 10, 2018, and also paid on that date the administrative penalty of $83 and a noncompliance fee of $0.75. As directed by the Court, CCL amended its Complaint in a Second Amended Complaint filed in the CUP action on August 16, 2018. The Court indicated that the NOV case would likely be tried in conjunction with the CUP case, set for June 18, 2019, and that the cases would be coordinated.  At the May 29, 2019 trial setting conference referenced above where the trial of the CUP case was set for April 23, 2020, the Superior Court set the trial for the B&T fee/NOV case for June 25, 2020.  At this point, the Company is not able to determine the likelihood of any outcome in this matter.

Town of Colonie, New York Landfill Expansion Litigation

On April 16, 2014, the Town of Colonie (the “Town”) filed an application (the “Application”) with the New York State Department of Environmental Conservation (“DEC”) to modify the Town’s then-current Solid Waste Management Facility Permit and for other related permits to authorize the development and operation of Area 7 of the Town of Colonie Landfill (the “Landfill”), which is located in Albany County, New York.  DEC issued the requested permits on April 5, 2018 (the “Permits”).  The Company’s subsidiary, Capital Region Landfills, Inc. (“CRL”), has been the sole operator of the Landfill since September 2011 pursuant to an operating agreement between CRL and the Town.

On May 7, 2018, the Town of Halfmoon, New York, and five of its residents, commenced an Article 78 special proceeding in the Supreme Court of the State of New York, Saratoga County, against DEC, the Town, CRL, and the Company (the “Halfmoon Proceeding”).  On that same date, the Town of Waterford, New York, and eleven of its residents, also commenced an Article 78 special proceeding in the Supreme Court of the State of New York, Saratoga County, against the same respondents (the “Waterford Proceeding”).  On June 4, 2018, the Town and CRL filed Verified Answers, including motions to dismiss the petitions, and the Company separately moved to dismiss the petitions.  The Waterford Petitioners stipulated to removing the Company as a respondent when they filed an Amended Verified Petition on June 15, 2018.  The Halfmoon Petitioners served an Amended Verified Petition on July 5, 2018, retaining all originally named parties, including the Company.

The Petitioners alleged that, in granting the Permits, DEC failed to comply with the procedural and substantive requirements of New York’s Environmental Conservation Law and State Environmental Quality Review Act, and their implementing regulations.  The Petitioners asked the court to: annul the Permits and invalidate DEC’s Findings Statement, enjoin the Town and CRL from taking any action authorized by the Permits, require an issues conference and possibly an adjudicatory hearing before DEC can re-consider the Town’s permit application; remand all regulatory issues to a DEC Administrative Law Judge; and award costs and disbursements.  The Waterford Petitioners also requested reasonable attorneys’ fees.

On July 13, 2018, the Honorable Ann C. Crowell granted a venue change motion filed by DEC, and ordered that the Halfmoon Proceeding and the Waterford Proceeding be transferred to the Supreme Court, Albany County.  CRL’s opposition submissions, including its responsive pleadings, Memorandum of Law, and supporting Affidavits, were filed

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WASTE CONNECTIONS, INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(DOLLAR AMOUNTS IN THOUSANDS OF U.S. DOLLARS, EXCEPT PER SHARE, PER TON AND PER GALLON AMOUNTS)

and served on or before July 25, 2018.  On August 28, 2018, the Towns of Waterford and Halfmoon filed a motion seeking an order preliminarily enjoining during the pendency of the proceedings all activities relating to the expansion of the Landfill which are authorized by the Permits.  On September 18, 2018, CRL and the Company filed and served Memoranda of Law in opposition to the preliminary injunction motion, with supporting Affidavits, and, on September 24, 2018, the Towns of Waterford and Halfmoon filed a Reply Memorandum of Law in further support of their injunctive motion.  The Honorable Debra J. Young denied the Petitioners’ motion for preliminary injunction on November 30, 2018.

On January 23, 2019, the court held that the Petitioners lacked standing to maintain the proceedings and dismissed both the Waterford and Halfmoon Amended Verified Petitions in their entirety.  In late February and early March 2019, the Waterford and Halfmoon Petitioners filed notices of appeal to the Appellate Division, Third Department, of both Judge Crowell’s decision to transfer the proceedings to Albany County and of Judge Young’s dismissal of the Amended Verified Petitions.  

On March 7, 2019, the Waterford Petitioners moved, with consent of the Halfmoon Petitioners, to consolidate the appeals.  Respondents opposed the consolidation motion to the extent that it may result in inequitable briefing under the Appellate Division rules.  On April 4, 2019, the Appellate Division, Third Department granted the consolidation motion “to the extent that the appeals shall be heard together and may be perfected upon a joint record on appeal.”

On April 26, 2019, the Waterford Petitioners filed a motion with the Appellate Division, Third Department, seeking an order preliminarily enjoining construction activities or the acceptance of waste at the Landfill.  The Company, CRL, and the Town of Colonie opposed the motion, which was summarily denied by the Third Department, Appellate Division on June 20, 2019.

On June 25, 2019, the Waterford Petitioners filed their appellate brief and the joint record on appeal.  The Halfmoon Petitioners filed their appellate brief on August 21, 2019.  All respondents’ opposition briefs are currently due by November 20, 2019, and the Waterford and Halfmoon Petitioners’ reply briefs will be due ten days from service of same.

19.SUBSEQUENT EVENTS

On October 28, 2019, the Company announced that its Board of Directors increased its regular quarterly cash dividend by $0.025, from $0.16 to $0.185 per Company common share, and then declared a regular quarterly cash dividend of $0.185 per Company common share. The dividend will be paid on November 26, 2019, to shareholders of record on the close of business on November 12, 2019.

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Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations

FORWARD-LOOKING STATEMENTS

Certain statements contained in this Quarterly Report on Form 10-Q are forward-looking in nature, including statements related to our ability and intent to draw on our Credit Agreement or raise additional capital, the responsibilities of our subsidiaries with regard to possible cleanup obligations imposed by the EPA or other regulatory authorities, the impact of global, regional and local economic conditions, including the price of crude oil, on our volume, business and results of operations, the effects of seasonality on our business and results of operations, our ability to address any impacts of inflation on our business, demand for recyclable commodities (including landfill gas reclamation) and recyclable commodity pricing, our expectations with respect to capital expenditures, our expectations with respect to our ability to obtain expansions of permitted landfill capacity and to provide collection services under exclusive arrangements, our expectations with respect to our normal course issuer bid (our share repurchase program) and future dividend payments, our expectations with respect to the outcomes of our legal proceedings, our expectations with respect to the potential financial impairment of our reporting units caused by dispositions of certain operating units, our expectations about new accounting standards, our expectations about potential non-performance by counterparties to our hedge agreements and our expectations with respect to the anticipated benefits of any acquisitions. These statements can be identified by the use of forward-looking terminology such as “believes,” “expects,” “may,” “will,” “should” or “anticipates,” or the negative thereof or comparable terminology, or by discussions of strategy.

Our business and operations are subject to a variety of risks and uncertainties and, consequently, actual results may differ materially from those projected by any forward-looking statements. Factors that could cause actual results to differ from those projected include, but are not limited to, the following:

● Our results are vulnerable to economic conditions;

● Our industry is highly competitive and includes companies with lower prices, return expectations or other advantages, and governmental service providers, which could adversely affect our ability to compete and our operating results;

● Competition for acquisition candidates, consolidation within the waste industry and economic and market conditions may limit our ability to grow through acquisitions;

● Price increases may not be adequate to offset the impact of increased costs, or may cause us to lose customers;

● We may lose contracts through competitive bidding, early termination or governmental action;

● Our financial and operating performance may be affected by the inability to renew landfill operating permits, obtain new landfills and expand existing ones;

● Lower crude oil prices may adversely affect the level of exploration, development and production activity of E&P companies and the demand for our E&P waste services;

● Increases in labor costs and limitations on labor availability could impact our financial results;

● Increases in capital expenditures could impact our financial results;

● A portion of our growth and future financial performance depends on our ability to integrate acquired businesses, and the success of our acquisitions;

● The seasonal nature of our business and “event-driven” waste projects cause our results to fluctuate;

● Our results will be affected by changes in recycled commodity prices and quantities;

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● Our results will be affected by changes in the value of renewable fuels;

● Increases in the price of diesel or compressed natural gas fuel may adversely affect our collection business and reduce our operating margins;

● Our financial results are based upon estimates and assumptions that may differ from actual results;

● Our accruals for our landfill site closure and post-closure costs may be inadequate;

● Increases in insurance costs and the amount that we self-insure for various risks could reduce our operating margins and reported earnings;

● We may be subject in the normal course of business to judicial, administrative or other third-party proceedings that could interrupt or limit our operations, require expensive remediation, result in adverse judgments, settlements or fines and create negative publicity;

● Pending or future litigation or governmental proceedings could result in material adverse consequences, including judgments or settlements;

● Our financial results could be adversely affected by impairments of goodwill, indefinite-lived intangibles or property and equipment;

● Income and other taxes may be uncertain;

● Future changes to U.S., Canadian and foreign income and other tax laws could materially adversely affect us;

● Each business that we acquire or have acquired may have liabilities or risks that we fail or are unable to discover, or that become more adverse to our business than we anticipated at the time of acquisition;

● Our indebtedness could adversely affect our financial condition and limit our financial flexibility;

● We may be unable to obtain performance or surety bonds, letters of credit or other financial assurances or to maintain adequate insurance coverage;

● Our operations in Canada expose us to exchange rate fluctuations that could adversely affect our financial performance and our reported results of operations;

● Alternatives to landfill disposal may cause our revenues and operating results to decline;

● Labor union activity could divert management attention and adversely affect our operating results;

● We could face significant withdrawal liability if we withdraw from participation in one or more multiemployer pension plans in which we participate and the accrued pension benefits are not fully funded;

● We rely on computer systems to run our business and disruptions or privacy breaches in these systems could impact our ability to service our customers and adversely affect our financial results, damage our reputation, and expose us to litigation risk;

● Extensive and evolving environmental, health and safety laws and regulations may restrict our operations and growth and increase our costs;

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● Our business is subject to operational and safety risks, including the risk of personal injury to employees and others;

● Future changes in laws regulating the flow of solid waste in interstate commerce could adversely affect our operating results;

● Extensive regulations that govern the design, operation, expansion and closure of landfills may restrict our landfill operations or increase our costs of operating landfills;

● Our E&P waste business could be adversely affected by changes in laws regulating E&P waste;

● Liabilities for environmental damage may adversely affect our financial condition, business and earnings;

● We depend significantly on the services of the members of our senior and regional management team, and the departure of any of those persons could cause our operating results to suffer;

● Our decentralized decision-making structure could allow local managers to make decisions that may adversely affect our operating results; and

● If we are not able to develop and protect intellectual property, or if a competitor develops or obtains exclusive rights to a breakthrough technology, our financial results may suffer.

These risks and uncertainties, as well as others, are discussed in greater detail in this Quarterly Report on Form 10-Q and in other filings with the U.S. Securities and Exchange Commission, or SEC, made by the Company, including its most recent Annual Report on Form 10-K, as well as in the Company’s filings during the year with the Canadian Securities Administrators. There may be additional risks of which we are not presently aware or that we currently believe are immaterial which could have an adverse impact on our business. We make no commitment to revise or update any forward-looking statements in order to reflect events or circumstances that may change, except where we are expressly required to do so by law.

OVERVIEW OF OUR BUSINESS

We are an integrated solid waste services company that provides non-hazardous waste collection, transfer, disposal and recycling services in mostly exclusive and secondary markets in the U.S. and Canada. Through our R360 Environmental Solutions subsidiary, we are also a leading provider of non-hazardous exploration and production, or E&P, waste treatment, recovery and disposal services in several of the most active natural resource producing areas in the U.S. We also provide intermodal services for the rail haul movement of cargo and solid waste containers in the Pacific Northwest through a network of intermodal facilities.

We generally seek to avoid highly competitive, large urban markets and instead target markets where we can attain high market share either through exclusive contracts, vertical integration or asset positioning. In markets where waste collection services are provided under exclusive arrangements, or where waste disposal is municipally owned or funded or available at multiple municipal sources, we believe that controlling the waste stream by providing collection services under exclusive arrangements is often more important to our growth and profitability than owning or operating landfills. We also target niche markets, like E&P waste treatment and disposal services.

As of September 30, 2019, we served residential, commercial, industrial and E&P customers in 42 states in the U.S. and six provinces in Canada:  Alabama, Alaska, Arizona, Arkansas, California, Colorado, Florida, Georgia, Idaho, Illinois, Iowa, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Jersey, New Mexico, New York, North Carolina, North Dakota, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, Wisconsin and Wyoming, and the provinces of Alberta, British Columbia, Manitoba, Ontario, Québec and Saskatchewan.

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The solid waste industry is local and highly competitive in nature, requiring substantial labor and capital resources. The participants compete for collection accounts primarily on the basis of price and, to a lesser extent, the quality of service, and compete for landfill business on the basis of tipping fees, geographic location and quality of operations. The solid waste industry has been consolidating and continues to consolidate as a result of a number of factors, including the increasing costs and complexity associated with waste management operations and regulatory compliance. Many small independent operators and municipalities lack the capital resources, management, operating skills and technical expertise necessary to operate effectively in such an environment. The consolidation trend has caused solid waste companies to operate larger landfills that have complementary collection routes that can use company-owned disposal capacity. Controlling the point of transfer from haulers to landfills has become increasingly important as landfills continue to close and disposal capacity moves farther from the collection markets it serves.

Generally, the most profitable operators within the solid waste industry are those companies that are vertically integrated or enter into long-term collection contracts. A vertically integrated operator will benefit from:  (1) the internalization of waste, which is bringing waste to a company-owned landfill; (2) the ability to charge third-party haulers tipping fees either at landfills or at transfer stations; and (3) the efficiencies gained by being able to aggregate and process waste at a transfer station prior to landfilling.

The E&P waste services industry is regional in nature and is also highly fragmented, with acquisition opportunities available in several active natural resource basins. Competition for E&P waste comes primarily from smaller regional companies that utilize a variety of disposal methods and generally serve specific geographic markets, and other solid waste companies. In addition, customers in many markets have the option of using internal disposal methods or outsourcing to another third-party disposal company. The principal competitive factors in this business include: gaining customer approval of treatment and disposal facilities; location of facilities in relation to customer activity; reputation; reliability of services; track record of environmental compliance; ability to accept multiple waste types at a single facility; and price. The demand for our E&P waste services depends on the continued demand for, and production of, oil and natural gas. Crude oil and natural gas prices historically have been volatile. If the prices of crude oil and natural gas substantially decline, it could lead to declines in the level of production activity and demand for our E&P waste services, which could result in the recognition of impairment charges on our intangible assets and property and equipment associated with our E&P operations.

CRITICAL ACCOUNTING ESTIMATES AND ASSUMPTIONS

The preparation of financial statements in conformity with U.S. generally accepted accounting principles, or GAAP, requires estimates and assumptions that affect the reported amounts of assets and liabilities, revenues and expenses and related disclosures of contingent assets and liabilities in the condensed consolidated financial statements. As described by the SEC, critical accounting estimates and assumptions are those that may be material due to the levels of subjectivity and judgment necessary to account for highly uncertain matters or the susceptibility of such matters to change, and that have a material impact on the financial condition or operating performance of a company. Such critical accounting estimates and assumptions are applicable to our reportable segments. Refer to our most recent Annual Report on Form 10-K for a complete description of our critical accounting estimates and assumptions.

NEW ACCOUNTING PRONOUNCEMENTS

For a description of the new accounting standards that affect us, see Note 3 to our Condensed Consolidated Financial Statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q.

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RESULTS OF OPERATIONS FOR THE THREE AND NINE MONTHS ENDED SEPTEMBER 30, 2019 AND 2018

The following table sets forth items in our Condensed Consolidated Statements of Net Income in thousands of U.S. dollars and as a percentage of revenues for the periods indicated.

	Three Months Ended September 30,								Nine Months Ended September 30,
	2019				2018				2019				2018
Revenues	$	1,412,444	100.0	%	$	1,281,110	100.0	%	$	4,026,719	100.0	%	$	3,661,209	100.0	%
Cost of operations		835,098	59.1			736,122	57.5			2,384,607	59.2			2,120,947	57.9
Selling, general and administrative		137,883	9.8			139,014	10.8			410,132	10.2			398,582	10.9
Depreciation		157,994	11.2			148,232	11.6			461,616	11.5			423,866	11.6
Amortization of intangibles		31,934	2.2			26,871	2.1			93,821	2.3			79,444	2.2
Impairments and other operating items		12,935	0.9			(1,998)	(0.2)			32,949	0.8			6,106	0.1
Operating income		236,600	16.8			232,869	18.2			643,594	16.0			632,264	17.3
Interest expense		(36,780)	(2.6)			(32,078)	(2.5)			(111,313)	(2.8)			(96,874)	(2.7)
Interest income		2,056	0.1			1,467	0.1			7,186	0.2			3,677	0.1
Other income (expense), net		(19)	(0.0)			600	0.0			4,562	0.1			2,053	0.1
Income tax provision		(42,783)	(3.0)			(52,092)	(4.0)			(110,539)	(2.7)			(126,509)	(3.5)
Net income		159,074	11.3			150,766	11.8			433,490	10.8			414,611	11.3
Net loss (income) attributable to noncontrolling interests		35	0.0			77	0.0			89	0.0			(218)	(0.0)
Net income attributable to Waste Connections	$	159,109	11.3	%	$	150,843	11.8	%	$	433,579	10.8	%	$	414,393	11.3	%

Revenues.  Total revenues increased $131.3 million, or 10.3%, to $1.412 billion for the three months ended September 30, 2019, from $1.281 billion for the three months ended September 30, 2018.  Total revenues increased $365.5 million, or 10.0%, to $4.027 billion for the nine months ended September 30, 2019, from $3.661 billion for the nine months ended September 30, 2018.

During the three months ended September 30, 2019, incremental revenue from acquisitions closed during, or subsequent to, the three months ended September 30, 2018, increased revenues by approximately $82.8 million.  During the nine months ended September 30, 2019, incremental revenue from acquisitions closed during, or subsequent to, the nine months ended September 30, 2018, increased revenues by approximately $242.2 million.  

Operations that were divested subsequent to September 30, 2018 decreased revenues by approximately $5.8 million and $18.8 million, respectively, for the three and nine months ended September 30, 2019.

During the three months ended September 30, 2019, the net increase in prices charged to our customers at our existing operations was $61.1 million, consisting of $60.1 million of core price increases and $1.0 million from surcharges. During the nine months ended September 30, 2019, the net increase in prices charged to our customers at our existing operations was $174.5 million, consisting of $168.4 million of core price increases and $6.1 million from surcharges.

During the three months ended September 30, 2019, volume increases in our existing business increased solid waste revenues by $10.3 million due primarily to increased collection and landfill volumes in our Western segment and increased roll off and landfill special waste in our Central segment exceeding declines in transfer station volumes in our Eastern segment’s New York City market due to reduced inbound waste from the New York Department of Sanitation and reduced landfill municipal solid waste in our Eastern and Southern segments. During the nine months ended September 30, 2019,

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volume increases in our existing business increased solid waste revenues by $7.0 million due primarily to increased collection and landfill volumes in our Western segment, increased landfill volumes in our Eastern segment and increased roll off collection and landfill special waste in our Central segment exceeding declines in transfer station volumes in our Eastern segment’s New York City market, reduced landfill municipal solid waste in our Eastern, Central and Southern segments and reduced residential collection in our Southern and Canada segments.

E&P revenues at facilities owned and fully-operated during the three and nine months ended September 30, 2019 and 2018 increased by $1.4 million and $12.5 million, respectively, due to increased drilling activity and E&P disposal volumes at the majority of basins we operate.

A decrease in the average Canadian dollar to U.S. dollar currency exchange rate resulted in a decrease in revenues of $1.9 million and $16.6 million, respectively, for the three and nine months ended September 30, 2019.  The average Canadian dollar to U.S. dollar exchange rates on our Canadian revenues were 0.7573 and 0.7651 in the three months ended September 30, 2019 and 2018, respectively.  The average Canadian dollar to U.S. dollar exchange rates on our Canadian revenues were 0.7524 and 0.7761 in the nine months ended September 30, 2019 and 2018, respectively.

Revenues from sales of recyclable commodities at facilities owned during the three and nine months ended September 30, 2019 and 2018 decreased $9.5 million and $21.9 million, respectively, due primarily to decreased prices for old corrugated cardboard and other fiber products resulting from a reduction in overseas demand.  

Other revenues decreased by $7.1 million during the three months ended September 30, 2019, due primarily to reduced demand causing a reduction in the prices for renewal energy credits associated with the generation of landfill gas primarily at our Canada segment.  Other revenues decreased by $13.4 million during the nine months ended September 30, 2019, due primarily to a decrease in intermodal revenues resulting from customer losses causing a reduction in cargo volume and reduced demand causing a reduction in the prices for renewal energy credits associated with the generation of landfill gas primarily at our Canada segment.  

Cost of Operations.  Total cost of operations increased $99.0 million, or 13.4%, to $835.1 million for the three months ended September 30, 2019, from $736.1 million for the three months ended September 30, 2018. The increase was primarily the result of $57.6 million of operating costs from acquisitions closed during, or subsequent to, the three months ended September 30, 2018 and an increase in operating costs at our existing operations of $47.5 million, assuming foreign currency parity, partially offset by a decrease in operating costs of $5.1 million at operations divested during, or subsequent to, the three months ended September 30, 2018 and a decrease of $1.0 million resulting from a decrease in the average foreign currency exchange rate in effect during the comparable reporting periods.

The increase in operating costs at our existing operations of $47.5 million for the three months ended September 30, 2019, assuming foreign currency parity, was comprised of an increase in labor expenses of $16.2 million due primarily to employee pay rate increases, an increase in truck, container, equipment and facility maintenance and repair expenses of $8.6 million due to parts and service rate increases and variability impacting the timing of major repairs, an increase in third-party trucking and transportation expenses of $4.5 million due primarily to outsourcing transportation services to third party operators at certain locations and increased rates charged by third parties to provide trucking and transportation services, an increase of $4.5 million resulting from higher costs per ton charged by third party processors of recyclable commodities, a $2.9 million increase in expenses for auto and workers’ compensation claims due primarily to higher adjustments recorded in the prior year period to decrease projected losses on outstanding claims, an increase in 401(k) matching expenses of $2.6 million due to our increasing the maximum matching contribution rate to our employees and higher credits recorded in the prior year period resulting from employee forfeitures, an increase in third party disposal expenses of $2.3 million due primarily to disposal rate increases exceeding the benefits of improved internalization of waste collected in our Southern and Eastern segments, an increase in taxes on revenues of $2.1 million due primarily to increased revenues in our solid waste markets, an increase in leachate disposal expenses of $1.5 million due to increased precipitation from harsh weather generating higher leachate volumes primarily in our Eastern and Southern segments as well as higher costs per gallon for leachate treatment, an increase in subcontracted operating expenses of $1.5 million due primarily to subcontracting certain operating activities at our E&P segment and an increase in equipment and facility rental expenses of $1.1 million due primarily to increased truck rental expenses in our Southern segment and the adoption on

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January 1, 2019 of new accounting standards associated with leases, partially offset by $0.3 million of other net expense decreases.

Total cost of operations increased $263.7 million, or 12.4%, to $2.385 billion for the nine months ended September 30, 2019, from $2.121 billion for the nine months ended September 30, 2018. The increase was primarily the result of $159.9 million of operating costs from acquisitions closed during, or subsequent to, the nine months ended September 30, 2018 and an increase in operating costs at our existing operations of $129.0 million, assuming foreign currency parity, partially offset by a decrease in operating costs of $16.1 million at operations divested during, or subsequent to, the nine months ended September 30, 2018 and a decrease of $9.1 million resulting from a decrease in the average foreign currency exchange rate in effect during the comparable reporting periods.

The increase in operating costs at our existing operations of $129.0 million for the nine months ended September 30, 2019, assuming foreign currency parity, was comprised of an increase in labor expenses of $37.3 million due primarily to employee pay rate increases, an increase in truck, container, equipment and facility maintenance and repair expenses of $23.7 million due to parts and service rate increases and variability impacting the timing of major repairs, an increase in third-party trucking and transportation expenses of $18.1 million due primarily to outsourcing transportation services to third party operators at certain locations and increased rates charged by third parties to provide trucking and transportation services, an increase of $9.8 million resulting from higher costs per ton charged by third party processors of recyclable commodities, an increase in 401(k) matching expenses of $6.3 million due to our increasing the maximum matching contribution rate to our employees and higher credits recorded in the prior year period resulting from employee forfeitures, an increase in leachate disposal expenses of $6.0 million due to increased precipitation from harsh weather generating higher leachate volumes primarily in our Eastern and Southern segments as well as higher costs per gallon for leachate treatment, an increase in taxes on revenues of $5.3 million due primarily to increased revenues in our solid waste markets, an increase in subcontracted operating expenses of $3.7 million due primarily to subcontracting certain operating activities at our E&P segment, an increase in diesel fuel expense of $3.5 million due primarily to the prior year period benefiting from purchasing a portion of our diesel fuel needs under a favorable fuel hedge agreement that expired in December 2018, an increase in compressed natural gas expense of $3.3 million due primarily to a non-recurring reduction in expense during the prior year period resulting from recording retroactive tax credits associated with purchases of compressed natural gas fuel, an increase in equipment and facility rental expenses of $2.8 million due primarily to increased truck rental expenses in our Southern segment and the adoption on January 1, 2019 of new accounting standards associated with leases, an increase in insurance premiums for our auto and workers’ compensation policies of $2.2 million due primarily to our growth from acquisitions and a non-recurring reduction in expense during the prior year period in our Canada segment resulting from an annual workers’ compensation premium audit, an increase in third party disposal expenses of $2.0 million due primarily to disposal rate increases exceeding the benefits of improved internalization of waste collected in our Southern and Eastern segments and $8.4 million of other net expense increases, partially offset by a $3.4 million decrease in intermodal expenses resulting from a decrease in intermodal cargo volume due to customer losses.

Cost of operations as a percentage of revenues increased 1.6 percentage points to 59.1% for the three months ended September 30, 2019, from 57.5% for the three months ended September 30, 2018. The increase as a percentage of revenues consisted of a 0.6 percentage point increase from the net impact of cost of operations expenses from acquisitions closed during, or subsequent to, the three months ended September 30, 2018, a 0.4 percentage point increase from higher labor expenses, a 0.3 percentage point increase from higher maintenance and repair expenses and a 0.3 percentage point increase from an increase in recyclable commodities processing expenses at third party locations.

Cost of operations as a percentage of revenues increased 1.3 percentage points to 59.2% for the nine months ended September 30, 2019, from 57.9% for the nine months ended September 30, 2018. The increase as a percentage of revenues consisted of a 0.5 percentage point increase from the net impact of cost of operations expenses from acquisitions closed during, or subsequent to, the nine months ended September 30, 2018, a 0.3 percentage point increase from higher maintenance and repair expenses, a 0.2 percentage point increase from higher third-party trucking and transportation expenses, a 0.2 percentage point increase from higher labor expenses, a 0.2 percentage point increase from higher 401(k) matching expenses and a 0.2 percentage point increase from an increase in recyclable commodities processing expenses, partially offset by a 0.3 percentage point decrease from improved internalization of collected waste volumes disposed at third party locations.

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SG&A.  SG&A expenses decreased $1.1 million, or 0.8%, to $137.9 million for the three months ended September 30, 2019, from $139.0 million for the three months ended September 30, 2018.  The decrease was comprised of a decrease of $7.3 million in SG&A expenses at our existing operations, assuming foreign currency parity, a decrease of $0.4 million consisting of SG&A expenses from operations divested during, or subsequent to, the three months ended September 30, 2018 and a decrease of $0.2 million resulting from a decrease in the average foreign currency exchange rate in effect during the comparable reporting periods, partially offset by $6.8 million of additional SG&A expenses from operating locations at acquisitions closed during, or subsequent to, the three months ended September 30, 2018.

The decrease in SG&A expenses at our existing operations, assuming foreign currency parity, of $7.3 million for the three months ended September 30, 2019 was comprised of a decrease of $5.0 million in equity-based compensation expenses associated with adjusting common shares of Waste Connections, Inc. held in our deferred compensation plan by certain key executives to fair value as a result of the shares being exchanged for other investment options, a further decrease in equity-based compensation expenses of $2.5 million for equity awards accounted for as liabilities that were granted to employees of Progressive Waste prior to June 1, 2016 which are subject to valuation adjustments each period based on changes in fair value, a decrease of $3.0 million in professional fees expense resulting primarily from reduced legal expenses resulting from the settlement of certain legal matters subsequent to September 30, 2018 and a decrease of $1.8 million in expenses for uncollectible accounts receivable resulting primarily from adjustments to prior period reserve estimates at our E&P segment, partially offset by an increase in payroll expenses $1.8 million as a result of increased headcount and annual pay increases, an increase in 401(k) matching expenses of $1.0 million due to our increasing the maximum matching contribution rate to our employees, an increase in direct acquisition expenses of $0.7 million due to higher acquisition activity, an increase in management training expenses of $0.8 million due to an expansion of our management training curriculum and an increase in equity-based compensation expenses of $0.7 million associated with our annual recurring grant of restricted share units to our personnel.

SG&A expenses increased $11.5 million, or 2.9%, to $410.1 million for the nine months ended September 30, 2019, from $398.6 million for the nine months ended September 30, 2018.  The increase was comprised of $19.6 million of additional SG&A expenses from operating locations at acquisitions closed during, or subsequent to, the nine months ended September 30, 2018, partially offset by a decrease of $5.2 million in SG&A expenses at our existing operations, assuming foreign currency parity, a decrease of $1.7 million resulting from a decrease in the average foreign currency exchange rate in effect during the comparable reporting periods and a decrease of $1.2 million consisting of SG&A expenses from operations divested during, or subsequent to, the nine months ended September 30, 2018.

The decrease in SG&A expenses at our existing operations of $5.2 million, assuming foreign currency parity, for the nine months ended September 30, 2019 was comprised of a decrease in professional fees expense of $11.4 million resulting primarily from reduced legal expenses resulting from the settlement of certain legal matters subsequent to September 30, 2018, a decrease of $5.0 million in equity-based compensation expenses associated with adjusting common shares of Waste Connections, Inc. held in our deferred compensation plan by certain key executives to fair value as a result of the shares being exchanged for other investment options, a further decrease in equity-based compensation expenses of $1.4 million associated with equity awards accounted for as liabilities that were granted to employees of Progressive Waste prior to June 1, 2016 which are subject to valuation adjustments each period based on changes in fair value, a decrease of $3.1 million in expenses for uncollectible accounts receivable resulting primarily from improved collection results in our solid waste segments and adjustments to prior period reserve estimates at our E&P segment and a decrease in integration-related expenses of $2.8 million incurred in the prior year period resulting from the acquisition of Progressive Waste, partially offset by an increase in equity-based compensation expenses of $6.7 million associated with our annual recurring grant of restricted share units to our personnel, an increase in direct acquisition expenses of $3.2 million due to higher acquisition activity, an increase in 401(k) matching expenses of $2.1 million due to our increasing the maximum matching contribution rate to our employees, an increase in deferred compensation expenses of $2.0 million as a result of increases in the market value of investments to which employee deferred compensation liability balances are tracked, an increase in accrued recurring cash incentive compensation expense to our management of $1.9 million, an increase in management training expenses of $1.4 million due to an expansion of our management training curriculum and $1.2 million of other net expense increases.

SG&A expenses as a percentage of revenues decreased 1.0 percentage points to 9.8% for the three months ended September 30, 2019, from 10.8% for the three months ended September 30, 2018. The decrease as a percentage of revenues

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consisted of a 0.4 percentage point decrease from lower equity-based compensation expenses associated with the exchange of shares held in our deferred compensation plan, a 0.3 percentage point decrease from lower legal expenses, a 0.2 percentage point decrease from lower equity-based compensation expenses for equity awards accounted for as liabilities and a 0.1 percentage point decrease from a reduction in expenses for uncollectible accounts receivable.

SG&A expenses as a percentage of revenues decreased 0.7 percentage points to 10.2% for the nine months ended September 30, 2019, from 10.9% for the nine months ended September 30, 2018. The decrease as a percentage of revenues consisted of a 0.4 percentage point decrease from lower legal expenses, a combined 0.2 percentage point decrease from lower equity-based compensation expenses associated with the exchange of shares held in our deferred compensation plan and equity awards accounted for as liabilities, a 0.1 percentage point decrease from lower expenses for uncollectible accounts receivable, a 0.1 percentage point decrease from integration-related expenses resulting from the acquisition of Progressive Waste and a 0.1 percentage point decrease from all other changes, partially offset by a 0.2 percentage point increase from increased equity-based compensation expenses associated with our annual recurring grant of restricted share units to our personnel.

Depreciation.  Depreciation expense increased $9.8 million, or 6.6%, to $158.0 million for the three months ended September 30, 2019, from $148.2 million for the three months ended September 30, 2018.  The increase was comprised of depreciation and depletion expense of $6.8 million from acquisitions closed during, or subsequent to, the three months ended September 30, 2018 and additional depletion expense of $4.7 million at our existing landfills due primarily to higher E&P and municipal solid waste volumes, partially offset by a decrease in depreciation expense at our existing operations of $1.4 million due primarily to the impact of certain equipment acquired from the acquisition of Progressive Waste becoming fully depreciated subsequent to September 30, 2018 exceeding the impact of additions to our fleet and equipment purchased to support our existing operations and a decrease of $0.3 million resulting from a decrease in the average foreign currency exchange rate in effect during the comparable reporting periods.

Depreciation expense increased $37.7 million, or 8.9%, to $461.6 million for the nine months ended September 30, 2019, from $423.9 million for the nine months ended September 30, 2018.  The increase was comprised of depreciation and depletion expense of $18.0 million from acquisitions closed during, or subsequent to, the nine months ended September 30, 2018, an increase in depletion expense of $13.8 million at our existing landfills due primarily to higher E&P and municipal solid waste volumes and additional depreciation expense of $8.1 million associated with additions to our fleet and equipment purchased to support our existing operations exceeding the impact of certain equipment acquired from the acquisition of Progressive Waste becoming fully depreciated subsequent to September 30, 2018, partially offset by a decrease of $2.2 million resulting from a decrease in the average foreign currency exchange rate in effect during the comparable reporting periods.

Depreciation expense as a percentage of revenues decreased 0.4 percentage points to 11.2% for the three months ended September 30, 2019, from 11.6% for the three months ended September 30, 2018. Depreciation expense as a percentage of revenues decreased 0.1 percentage points to 11.5% for the nine months ended September 30, 2019, from 11.6% for the nine months ended September 30, 2018. The decrease as a percentage of revenues for both periods was attributable to certain equipment acquired from the acquisition of Progressive Waste becoming fully depreciated subsequent to September 30, 2018.

Amortization of Intangibles.  Amortization of intangibles expense increased $5.0 million, or 18.8% to $31.9 million for the three months ended September 30, 2019, from $26.9 million for the three months ended September 30, 2018. The increase was the result of $7.9 million from intangible assets acquired in acquisitions closed during, or subsequent to, the three months ended September 30, 2018, partially offset by a decrease of $2.9 million from certain intangible assets becoming fully amortized subsequent to September 30, 2018.

Amortization of intangibles expense increased $14.4 million, or 18.1% to $93.8 million for the nine months ended September 30, 2019, from $79.4 million for the nine months ended September 30, 2018. The increase was the result of $23.0 million from intangible assets acquired in acquisitions closed during, or subsequent to, the nine months ended September 30, 2018, partially offset by a decrease of $7.9 million from certain intangible assets becoming fully amortized subsequent to September 30, 2018 and a decrease of $0.7 million resulting from a decrease in the average foreign currency exchange rate in effect during the comparable reporting periods.

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Amortization expense as a percentage of revenues increased 0.1 percentage points to 2.2% for the three months ended September 30, 2019, from 2.1% for the three months ended September 30, 2018.  Amortization expense as a percentage of revenues increased 0.1 percentage points to 2.3% for the nine months ended September 30, 2019, from 2.2% for the nine months ended September 30, 2018.  The increases as a percentage of revenues were due primarily to the impact of amortization expense associated with acquisitions closed during, or subsequent to, the three and nine months ended September 30, 2018.

Impairments and Other Operating Items.  Impairments and other operating items increased $14.9 million, to net losses totaling $12.9 million for the three months ended September 30, 2019, from net gains totaling $2.0 million for the three months ended September 30, 2018.

The net losses of $12.9 million recorded during the three months ended September 30, 2019 consisted of $8.0 million resulting from the abandonment of a landfill development project at our E&P segment, $3.5 million of losses on property and equipment that were disposed of through sales or as a result of being damaged in operations, $1.2 million of charges to terminate or write off the carrying cost of certain contracts that were not, or are not expected to be, renewed prior to their original estimated termination date and $0.2 million of other net charges.

The net gains of $2.0 million recorded during the three months ended September 30, 2018 consisted of the reversal of $6.3 million of expenses recognized in prior periods to adjust the carrying cost of assets held for disposal to fair market value due to modifications to our divestiture plan and changes in the fair market value of the divested operations, partially offset by $2.0 million of losses on trucks and equipment that were scrapped, disposed of through sales or disposed of as a result of being damaged in operations, $0.7 million of charges to write off the carrying cost of certain contracts that were not renewed prior to their original estimated termination date and $1.6 million of other net charges.

Impairments and other operating items increased $26.8 million, to net losses totaling $32.9 million for the nine months ended September 30, 2019, from net losses totaling $6.1 million for the nine months ended September 30, 2018.

The net losses of $32.9 million recorded during the nine months ended September 30, 2019 consisted of $14.3 million of charges to terminate or write off the carrying cost of certain contracts that were not, or are not expected to be, renewed prior to their original estimated termination date, $8.0 million resulting from the abandonment of a landfill development project at our E&P segment, $7.7 million of losses on property and equipment that were disposed of through sales or as a result of being damaged in operations, $1.7 million of expenses associated with the settlement of various litigation claims and a $1.5 million expense charge to increase the fair value of amounts payable under liability-classified contingent consideration arrangements from acquisitions closed in periods prior to 2018, partially offset by $0.3 million of other gains.

The net losses of $6.1 million recorded during the nine months ended September 30, 2018 consisted of $7.7 million of losses on trucks and equipment that were scrapped, disposed of through sales or disposed of as a result of being damaged in operations, $2.1 million of charges to write off the carrying cost of certain contracts that were not expected to be renewed prior to their original estimated termination date and $2.6 million of other net charges, partially offset by the reversal of $6.3 million of expenses recognized in prior periods to adjust the carrying cost of assets held for disposal to fair market value due to modifications to our divestiture plan and changes in the fair market value of the divested operations.

Operating Income.  Operating income increased $3.7 million, or 1.6%, to $236.6 million for the three months ended September 30, 2019, from $232.9 million for the three months ended September 30, 2018.  The increase was primarily attributable to operating income generated from acquisitions and price-led growth in our existing solid waste business, partially offset by an increase in impairments and other operating charges.

Operating income increased $11.3 million, or 1.8%, to $643.6 million for the nine months ended September 30, 2019, from $632.3 million for the nine months ended September 30, 2018.  The increase was primarily attributable to operating income generated from acquisitions, price-led growth in our existing solid waste business and gross margins recognized on E&P volume growth, partially offset by an increase in impairments and other operating charges.

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Operating income as a percentage of revenues decreased 1.4 percentage points to 16.8% for the three months ended September 30, 2019, from 18.2% for the three months ended September 30, 2018.  The decrease as a percentage of revenues was comprised of a 1.6 percentage point increase in cost of operations, a 1.1 percentage point increase in impairments and other operating items and a 0.1 percentage point increase in amortization expense, partially offset by a 1.0 percentage point decrease in SG&A expense and a 0.4 percentage point decrease in depreciation expense.

Operating income as a percentage of revenues decreased 1.3 percentage points to 16.0% for the nine months ended September 30, 2019, from 17.3% for the nine months ended September 30, 2018.  The decrease as a percentage of revenues was comprised of a 1.3 percentage point increase in cost of operations, a 0.7 percentage point increase in impairments and other operating items and a 0.1 percentage point increase in amortization expense, partially offset by a 0.7 percentage point decrease in SG&A expense and a 0.1 percentage point decrease in depreciation expense.

Interest Expense.  Interest expense increased $4.7 million, or 14.7%, to $36.8 million for the three months ended September 30, 2019, from $32.1 million for the three months ended September 30, 2018. The increase was primarily attributable to an increase of $5.3 million from the November 2018 issuance of our 2028 Senior Notes, an increase of $4.4 million from the April 2019 issuance of our 2029 Senior Notes, an increase of $0.5 million due to higher interest rates on outstanding borrowings under our Credit Agreement and $0.1 million of other net increases, partially offset by a decrease of $5.6 million due to a decrease in the average borrowings outstanding under our Credit Agreement.

Interest expense increased $14.4 million, or 14.9%, to $111.3 million for the nine months ended September 30, 2019, from $96.9 million for the nine months ended September 30, 2018. The increase was primarily attributable to an increase of $15.9 million from the November 2018 issuance of our 2028 Senior Notes, an increase of $8.0 million from the April 2019 issuance of our 2029 Senior Notes and an increase of $2.3 million due to higher interest rates on outstanding borrowings under our Credit Agreement, partially offset by a decrease of $10.7 million due to a decrease in the average borrowings outstanding under our Credit Agreement, a decrease of $0.5 million from the redemption of our 2018 Senior Notes using proceeds from our Credit Agreement and $0.6 million of other net decreases.

Interest Income.  Interest income increased $0.6 million, to $2.1 million for the three months ended September 30, 2019, from $1.5 million for the three months ended September 30, 2018. Interest income increased $3.5 million, to $7.2 million for the nine months ended September 30, 2019, from $3.7 million for the nine months ended September 30, 2018.  The increases were primarily attributable to higher reinvestment rates in the current period and higher average cash balances.

Other Income.  Other income decreased $0.6 million, to $0 for the three months ended September 30, 2019, from $0.6 million for the three months ended September 30, 2018. The decrease was due primarily to a decrease in income earned on investments purchased to fund our employee deferred compensation obligations.

Other income increased $2.5 million, to $4.6 million for the nine months ended September 30, 2019, from $2.1 million for the nine months ended September 30, 2018. The increase was due primarily to a $2.2 million increase in income earned on investments purchased to fund our employee deferred compensation obligations and a $1.1 million increase in foreign currency transaction gains, partially offset by a $0.8 million decrease in other net income sources.

Income Tax Provision.  Income taxes decreased $9.3 million, or 17.9%, to $42.8 million for the three months ended September 30, 2019, from $52.1 million for the three months ended September 30, 2018.  Our effective tax rate for the three months ended September 30, 2019 was 21.2%. Our effective tax rate for the three months ended September 30, 2018 was 25.7%.  Income taxes decreased $16.0 million, or 12.6%, to $110.5 million for the nine months ended September 30, 2019, from $126.5 million for the nine months ended September 30, 2018.  Our effective tax rate for the nine months ended September 30, 2019 was 20.3%. Our effective tax rate for the nine months ended September 30, 2018 was 23.4%.  

The income tax provision for the three and nine months ended September 30, 2019 included a $3.8 million expense primarily associated with a reduction in deferred income tax assets related to compensation of executive officers no longer deemed deductible for tax purposes.  Additionally, the income tax provision for the three and nine months ended September 30, 2019 included a benefit of $0.1 million and $5.4 million, respectively, from share-based payment awards being

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recognized in the income statement when settled, as well as a portion of our internal financing being taxed at effective rates substantially lower than the U.S. federal statutory rate.

The income tax provision for the three and nine months ended September 30, 2018 included a $6.6 million expense primarily associated with refinements to the estimates, as provided by Staff Accounting Bulletin No. 118, of the impact of a portion of our U.S. earnings no longer deemed to be permanently reinvested in conjunction with the Tax Cuts and Jobs Act, or the Tax Act.  The income tax provision for the nine months ended September 30, 2018 included a $5.6 million expense associated with the restructuring of our internal refinancing in conjunction with the Tax Act, as well as a $3.1 million benefit related to a reduction in our deferred income tax liabilities resulting from state legislation enacted in the current year and changes in our geographical apportionment due to acquisition activity.  Additionally, the income tax provision for the three and nine months ended September 30, 2018 included a benefit of $0.1 million and $4.9 million, respectively, from share-based payment awards being recognized in the income statement when settled and a portion of our internal financing is taxed at effective rates substantially lower than the U.S. federal statutory rate.

SEGMENT RESULTS

General

No single contract or customer accounted for more than 10% of our total revenues at the consolidated or reportable segment level during the periods presented. The following table disaggregates our revenue by service line for the periods indicated (dollars in thousands of U.S. dollars).

	Three Months Ended September 30,					Nine Months Ended September 30,
	2019		2018		2019		2018
Commercial	$	408,415	$	369,543	$	1,186,565	$	1,080,261
Residential		355,574		300,026		1,024,105		881,927
Industrial and construction roll off		226,801		202,130		629,597		573,877
Total collection		990,790		871,699		2,840,267		2,536,065
Landfill		310,633		285,945		852,073		790,056
Transfer		209,585		187,961		575,337		495,317
Recycling		14,142		23,371		50,676		69,559
E&P		70,874		68,049		205,743		189,071
Intermodal and other		26,520		34,261		90,491		105,588
Intercompany		(210,100)		(190,176)		(587,868)		(524,447)
Total	$	1,412,444	$	1,281,110	$	4,026,719	$	3,661,209

Our Chief Operating Decision Maker evaluates operating segment profitability and determines resource allocations based on several factors, of which the primary financial measure is segment EBITDA. We define segment EBITDA as earnings before interest, taxes, depreciation, amortization, impairments and other operating items and other income (expense). Segment EBITDA is not a measure of operating income, operating performance or liquidity under GAAP and may not be comparable to similarly titled measures reported by other companies. Our management uses segment EBITDA in the evaluation of segment operating performance as it is a profit measure that is generally within the control of the operating segments.

We manage our operations through five geographic operating segments and our E&P segment, which includes the majority of our E&P waste treatment and disposal operations. Our five geographic operating segments and our E&P segment comprise our reportable segments. Each operating segment is responsible for managing several vertically integrated operations, which are comprised of districts.  In the first quarter of 2019, we moved two districts from our Eastern segment to our Central segment because their location was closer in proximity to operations in our Central segment.  The segment information presented herein reflects the realignment of these districts.

At September 30, 2019, under the current orientation, our Eastern segment services customers located in northern Illinois, Kentucky, Maryland, Massachusetts, New Jersey, New York, North Carolina, Pennsylvania, Rhode Island, South Carolina, eastern Tennessee, Vermont, Virginia and Wisconsin; our Southern segment services customers located in

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Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, southern Oklahoma, western Tennessee and Texas; our Western segment services customers located in Alaska, California, Idaho, Montana, Nevada, Oregon, Washington and western Wyoming; our Central segment services customers located in Arizona, Colorado, southern Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, New Mexico, Oklahoma, South Dakota, western Texas, Utah and eastern Wyoming; and our Canada segment services customers located in the state of Michigan and in the provinces of Alberta, British Columbia, Manitoba, Ontario, Québec and Saskatchewan. The E&P segment services E&P customers located in Arkansas, Louisiana, New Mexico, North Dakota, Oklahoma, Texas, Wyoming and along the Gulf of Mexico.

Revenues, net of intercompany eliminations, for our reportable segments are shown in the following table in thousands of U.S. dollars and as a percentage of total revenues for the periods indicated:

	Three Months Ended September 30,								Nine Months Ended September 30,
	2019				2018				2019				2018
Eastern	$	330,887	23.4	%	$	284,865	22.2	%	$	947,334	23.5	%	$	788,912	21.5	%
Southern		305,188	21.6			283,040	22.1			890,532	22.1			839,489	22.9
Western		289,208	20.5			271,018	21.2			821,185	20.4			779,880	21.3
Central		230,074	16.3			189,903	14.8			626,312	15.6			527,486	14.4
Canada		190,820	13.5			187,054	14.6			547,694	13.6			543,867	14.9
E&P		66,267	4.7			65,230	5.1			193,662	4.8			181,575	5.0
	$	1,412,444	100.0	%	$	1,281,110	100.0	%	$	4,026,719	100.0	%	$	3,661,209	100.0	%

Segment EBITDA for our reportable segments is shown in the following table in thousands of U.S. dollars and as a percentage of segment revenues for the periods indicated:

	Three Months Ended September 30,								Nine Months Ended September 30,
	2019				2018				2019				2018
Western	$	90,059	31.1	%	$	86,174	31.8	%	$	253,504	30.9	%	$	240,006	30.8	%
Eastern		88,101	26.6	%		82,733	29.0	%		250,106	26.4	%		222,772	28.2	%
Southern		77,406	25.4	%		70,159	24.8	%		226,294	25.4	%		207,853	24.8	%
Central		81,746	35.5	%		71,276	37.5	%		219,280	35.0	%		195,018	37.0	%
Canada		66,794	35.0	%		68,819	36.8	%		193,702	35.4	%		195,390	35.9	%
E&P		35,803	54.0	%		35,099	53.8	%		100,845	52.1	%		95,009	52.3	%
Corporate(a)		(446)	—			(8,286)	—			(11,751)	—			(14,368)	—
	$	439,463	31.1	%	$	405,974	31.7	%	$	1,231,980	30.6	%	$	1,141,680	31.2	%

(a) Corporate functions include accounting, legal, tax, treasury, information technology, risk management, human resources, training and other administrative functions. Amounts reflected are net of allocations to the six operating segments.

A reconciliation of segment EBITDA to Income before income tax provision is included in Note 11 to our Condensed Consolidated Financial Statements included in Part 1, Item 1 of this report.

Significant changes in revenue and segment EBITDA for our reportable segments for the three and nine month periods ended September 30, 2019, compared to the three and nine month periods ended September 30, 2018, are discussed below:

Segment Revenue

Revenue in our Eastern segment increased $46.0 million, or 16.2%, to $330.9 million for the three months ended September 30, 2019, from $284.9 million for the three months ended September 30, 2018.  The components of the increase consisted of net revenue growth from acquisitions closed during, or subsequent to, the three months ended September 30, 2018, of $38.8 million and net price increases of $14.9 million, partially offset by solid waste volume decreases of $3.2 million attributable primarily to declines in transfer station volumes in our New York City market and reduced landfill municipal solid waste, decreased recyclable commodity sales of $4.3 million resulting from the impact of declines in prices for old corrugated cardboard and other fiber products and other revenue decreases of $0.2 million.

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Revenue in our Eastern segment increased $158.4 million, or 20.1%, to $947.3 million for the nine months ended September 30, 2019, from $788.9 million for the nine months ended September 30, 2018.  The components of the increase consisted of net revenue growth from acquisitions closed during, or subsequent to, the nine months ended September 30, 2018, of $124.6 million and net price increases of $44.0 million, partially offset by solid waste volume decreases of $1.6 million primarily due to declines in residential collection and transfer station volumes in our New York City market exceeding higher landfill municipal solid waste and special waste volumes, decreased recyclable commodity sales of $8.2 million resulting from the impact of declines in prices for old corrugated cardboard and other fiber products and other revenue decreases of $0.4 million.

Revenue in our Southern segment increased $22.2 million, or 7.8%, to $305.2 million for the three months ended September 30, 2019, from $283.0 million for the three months ended September 30, 2018.  The components of the increase consisted of net revenue growth from acquisitions closed during, or subsequent to, the three months ended September 30, 2018, of $16.8 million and net price increases of $14.3 million, partially offset by net revenue reductions from divestitures closed subsequent to September 30, 2018 of $5.8 million, solid waste volume decreases of $1.1 million primarily from declines in landfill municipal solid waste, decreased recyclable commodity sales of $1.1 million resulting from the impact of declines in prices for old corrugated cardboard and other fiber products and $0.9 million of other revenue decreases.

Revenue in our Southern segment increased $51.0 million, or 6.1%, to $890.5 million for the nine months ended September 30, 2019, from $839.5 million for the nine months ended September 30, 2018.  The components of the increase consisted of net price increases of $42.3 million and net revenue growth from acquisitions closed during, or subsequent to, the nine months ended September 30, 2018, of $43.7 million, partially offset by net revenue reductions from divestitures closed subsequent to September 30, 2018 of $18.8 million, solid waste volume decreases of $12.2 million primarily from declines in residential customers at certain locations acquired in the Progressive Waste acquisition and reductions in landfill municipal solid waste volumes, decreased recyclable commodity sales of $3.3 million resulting from the impact of declines in prices for old corrugated cardboard and other fiber products and other revenue decreases of $0.7 million.

Revenue in our Western segment increased $18.2 million, or 6.7%, to $289.2 million for the three months ended September 30, 2019, from $271.0 million for the three months ended September 30, 2018.  The components of the increase consisted of solid waste volume increases of $9.7 million due to the net impact of increases associated with landfill municipal solid waste, landfill special waste, residential collection and commercial collection, net price increases of $9.3 million and other revenue increases of $0.5 million, partially offset by decreased recyclable commodity sales of $1.3 million resulting from the impact of declines in prices for old corrugated cardboard and other fiber products.

Revenue in our Western segment increased $41.3 million, or 5.3%, to $821.2 million for the nine months ended September 30, 2019, from $779.9 million for the nine months ended September 30, 2018.  The components of the increase consisted of net price increases of $26.0 million and solid waste volume increases of $21.9 million due to the net impact of increases associated with landfill municipal solid waste, landfill special waste, residential collection and commercial collection and other revenue increases of $1.1 million, partially offset by decreased intermodal revenue of $3.6 million resulting from customer losses causing a reduction in cargo volume and decreased recyclable commodity sales of $4.1 million resulting from the impact of declines in prices for old corrugated cardboard and other fiber products.

Revenue in our Central segment increased $40.2 million, or 21.2%, to $230.1 million for the three months ended September 30, 2019, from $189.9 million for the three months ended September 30, 2018.  The components of the increase consisted of revenue growth from acquisitions closed during, or subsequent to, the three months ended September 30, 2018, of $25.5 million, net price increases of $10.6 million and volume increases of $4.8 million primarily due to increased roll off collection and landfill special waste, partially offset by other revenue decreases of $0.7 million.

Revenue in our Central segment increased $98.8 million, or 18.7%, to $626.3 million for the nine months ended September 30, 2019, from $527.5 million for the nine months ended September 30, 2018.  The components of the increase consisted of revenue growth from acquisitions closed during, or subsequent to, the nine months ended September 30, 2018, of $68.3 million, net price increases of $29.8 million and volume increases of $1.7 million primarily due to increased roll off collection and landfill special waste exceeding lower landfill municipal solid waste, partially offset by other revenue decreases of $1.0 million.

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Revenue in our Canada segment increased $3.7 million, or 2.0%, to $190.8 million for the three months ended September 30, 2019, from $187.1 million for the three months ended September 30, 2018. The components of the increase consisted of net price increases of $12.0 million and revenue growth from acquisitions closed during, or subsequent to, the three months ended September 30, 2018, of $1.2 million, partially offset by a decrease of $1.9 million resulting from a lower average foreign currency exchange rate in effect during the comparable reporting periods, a decrease of $5.6 million resulting from reduced demand causing a reduction in the prices for renewal energy credits associated with the generation of landfill gas and decreased recyclable commodity sales of $2.0 million resulting from the impact of declines in prices for old corrugated cardboard and other fiber products.

Revenue in our Canada segment increased $3.8 million, or 0.7%, to $547.7 million for the nine months ended September 30, 2019, from $543.9 million for the nine months ended September 30, 2018. The components of the increase consisted of net price increases of $32.4 million, revenue growth from acquisitions closed during, or subsequent to, the nine months ended September 30, 2018, of $4.5 million and $0.2 million of other revenue increases, partially offset by a decrease of $16.6 million resulting from a lower average foreign currency exchange rate in effect during the comparable reporting periods, a decrease of $9.1 million resulting from reduced demand causing a reduction in the prices for renewal energy credits associated with the generation of landfill gas, decreased recyclable commodity sales of $4.5 million resulting from the impact of declines in prices for old corrugated cardboard and other fiber products and solid waste volume decreases of $3.1 million primarily associated with losses in residential revenue resulting from the non-renewal of certain contracts acquired in the Progressive Waste acquisition.

Revenue in our E&P segment increased $1.1 million, or 1.6%, to $66.3 million for the three months ended September 30, 2019, from $65.2 million for the three months ended September 30, 2018. Revenue in our E&P segment increased $12.1 million, or 6.7%, to $193.7 million for the nine months ended September 30, 2019, from $181.6 million for the nine months ended September 30, 2018. The increases were due to increased drilling activity and E&P disposal volumes at the majority of basins we operate.  

Segment EBITDA

Segment EBITDA in our Western segment increased $3.9 million, or 4.5%, to $90.1 million for the three months ended September 30, 2019, from $86.2 million for the three months ended September 30, 2018.  The increase was due primarily to an increase in revenues of $18.2 million and a decrease in corporate overhead expense allocations of $1.1 million due to a decrease in the overhead allocation rate, partially offset by an increase in direct and administrative labor expenses of $4.4 million due primarily to employee pay rate increases, an increase of $2.1 million resulting from higher costs per ton charged by third party processors of recyclable commodities, an increase in disposal expenses of $2.0 million due primarily to higher residential and commercial collection volumes disposed at third party facilities, an increase in taxes on revenues of $2.0 million due primarily to higher landfill and collection revenues, an increase in third-party trucking and transportation expenses of $1.6 million due primarily to increased rates charged by third parties to provide trucking and transportation services, an increase in truck, container, equipment and facility maintenance and repair expenses of $1.5 million due to parts and service rate increases and variability impacting the timing of major repairs, a $1.3 million increase in expenses for auto and workers’ compensation claims due primarily to higher adjustments recorded in the prior year period to decrease projected losses on outstanding claims and an increase in 401(k) matching expenses of $0.5 million due to our increasing the maximum matching contribution rate to our employees.

Segment EBITDA in our Western segment increased $13.5 million, or 5.6%, to $253.5 million for the nine months ended September 30, 2019, from $240.0 million for the nine months ended September 30, 2018.  The increase was due primarily to an increase in revenues of $41.3 million, a decrease in intermodal expenses of $3.3 million resulting from a decrease in intermodal cargo volume due to customer losses and a decrease in corporate overhead expense allocations of $2.1 million due to a decrease in the overhead allocation rate, partially offset by an increase in direct and administrative labor expenses of $8.2 million due primarily to employee pay rate increases, an increase in taxes on revenues of $5.2 million due primarily to higher landfill and collection revenues, an increase in disposal expenses of $4.2 million due primarily to higher residential and commercial collection volumes disposed at third party facilities, an increase of $3.3 million resulting from higher costs per ton charged by third party processors of recyclable commodities, an increase in third-party trucking and transportation expenses of $3.2 million due primarily to increased rates charged by third parties to provide trucking and transportation services, an increase in truck, container, equipment and facility maintenance and

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repair expenses of $2.9 million due to parts and service rate increases and variability impacting the timing of major repairs, a $2.2 million increase in expenses for auto and workers’ compensation claims due primarily to higher adjustments recorded in the prior year period to decrease projected losses on outstanding claims, an increase in 401(k) matching expenses of $1.7 million due to our increasing the maximum matching contribution rate to our employees and $2.3 million of other net expense increases.

Segment EBITDA in our Eastern segment increased $5.4 million, or 6.5%, to $88.1 million for the three months ended September 30, 2019, from $82.7 million for the three months ended September 30, 2018.  The increase was due primarily to an increase in revenues of $46.0 million, partially offset by a net $31.2 million increase in cost of operations and SG&A expenses attributable to acquired operations, an increase in direct and administrative labor expenses of $2.8 million due primarily to employee pay rate increases, an increase of $1.9 million resulting from higher costs per ton charged by third party processors of recyclable commodities, a $1.8 million increase in expenses for auto and workers’ compensation claims due primarily to higher adjustments recorded in the prior year period to decrease projected losses on outstanding claims, an increase in truck, container, equipment and facility maintenance and repair expenses of $1.6 million due to parts and service rate increases and variability impacting the timing of major repairs, an increase in leachate disposal expenses of $0.8 million due to higher costs per gallon for leachate treatment and an increase in 401(k) matching expenses of $0.5 million due to our increasing the maximum matching contribution rate to our employees.

Segment EBITDA in our Eastern segment increased $27.3 million, or 12.3%, to $250.1 million for the nine months ended September 30, 2019, from $222.8 million for the nine months ended September 30, 2018.  The increase was due primarily to an increase in revenues of $158.4 million and a decrease in disposal expenses of $2.7 million due to improved internalization of collected volumes into our disposal locations, partially offset by a net $96.9 million increase in cost of operations and SG&A expenses attributable to acquired operations, an increase in truck, container, equipment and facility maintenance and repair expenses of $6.1 million due to parts and service rate increases and variability impacting the timing of major repairs, an increase in direct and administrative labor expenses of $6.0 million due primarily to employee pay rate increases, an increase in third-party trucking and transportation expenses of $5.4 million due primarily to increased rates charged by third parties to provide trucking and transportation services, an increase of $4.8 million resulting from higher costs per ton charged by third party processors of recyclable commodities, an increase in leachate disposal expenses of $3.5 million due to increased precipitation generating higher leachate volumes as well as higher costs per gallon for leachate treatment, an increase in expenses for auto and workers’ compensation claims of $3.2 million due primarily to higher adjustments recorded in the prior year period to reduce projected losses on outstanding claims, an increase in corporate overhead expense allocations of $2.1 million due to higher revenues for which overhead allocations are based, an increase in diesel fuel expense of $1.7 million due primarily to the prior year period benefiting from a favorable diesel fuel hedge agreement that expired in December 2018, an increase in 401(k) matching expenses of $1.5 million due to our increasing the maximum matching contribution rate to our employees, an increase in compressed natural gas expense of $0.9 million due primarily to a non-recurring reduction in expense during the prior year period resulting from recording retroactive tax credits associated with purchases of compressed natural gas fuel and $1.7 million of other net expense increases.

Segment EBITDA in our Southern segment increased $7.2 million, or 10.3%, to $77.4 million for the three months ended September 30, 2019, from $70.2 million for the three months ended September 30, 2018.  The increase was due to an increase in revenues of $28.0 million from organic growth and acquisitions and a decrease in third party disposal expenses of $1.4 million due to improved internalization of waste collected at certain operating locations in Florida and Louisiana, partially offset by a net $11.6 million increase in cost of operations and SG&A expenses attributable to acquired operations, an increase in direct and administrative labor expenses of $3.9 million due primarily to employee pay rate increases, an increase in truck, container, equipment and facility maintenance and repair expenses of $2.0 million due to parts and service rate increases and variability impacting the timing of major repairs, an increase in third-party trucking and transportation expenses of $1.5 million due primarily to increased rates charged by third parties to provide trucking and transportation services, an increase in 401(k) matching expenses of $0.8 million due to our increasing the maximum matching contribution rate to our employees, an increase in diesel fuel expense of $0.6 million due primarily to the prior year period benefiting from purchasing a portion of our diesel fuel needs under a favorable fuel hedge agreement that expired in December 2018, a decrease to EBITDA of $0.3 million from the impact of operations disposed of during, or subsequent to, the three months ended September 30, 2018 and $1.5 million of other net expense increases.

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Segment EBITDA in our Southern segment increased $18.4 million, or 8.9%, to $226.3 million for the nine months ended September 30, 2019, from $207.9 million for the nine months ended September 30, 2018.  The increase was due to an increase in revenues of $69.8 million from organic growth and acquisitions, a decrease in third party disposal expenses of $5.7 million due to improved internalization of waste collected at certain operating locations in Florida and Louisiana, a decrease in corporate overhead expense allocations of $2.1 million due to a decrease in the overhead allocation rate and $0.3 million of other expense decreases, partially offset by a net $27.6 million increase in cost of operations and SG&A expenses attributable to acquired operations, an increase in direct and administrative labor expenses of $8.9 million due primarily to employee pay rate increases, an increase in truck, container, equipment and facility maintenance and repair expenses of $7.3 million due to parts and service rate increases and variability impacting the timing of major repairs, an increase in third-party trucking and transportation expenses of $4.7 million due primarily to increased rates charged by third parties to provide trucking and transportation services, an increase in 401(k) matching expenses of $2.5 million due to our increasing the maximum matching contribution rate to our employees, an increase in leachate disposal expenses of $1.8 million due to increased precipitation generating higher leachate volumes as well as higher costs per gallon for leachate treatment, a decrease to EBITDA of $1.5 million from the impact of operations disposed of during, or subsequent to, the nine months ended September 30, 2018, an increase in diesel fuel expense of $1.5 million due primarily to the prior year period benefiting from purchasing a portion of our diesel fuel needs under a favorable fuel hedge agreement that expired in December 2018, an increase in compressed natural gas expense of $1.4 million due primarily to a non-recurring reduction in expense during the prior year period resulting from recording retroactive tax credits associated with purchases of compressed natural gas fuel, an increase in equipment and facility rental expenses of $1.3 million due primarily to increased truck rental expenses and the adoption on January 1, 2019 of new accounting standards associated with leases and an increase of $1.0 million resulting from higher costs per ton charged by third party processors of recyclable commodities.

Segment EBITDA in our Central segment increased $10.4 million, or 14.7%, to $81.7 million for the three months ended September 30, 2019, from $71.3 million for the three months ended September 30, 2018. The increase was due primarily to an increase in revenues of $40.2 million, partially offset by a net $21.6 million increase in cost of operations and SG&A expenses attributable to acquired operations, an increase in direct and administrative labor expenses of $2.9 million due primarily to employee pay rate increases, an increase in third-party trucking and transportation expenses of $1.9 million due primarily to transportation associated with increased landfill special waste volumes and increased rates charged by third parties to provide trucking and transportation services, an increase in truck, container, equipment and facility maintenance and repair expenses of $0.4 million due to the variability and timing of major repairs, an increase in 401(k) matching expenses of $0.4 million due to our increasing the maximum matching contribution rate to our employees and $2.6 million of other net expense increases.

Segment EBITDA in our Central segment increased $24.3 million, or 12.4%, to $219.3 million for the nine months ended September 30, 2019, from $195.0 million for the nine months ended September 30, 2018. The increase was due primarily to an increase in revenues of $98.8 million, partially offset by a net $55.0 million increase in cost of operations and SG&A expenses attributable to acquired operations, an increase in direct and administrative labor expenses of $6.1 million due primarily to employee pay rate increases, an increase in third-party trucking and transportation expenses of $5.9 million due primarily to outsourcing transportation services to third party operators at certain locations, transportation associated with increased landfill special waste volumes and increased rates charged by third parties to provide trucking and transportation services, an increase in disposal expenses of $1.8 million due to increased disposal rates and strategic adjustments to redirect certain collected waste to third party disposal facilities, an increase in truck, container, equipment and facility maintenance and repair expenses of $1.4 million due to the variability and timing of major repairs, an increase in 401(k) matching expenses of $1.4 million due to our increasing the maximum matching contribution rate to our employees, an increase in diesel fuel expense of $1.2 million due primarily to the prior year period benefiting from purchasing a portion of our diesel fuel needs under a favorable fuel hedge agreement that expired in December 2018, an increase in corporate overhead expense allocations of $1.0 million due to higher revenues for which overhead allocations are based and an increase in compressed natural gas expense of $0.7 million due primarily to a non-recurring reduction in expense during the prior year period resulting from recording retroactive tax credits associated with purchases of compressed natural gas fuel.

Segment EBITDA in our Canada segment decreased $2.0 million, or 2.9%, to $66.8 million for the three months ended September 30, 2019, from $68.8 million for the three months ended September 30, 2018.  The decrease was

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comprised of a decrease of $1.3 million assuming foreign currency parity during the comparable reporting periods and a decrease of $0.7 million from a decrease in the average foreign currency exchange rate in effect during the comparable reporting periods. The $1.3 million decrease, which assumes foreign currency parity, was due primarily to an increase in direct labor expenses of $2.7 million due primarily to a reduction in open employment positions and employee pay rate increases, an increase in truck, container, equipment and facility maintenance and repair expenses of $2.2 million due to the variability and timing of major repairs and an increase in third-party disposal expenses of $2.0 million due to higher disposal rates charged by operators, partially offset by an increase in revenues of $5.6 million.

Segment EBITDA in our Canada segment decreased $1.7 million, or 0.9%, to $193.7 million for the nine months ended September 30, 2019, from $195.4 million for the nine months ended September 30, 2018.  The decrease was comprised of $5.8 million from a reduction in the average foreign currency exchange rate in effect during the comparable reporting periods, partially offset by an increase of $4.1 million assuming foreign currency parity during the comparable reporting periods. The $4.1 million increase, which assumes foreign currency parity, was due primarily to an increase in revenues of $20.4 million, partially offset by an increase in direct labor expenses of $6.6 million due primarily to a reduction in open employment positions and employee pay rate increases, an increase in truck, container, equipment and facility maintenance and repair expenses of $4.6 million due to the variability and timing of major repairs, an increase in third-party disposal expenses of $4.5 million due to higher disposal rates charged by operators and other expense increases of $0.6 million.

Segment EBITDA in our E&P segment increased $0.7 million, or 2.0%, to $35.8 million for the three months ended September 30, 2019, from $35.1 million for the three months ended September 30, 2018.  The increase was due primarily to an increase in revenues of $1.1 million, a decrease of $1.2 million in expenses for uncollectible accounts receivable resulting primarily from adjustments to prior period reserve estimates and other expense decreases of $1.0 million, partially offset by an increase in direct labor expenses of $0.9 million due to employee pay rate increases and increased headcount to support higher disposal volumes, an increase in truck, container, equipment and facility maintenance and repair expenses of $0.9 million due to the variability and timing of major repairs and an increase in subcontracted operating expenses of $0.8 million due primarily to subcontracting certain operating activities to third parties.

Segment EBITDA in our E&P segment increased $5.8 million, or 6.1%, to $100.8 million for the nine months ended September 30, 2019, from $95.0 million for the nine months ended September 30, 2018.  The increase was due primarily to an increase in revenues of $12.1 million, partially offset by an increase in subcontracted operating expenses of $3.3 million due primarily to subcontracting certain operating activities to third parties, an increase in direct labor expenses of $1.9 million due to employee pay rate increases and increased headcount to support higher disposal volumes and an increase in truck, container, equipment and facility maintenance and repair expenses of $1.1 million due to the variability and timing of major repairs.

Segment EBITDA at Corporate increased $7.9 million, to a loss of $0.4 million for the three months ended September 30, 2019, from a loss of $8.3 million for the three months ended September 30, 2018.  The increase was due to a decrease of $5.0 million in equity-based compensation expenses associated with adjusting common shares of Waste Connections, Inc. held in our deferred compensation plan by certain key executives to fair value as a result of the shares being exchanged for other investment options, a further decrease in equity-based compensation expenses of $2.5 million for equity awards accounted for as liabilities that were granted to employees of Progressive Waste prior to June 1, 2016 which are subject to valuation adjustments each period based on changes in fair value, a decrease of $3.6 million in professional fees expense resulting primarily from reduced legal expenses resulting from the settlement of certain legal matters subsequent to September 30, 2018 and $0.9 million of other net expense decreases, partially offset by an increase in 401(k) matching expenses of $1.3 million due to credits recorded in the prior year period from employee forfeitures, a decrease in corporate overhead allocated to our segments of $0.8 million due to a reduction in allocable expenses, an increase in direct acquisition expenses of $0.7 million due to higher acquisition activity, an increase in equity-based compensation expenses of $0.7 million associated with our annual recurring grant of restricted share units to our personnel and an increase in management training expenses of $0.6 million due to an expansion of our management training curriculum.

Segment EBITDA at Corporate increased $2.6 million, to a loss of $11.8 million for the nine months ended September 30, 2019, from a loss of $14.4 million for the nine months ended September 30, 2018.  The increase was due to a decrease of $10.0 million in professional fees expense resulting primarily from reduced legal expenses resulting from the settlement

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of certain legal matters subsequent to September 30, 2018, a decrease of $5.0 million in equity-based compensation expenses associated with adjusting common shares of Waste Connections, Inc. held in our deferred compensation plan by certain key executives to fair value as a result of the shares being exchanged for other investment options, a further decrease in equity-based compensation expenses of $1.4 million for equity awards accounted for as liabilities that were granted to employees of Progressive Waste prior to June 1, 2016 which are subject to valuation adjustments each period based on changes in fair value and a decrease in integration-related expenses of $2.8 million incurred in the prior year period resulting from the acquisition of Progressive Waste, partially offset by an increase in equity-based compensation expenses of $6.7 million associated with our annual recurring grant of restricted share units to our personnel, an increase in direct acquisition expenses of $3.2 million due to higher acquisition activity, an increase in deferred compensation expenses of $2.0 million as a result of increases in the market value of investments to which employee deferred compensation liability balances are tracked, an increase in 401(k) matching expenses of $1.1 million due to credits recorded in the prior year period from employee forfeitures, an increase in management training expenses of $1.1 million due to an expansion of our management training curriculum, an increase in accrued recurring cash incentive compensation expense to our management of $1.0 million and $1.5 million of other net expense increases.

LIQUIDITY AND CAPITAL RESOURCES

The following table sets forth certain cash flow information for the nine months ended September 30, 2019 and 2018 (in thousands of U.S. dollars):

	Nine Months Ended
	September 30,
	2019		2018
Net cash provided by operating activities	$	1,185,430	$	1,037,792
Net cash used in investing activities		(885,672)		(870,446)
Net cash used in financing activities		(308,039)		(395,689)
Effect of exchange rate changes on cash, cash equivalents and restricted cash		143		(528)
Net decrease in cash, cash equivalents and restricted cash		(8,138)		(228,871)
Cash, cash equivalents and restricted cash at beginning of period		403,966		556,467
Plus: change in cash held for sale		—		192
Cash, cash equivalents and restricted cash at end of period	$	395,828	$	327,788

Operating Activities Cash Flows

For the nine months ended September 30, 2019, net cash provided by operating activities was $1.185 billion. For the nine months ended September 30, 2018, net cash provided by operating activities was $1.038 billion. The $147.6 million increase was due primarily to the following:

1) Increase in earnings — Our increase in net cash provided by operating activities was favorably impacted by $110.6 million from an increase in net income, excluding depreciation, intangible amortization, lease amortization, deferred taxes, equity based compensation, adjustments to and payments of contingent consideration recorded in earnings and impairments and other operating items, due primarily to the impact of acquisitions closed subsequent to September 30, 2018 and price-led earnings growth at certain solid waste segments.

2) Accounts payable and accrued liabilities — Our increase in net cash provided by operating activities was favorably impacted by $61.2 million from accounts payable and accrued liabilities due primarily to period end timing of payments to vendors for goods and services.

3) Accounts receivable — Our increase in net cash provided by operating activities was favorably impacted by $10.5 million from accounts receivable due to improved collection results.

4) Prepaid expenses – Our increase in net cash provided by operating activities was unfavorably impacted by $18.7 million from prepaid expenses due primarily to a higher utilization of prepaid income taxes during the prior year period.

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5) Other long-term liabilities – Our increase in net cash provided by operating activities was unfavorably impacted by $15.6 million from other long-term liabilities due primarily to lease payments resulting from our adoption of new accounting standards associated with leases.

As of September 30, 2019, we had a working capital surplus of $113.5 million, including cash and equivalents of $303.8 million.  Our working capital surplus decreased $118.7 million from a working capital surplus of $232.2 million at December 31, 2018, including cash and equivalents of $319.3 million, due primarily to decreased cash balances and the adoption of new accounting standards associated with leases requiring a current liability to be recorded for the portion of lease payments payable with the next twelve months. To date, we have experienced no loss or lack of access to our cash and equivalents; however, we can provide no assurances that access to our cash and equivalents will not be impacted by adverse conditions in the financial markets.  Our strategy in managing our working capital is generally to apply the cash generated from our operations that remains after satisfying our working capital and capital expenditure requirements, along with share repurchase and dividend programs, to reduce the unhedged portion of our indebtedness under our Credit Agreement and to minimize our cash balances.

Investing Activities Cash Flows

Net cash used in investing activities increased $15.3 million to $885.7 million for the nine months ended September 30, 2019, from $870.4 million for the nine months ended September 30, 2018. The significant components of the increase included the following:

1) An increase in capital expenditures of $60.0 million due to an increase in trucks and heavy equipment for operations owned in the comparable periods, increased additions to existing facilities and additional trucks and heavy equipment purchased for operations acquired subsequent to December 31, 2018; and

2) An increase in capital expenditures of $31.7 million due to the purchase of a greenfield landfill site in our Southern segment that will be developed into an operating location in the future; less

3) A decrease in cash paid for acquisitions of $79.7 million due primarily to a decrease in acquisitions closed during the nine months ended September 30, 2019.

Financing Activities Cash Flows

Net cash used in financing activities decreased $87.7 million to $308.0 million for the nine months ended September 30, 2019, from $395.7 million for the nine months ended September 30, 2018. The significant components of the decrease included the following:

1) A decrease from the net change in long-term borrowings of $59.6 million (long-term borrowings decreased $162.4 million during the nine months ended September 30, 2019 and decreased $222.0 million during the nine months ended September 30, 2018) due primarily to the availability of cash to repay outstanding obligations and higher repayments in the prior year of long term debt assumed and paid in full from acquisitions; and

2) A decrease in payments to repurchase our common shares of $42.0 million due to no shares being repurchased during the nine months ended September 30, 2019; less

3) An increase in cash dividends paid of $15.9 million due primarily to an increase in our quarterly dividend rate for the nine months ended September 30, 2019 to $0.16 per share, from $0.14 per share for the nine months ended September 30, 2018.

Our business is capital intensive. Our capital requirements include acquisitions and capital expenditures for landfill cell construction, landfill development, landfill closure activities and intermodal facility construction in the future.

On July 25, 2019, our Board of Directors approved, subject to receipt of regulatory approvals, the annual renewal of our normal course issuer bid, or the NCIB, to purchase up to 13,184,474 of our common shares during the period of August 8, 2019 to August 7, 2020 or until such earlier time as the NCIB is completed or terminated at our option. Shareholders may obtain a copy of our TSX Form 12 – Notice of Intention to Make a Normal Course Issuer Bid, without charge, by request directed to our Senior Vice President and Chief Financial Officer at (832) 442-2200.  The timing and amounts of any repurchases pursuant to the NCIB will depend on many factors, including our capital structure, the market

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price of our common shares and overall market conditions. All common shares purchased under the NCIB shall be immediately cancelled following their repurchase.  Information regarding our NCIB plan can be found under the “Shareholders’ Equity” section in Note 17 to the Condensed Consolidated Financial Statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q and is incorporated herein by reference.

Our Board of Directors authorized the initiation of a quarterly cash dividend in October 2010 and has increased it on an annual basis. In October 2018, our Board of Directors authorized an increase to our regular quarterly cash dividend of $0.02, from $0.14 to $0.16 per share. Cash dividends of $126.3 million and $110.4 million were paid during the nine months ended September 30, 2019 and 2018, respectively. We cannot assure you as to the amounts or timing of future dividends.

We made $433.5 million in capital expenditures for property and equipment during the nine months ended September 30, 2019, and we expect to make total capital expenditures for property and equipment of between $600 million and $625 million in 2019. In addition, we made a capital expenditure of $31.7 million for the purchase of a greenfield landfill site during the nine months ended September 30, 2019. We have funded and intend to fund the balance of our planned 2019 capital expenditures principally through cash on hand, internally generated funds and borrowings under our Credit Agreement. In addition, we may make substantial additional capital expenditures in acquiring municipal solid waste and E&P waste businesses. If we acquire additional landfill disposal facilities, we may also have to make significant expenditures to bring them into compliance with applicable regulatory requirements, obtain permits or expand our available disposal capacity. We cannot currently determine the amount of these expenditures because they will depend on the number, nature, condition and permitted status of any acquired landfill disposal facilities. We believe that our cash and equivalents, Credit Agreement and the funds we expect to generate from operations will provide adequate cash to fund our working capital and other cash needs for the foreseeable future. However, disruptions in the capital and credit markets could adversely affect our ability to draw on our Credit Agreement or raise other capital. Our access to funds under the Credit Agreement is dependent on the ability of the banks that are parties to the agreement to meet their funding commitments. Those banks may not be able to meet their funding commitments if they experience shortages of capital and liquidity or if they experience excessive volumes of borrowing requests within a short period of time.

As of September 30, 2019, $700.0 million under the term loan and $427.8 million under the revolving credit facility were outstanding under our Credit Agreement, exclusive of outstanding standby letters of credit of $121.9 million. Our Credit Agreement matures in March 2023.

On April 16, 2019, we completed an underwritten public offering of $500.0 million aggregate principal amount of our 3.50% Senior Notes due 2029, or the 2029 Senior Notes. The 2029 Senior Notes were issued under the Indenture, dated as of November 16, 2018, by and between the Company and U.S. Bank National Association, as trustee, as supplemented by the Second Supplemental Indenture, dated as of April 16, 2019.

 We will pay interest on the 2029 Senior Notes semi-annually, commencing on November 1, 2019, and the 2029 Senior Notes will mature on May 1, 2029.  The 2029 Senior Notes are our senior unsecured obligations, ranking equally in right of payment with our other existing and future unsubordinated debt and senior to any of our future subordinated debt.  The 2029 Senior Notes are not guaranteed by any of our subsidiaries.

See Note 10 to the Condensed Consolidated Financial Statements included in Part I, Item 1 of this Quarterly Report on Form 10-Q for further details on the debt agreement.

We are a well-known seasoned issuer with an effective shelf registration statement on Form S-3 filed in May 2018, which registers an unspecified amount of debt securities, including debentures, notes or other types of debt.   In the future, we may issue debt securities under our shelf registration statement or in private placements from time to time on an opportunistic basis, based on market conditions and available pricing. We expect to use the proceeds from any such offerings for general corporate purposes, including repaying, redeeming or repurchasing debt, acquiring additional assets or businesses, capital expenditures and increasing our working capital.

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As of September 30, 2019, we had the following contractual obligations:

	Payments Due by Period
	(amounts in thousands of U.S. dollars)
			Less Than		1 to 3				Over 5
Recorded Obligations	Total		1 Year		Years		3 to 5 Years		Years
Long-term debt	$	4,062,511	$	502	$	379,689	$	1,653,729	$	2,028,591
Cash interest payments	$	771,632	$	128,317	$	254,235	$	161,382	$	227,698
Contingent consideration	$	78,912	$	14,038	$	23,915	$	3,224	$	37,735
Final capping, closure and post-closure	$	1,508,736	$	17,676	$	33,745	$	17,666	$	1,439,649

____________________

Long-term debt payments include:

1) $427.8 million in principal payments due March 2023 related to our revolving credit facility under our Credit Agreement.  We may elect to draw amounts on our Credit Agreement in U.S. dollar LIBOR rate loans, U.S. dollar base rate loans, Canadian-based bankers’ acceptances, and Canadian dollar prime rate loans.  At September 30, 2019, $382.5 million of the outstanding borrowings drawn under the revolving credit facility were in U.S. LIBOR rate loans, which bear interest at the LIBOR rate plus the applicable margin (for a total rate of 3.14% on such date) and $45.3 million of the outstanding borrowings drawn under the revolving credit facility were in Canadian-based bankers’ acceptances, which bear interest at the Canadian Dollar Offered Rate plus the applicable acceptance fee (for a total rate of 3.05% on such date).

2) $700.0 million in principal payments due March 2023 related to our term loan under our Credit Agreement. Outstanding amounts on the term loan can be either base rate loans or LIBOR loans. At September 30, 2019, all amounts outstanding under the term loan were in LIBOR loans which bear interest at the LIBOR rate plus the applicable margin (for a total rate of 3.14% on such date).

3) $175.0 million in principal payments due 2019 related to our 2019 Senior Notes. The 2019 Senior Notes bear interest at a rate of 5.25%.  We have recorded this obligation in the payments due in 3 to 5 years category in the table above as we have the intent and ability to redeem the 2019 Senior Notes on November 1, 2019 using borrowings under our Credit Agreement.

4) $100.0 million in principal payments due 2021 related to our 2021 Senior Notes. The 2021 Senior Notes bear interest at a rate of 4.64%.

5) $150.0 million in principal payments due 2021 related to our New 2021 Senior Notes. The New 2021 Senior Notes bear interest at a rate of 2.39%.

6) $125.0 million in principal payments due 2022 related to our 2022 Senior Notes. The 2022 Senior Notes bear interest at a rate of 3.09%.

7) $200.0 million in principal payments due 2023 related to our 2023 Senior Notes. The 2023 Senior Notes bear interest at a rate of 2.75%.

8) $150.0 million in principal payments due 2024 related to our 2024 Senior Notes. The 2024 Senior Notes bear interest at a rate of 3.24%.

9) $375.0 million in principal payments due 2025 related to our 2025 Senior Notes. The 2025 Senior Notes bear interest at a rate of 3.41%.

10) $400.0 million in principal payments due 2026 related to our 2026 Senior Notes. The 2026 Senior Notes bear interest at a rate of 3.03%.

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11) $250.0 million in principal payments due 2027 related to our 2027 Senior Notes. The 2027 Senior Notes bear interest at a rate of 3.49%.

12) $500.0 million in principal payments due 2028 related to our 2028 Senior Notes. The 2028 Senior Notes bear interest at a rate of 4.250%.

13) $500.0 million in principal payments due 2029 related to our 2029 Senior Notes. The 2029 Senior Notes bear interest at a rate of 3.500%.

14) $9.7 million in principal payments related to our notes payable to sellers and other third parties. Our notes payable to sellers and other third parties bear interest at rates between 2.75% and 10.90% at September 30, 2019, and have maturity dates ranging from 2019 to 2036.

The following assumptions were made in calculating cash interest payments:

1) We calculated cash interest payments on the Credit Agreement using the LIBOR rate plus the applicable LIBOR margin and the Canadian Dollar Offered Rate plus the applicable acceptance fee at September 30, 2019. We assumed the Credit Agreement is paid off when it matures in March 2023.

2) We calculated cash interest payments on our interest rate swaps using the stated interest rate in the swap agreement less the LIBOR rate through the earlier expiration of the term of the swaps or the term of the credit facility.

Contingent consideration payments include $57.0 million recorded as liabilities in our Condensed Consolidated Financial Statements at September 30, 2019, and $21.9 million of future interest accretion on the recorded obligations.

The estimated final capping, closure and post-closure expenditures presented above are in current dollars.

	Amount of Commitment Expiration Per Period
	(amounts in thousands of U.S. dollars)
			Less Than		1 to 3		3 to 5		Over 5
Unrecorded Obligations(1)	Total		1 Year		Years		Years		Years
Operating leases	$	236,150	$	9,662	$	69,589	$	60,607	$	96,292
Unconditional purchase obligations	$	132,444	$	72,573	$	59,871	$	—	$	—

____________________

(1) We are party to operating lease agreements and unconditional purchase obligations. These lease agreements and purchase obligations are established in the ordinary course of our business and are designed to provide us with access to facilities and products at competitive, market-driven prices. At September 30, 2019, our unconditional purchase obligations consisted of multiple fixed-price fuel purchase contracts under which we have 50.4 million gallons remaining to be purchased for a total of $132.4 million. The current fuel purchase contracts expire on or before December 31, 2021. These arrangements have not materially affected our financial position, results of operations or liquidity during the nine months ended September 30, 2019, nor are they expected to have a material impact on our future financial position, results of operations or liquidity.

We have obtained financial surety bonds, primarily to support our financial assurance needs and landfill and E&P operations. We provided customers and various regulatory authorities with surety bonds in the aggregate amounts of approximately $1.068 billion and $977.6 million at September 30, 2019 and December 31, 2018, respectively. These arrangements have not materially affected our financial position, results of operations or liquidity during the nine months ended September 30, 2019, nor are they expected to have a material impact on our future financial position, results of operations or liquidity.

From time to time, we evaluate our existing operations and their strategic importance to us. If we determine that a given operating unit does not have future strategic importance, we may sell or otherwise dispose of those operations. Although we believe our reporting units would not be impaired by such dispositions, we could incur losses on them.

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The disposal tonnage that we received in the nine month periods ended September 30, 2019 and 2018, at all of our landfills during the respective period, is shown below (tons in thousands):

	Nine Months Ended September 30,
	2019		2018
	Number	Total	Number	Total
	of Sites	Tons	of Sites	Tons
Owned operational landfills and landfills operated under life-of-site agreements	92	35,412	89	33,387
Operated landfills	4	433	4	335
	96	35,845	93	33,722

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NON-GAAP FINANCIAL MEASURES

Adjusted Free Cash Flow

We present adjusted free cash flow, a non-GAAP financial measure, supplementally because it is widely used by investors as a valuation and liquidity measure in the solid waste industry. Management uses adjusted free cash flow as one of the principal measures to evaluate and monitor the ongoing financial performance of our operations. We define adjusted free cash flow as net cash provided by operating activities, plus or minus change in book overdraft, plus proceeds from disposal of assets, less capital expenditures for property and equipment and distributions to noncontrolling interests. We further adjust this calculation to exclude the effects of items management believes impact the ability to assess the operating performance of our business. This measure is not a substitute for, and should be used in conjunction with, GAAP liquidity or financial measures. Other companies may calculate adjusted free cash flow differently. Our adjusted free cash flow for the nine month periods ended September 30, 2019 and 2018, are calculated as follows (amounts in thousands of U.S. dollars):

	Nine Months Ended
	September 30,
	2019		2018
Net cash provided by operating activities	$	1,185,430	$	1,037,792
Plus (less): Change in book overdraft		1,911		(243)
Plus: Proceeds from disposal of assets		2,626		3,698
Less: Capital expenditures for property and equipment		(433,526)		(373,512)
Less: Distributions to noncontrolling interests		(117)		(103)
Adjustments:
Payment of contingent consideration recorded in earnings (a)		—		11
Cash received for divestitures (b)		(2,376)		(1,250)
Transaction-related expenses (c)		8,057		4,907
Integration-related and other expenses (d)		—		2,794
Pre-existing Progressive Waste share-based grants (e)		4,306		5,219
Tax effect (f)		(3,375)		(3,609)
Adjusted free cash flow	$	762,936	$	675,704

____________________

(a) Reflects the addback of acquisition-related payments for contingent consideration that were recorded as expenses in earnings and as a component of cash flows from operating activities as the amounts paid exceeded the fair value of the contingent consideration recorded at the acquisition date.

(b) Reflects the elimination of cash received in conjunction with the divestiture of certain Progressive Waste operations.

(c) Reflects the addback of acquisition-related transaction costs.

(d) Reflects the addback of integration-related items, including rebranding costs, associated with the Progressive Waste acquisition.

(e) Reflects the cash settlement of pre-existing Progressive Waste share-based awards during the period.

(f) The aggregate tax effect of footnotes (a) through (e) is calculated based on the applied tax rates for the respective periods.

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Adjusted EBITDA

We present adjusted EBITDA, a non-GAAP financial measure, supplementally because it is widely used by investors as a performance and valuation measure in the solid waste industry. Management uses adjusted EBITDA as one of the principal measures to evaluate and monitor the ongoing financial performance of our operations. We define adjusted EBITDA as net income attributable to Waste Connections, plus or minus net income (loss) attributable to noncontrolling interests, plus income tax provision, plus interest expense, less interest income, plus depreciation and amortization expense, plus closure and post-closure accretion expense, plus or minus any loss or gain on impairments and other operating items, plus other expense, less other income. We further adjust this calculation to exclude the effects of other items management believes impact the ability to assess the operating performance of our business. This measure is not a substitute for, and should be used in conjunction with, GAAP financial measures. Other companies may calculate adjusted EBITDA differently. Our adjusted EBITDA for the three and nine month periods ended September 30, 2019 and 2018, are calculated as follows (amounts in thousands of U.S. dollars):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Net income attributable to Waste Connections	$	159,109	$	150,843	$	433,579	$	414,393
Plus (less): Net income (loss) attributable to noncontrolling interests		(35)		(77)		(89)		218
Plus: Income tax provision		42,783		52,092		110,539		126,509
Plus: Interest expense		36,780		32,078		111,313		96,874
Less: Interest income		(2,056)		(1,467)		(7,186)		(3,677)
Plus: Depreciation and amortization		189,928		175,103		555,437		503,310
Plus: Closure and post-closure accretion		3,649		3,253		10,821		9,749
Plus (less): Impairments and other operating items		12,935		(1,998)		32,949		6,106
Plus (less): Other expense (income), net		19		(600)		(4,562)		(2,053)
Adjustments:
Plus: Transaction-related expenses (a)		1,036		323		8,057		4,907
Plus: Fair value changes to equity awards (b)		(589)		6,880		3,693		10,101
Plus: Integration-related and other expenses (c)		—		379		—		2,795
Adjusted EBITDA	$	443,559	$	416,809	$	1,254,551	$	1,169,232

____________________

(a) Reflects the addback of acquisition-related transaction costs.

(b) Reflects fair value accounting changes associated with certain equity awards.

(c) Reflects the addback of integration-related items, including rebranding costs, associated with the Progressive Waste acquisition.

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Adjusted Net Income Attributable to Waste Connections and Adjusted Net Income per Diluted Share Attributable to Waste Connections

We present adjusted net income attributable to Waste Connections and adjusted net income per diluted share attributable to Waste Connections, both non-GAAP financial measures, supplementally because they are widely used by investors as a valuation measure in the solid waste industry. Management uses adjusted net income attributable to Waste Connections and adjusted net income per diluted share attributable to Waste Connections as one of the principal measures to evaluate and monitor the ongoing financial performance of our operations. We provide adjusted net income attributable to Waste Connections to exclude the effects of items management believes impact the comparability of operating results between periods. Adjusted net income attributable to Waste Connections has limitations due to the fact that it excludes items that have an impact on our financial condition and results of operations. Adjusted net income attributable to Waste Connections and adjusted net income per diluted share attributable to Waste Connections are not a substitute for, and should be used in conjunction with, GAAP financial measures. Other companies may calculate these non-GAAP financial measures differently. Our adjusted net income attributable to Waste Connections and adjusted net income per diluted share attributable to Waste Connections for the three and nine month periods ended September 30, 2019 and 2018, are calculated as follows (amounts in thousands of U.S. dollars, except per share amounts):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Reported net income attributable to Waste Connections	$	159,109	$	150,843	$	433,579	$	414,393
Adjustments:
Amortization of intangibles (a)		31,934		26,871		93,821		79,444
Impairments and other operating items (b)		12,935		(1,998)		32,949		6,106
Transaction-related expenses (c)		1,036		323		8,057		4,907
Fair value changes to equity awards (d)		(589)		6,880		3,693		10,101
Integration-related and other expenses (e)		—		379		—		2,795
Tax effect (f)		(11,486)		(8,006)		(33,955)		(25,783)
Tax items (g)		—		6,578		—		9,093
Adjusted net income attributable to Waste Connections	$	192,939	$	181,870	$	538,144	$	501,056
Diluted earnings per common share attributable to Waste Connections’ common shareholders:
Reported net income	$	0.60	$	0.57	$	1.64	$	1.57
Adjusted net income	$	0.73	$	0.69	$	2.03	$	1.90

____________________

(a) Reflects the elimination of the non-cash amortization of acquisition-related intangible assets.

(b) Reflects the addback of impairments and other operating items.

(c) Reflects the addback of acquisition-related transaction costs.

(d) Reflects fair value accounting changes associated with certain equity awards.

(e) Reflects the addback of integration-related items, including rebranding costs, associated with the Progressive Waste acquisition.

(f) The aggregate tax effect of the adjustments in footnotes (a) through (e) is calculated based on the applied tax rates for the respective periods.

(g) Primarily reflects refinements to the estimates, as provided by Staff Accounting Bulletin No. 118, of the impact of a portion of our U.S. earnings no longer permanently reinvested in conjunction with the Tax Act.

INFLATION

Other than volatility in fuel prices, third party brokerage and labor costs in certain markets, inflation has not materially affected our operations in recent years. Consistent with industry practice, many of our contracts allow us to pass through certain costs to our customers, including increases in landfill tipping fees and, in some cases, fuel costs. Therefore, we believe that we should be able to increase prices to offset many cost increases that result from inflation in the ordinary course of business. However, competitive pressures or delays in the timing of rate increases under our contracts may require us to absorb at least part of these cost increases, especially if cost increases exceed the average rate of inflation. Management’s estimates associated with inflation have an impact on our accounting for landfill liabilities.

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SEASONALITY

We expect our operating results to vary seasonally, with revenues typically lowest in the first quarter, higher in the second and third quarters and lower in the fourth quarter than in the second and third quarters. This seasonality reflects (a) the lower volume of solid waste generated during the late fall, winter and early spring because of decreased construction and demolition activities during winter months in Canada and the U.S. and (b) reduced E&P activity during harsh weather conditions, with expected fluctuation due to such seasonality between our highest and lowest quarters of approximately 10% to 12%. In addition, some of our operating costs may be higher in the winter months. Adverse winter weather conditions slow waste collection activities, resulting in higher labor and operational costs. Greater precipitation in the winter increases the weight of collected municipal solid waste, resulting in higher disposal costs, which are calculated on a per ton basis.

Item 3.Quantitative and Qualitative Disclosures About Market Risk

In the normal course of business, we are exposed to market risk, including changes in interest rates and prices of certain commodities. We use hedge agreements to manage a portion of our risks related to interest rates and fuel prices. While we are exposed to credit risk in the event of non-performance by counterparties to our hedge agreements, in all cases such counterparties are highly rated financial institutions and we do not anticipate non-performance. We do not hold or issue derivative financial instruments for trading purposes. We monitor our hedge positions by regularly evaluating the positions at market and by performing sensitivity analyses over the unhedged fuel and variable rate debt positions.

At September 30, 2019, our derivative instruments included 16 interest rate swap agreements that effectively fix the interest rate on the applicable notional amounts of our variable rate debt as follows (dollars in thousands of U.S. dollars):

			Fixed		Variable
	Notional		Interest		Interest Rate		Expiration
Date Entered	Amount		Rate Paid*		Received	Effective Date	Date
May 2014	$	50,000	2.344	%	1-month LIBOR	October 2015	October 2020
May 2014	$	25,000	2.326	%	1-month LIBOR	October 2015	October 2020
May 2014	$	50,000	2.350	%	1-month LIBOR	October 2015	October 2020
May 2014	$	50,000	2.350	%	1-month LIBOR	October 2015	October 2020
April 2016	$	100,000	1.000	%	1-month LIBOR	February 2017	February 2020
June 2016	$	75,000	0.850	%	1-month LIBOR	February 2017	February 2020
June 2016	$	150,000	0.950	%	1-month LIBOR	January 2018	January 2021
June 2016	$	150,000	0.950	%	1-month LIBOR	January 2018	January 2021
July 2016	$	50,000	0.900	%	1-month LIBOR	January 2018	January 2021
July 2016	$	50,000	0.890	%	1-month LIBOR	January 2018	January 2021
August 2017	$	100,000	1.900	%	1-month LIBOR	July 2019	July 2022
August 2017	$	200,000	2.200	%	1-month LIBOR	October 2020	October 2025
August 2017	$	150,000	1.950	%	1-month LIBOR	February 2020	February 2023
June 2018	$	200,000	2.925	%	1-month LIBOR	October 2020	October 2025
June 2018	$	200,000	2.925	%	1-month LIBOR	October 2020	October 2025
December 2018	$	200,000	2.850	%	1-month LIBOR	July 2022	July 2027

____________________

* Plus applicable margin.

Under derivatives and hedging guidance, the interest rate swap agreements are considered cash flow hedges for a portion of our variable rate debt, and we apply hedge accounting to account for these instruments. The notional amounts and all other significant terms of the swap agreements are matched to the provisions and terms of the variable rate debt being hedged.

We have performed sensitivity analyses to determine how market rate changes will affect the fair value of our unhedged floating rate debt. Such an analysis is inherently limited in that it reflects a singular, hypothetical set of assumptions. Actual market movements may vary significantly from our assumptions. Fair value sensitivity is not

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necessarily indicative of the ultimate cash flow or earnings effect we would recognize from the assumed market rate movements. We are exposed to cash flow risk due to changes in interest rates with respect to the unhedged floating rate balances owed at September 30, 2019 and December 31, 2018, of $277.8 million and $885.0 million, respectively, including floating rate debt under our Credit Agreement and floating rate tax-exempt bond obligations. A one percentage point increase in interest rates on our variable-rate debt as of September 30, 2019 and December 31, 2018, would decrease our annual pre-tax income by approximately $2.8 million and $8.9 million, respectively. All of our remaining debt instruments are at fixed rates, or effectively fixed under the interest rate swap agreements described above; therefore, changes in market interest rates under these instruments would not significantly impact our cash flows or results of operations, subject to counterparty default risk.

The market price of diesel fuel is unpredictable and can fluctuate significantly.  Because of the volume of fuel we purchase each year, a significant increase in the price of fuel could adversely affect our business and reduce our operating margins.  To manage a portion of this risk, we periodically enter into fuel hedge agreements related to forecasted diesel fuel purchases, and we also enter into fixed price fuel purchase contracts.  At September 30, 2019, we had no fuel hedge agreements in place; however, we have entered into fixed price fuel purchase contracts for 2019 as described below.

For the year ending December 31, 2019, we expect to purchase approximately 73.9 million gallons of fuel, of which 45.3 million gallons will be purchased at market prices and 28.6 million gallons will be purchased under our fixed price fuel purchase contracts. We have performed sensitivity analyses to determine how market rate changes will affect the fair value of our unhedged, market rate diesel fuel purchases.  Such an analysis is inherently limited in that it reflects a singular, hypothetical set of assumptions.  Actual market movements may vary significantly from our assumptions.  Fair value sensitivity is not necessarily indicative of the ultimate cash flow or earnings effect we would recognize from the assumed market rate movements.  During the three month period of October 1, 2019 to December 31, 2019, we expect to purchase approximately 11.3 million gallons of fuel at market prices; therefore, a $0.10 per gallon increase in the price of fuel over the remaining three months in 2019 would decrease our pre-tax income during this period by approximately $1.1 million.

We market a variety of recyclable materials, including cardboard, mixed paper, plastic containers, glass bottles and ferrous and aluminum metals. We own and operate recycling operations and sell other collected recyclable materials to third parties for processing before resale. To reduce our exposure to commodity price risk with respect to recycled materials, we have adopted a pricing strategy of charging collection and processing fees for recycling volume collected from third parties. In the event of a decline in recycled commodity prices, a 10% decrease in average recycled commodity prices from the average prices that were in effect during the nine months ended September 30, 2019 and 2018, would have had a $4.9 million and $6.7 million impact on revenues for the nine months ended September 30, 2019 and 2018, respectively.

We have operations in Canada and, where significant, we have quantified and described the impact of foreign currency translation on components of income, including operating revenue and operating costs. However, the impact of foreign currency has not materially affected our results of operations in 2018 or 2019. A $0.01 change in the Canadian dollar to U.S. dollar exchange rate would impact our annual revenue and EBITDA by approximately $9.8 million and $3.6 million, respectively.

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Item 4.Controls and Procedures

As required by Rule 13a-15(b) under the U.S. Securities Exchange Act of 1934, as amended, or the Exchange Act, we carried out an evaluation, under the supervision and with the participation of our management, including our President and Chief Executive Officer and our Senior Vice President and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures (as such term is defined in Rule 13a-15(e) under the Exchange Act) as of the end of the fiscal quarter covered by this Quarterly Report on Form 10-Q. In designing and evaluating the disclosure controls and procedures, our management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives, and our management is required to apply its judgment in evaluating the cost-benefit relationship of possible controls and procedures.

Based on this evaluation, our President and Chief Executive Officer and our Senior Vice President and Chief Financial Officer concluded as of September 30, 2019, that our disclosure controls and procedures were effective at the reasonable assurance level such that information required to be disclosed in our Exchange Act reports:  (1) is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms; and (2) is accumulated and communicated to our management, including our President and Chief Executive Officer and Chief Financial Officer, as appropriate to allow timely decisions regarding required disclosure.

During the quarter ended September 30, 2019, there was no change in our internal control over financial reporting that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II – OTHER INFORMATION

Item 1.Legal Proceedings

Information regarding our legal proceedings can be found in Note 18 of our Condensed Consolidated Financial Statements included in Part I, Item 1 of this report and is incorporated herein by reference.

Item 6.Exhibits

Exhibit Number	Description of Exhibits
3.1	Articles of Amendment (incorporated by reference to Exhibit 3.1 of the Registrant’s Form 8-K filed on May 26, 2017)
3.2	Articles of Amalgamation (incorporated by reference to Exhibit 3.2 of the Registrant’s Form 8-K filed on June 7, 2016)
3.3	Articles of Amendment (incorporated by reference to Exhibit 3.1 of the Registrant’s Form 8-K filed on June 7, 2016)
3.4	By-law No. 1 of the Registrant (incorporated by reference to Exhibit 3.3 of the Registrant’s Form 8-K filed on June 7, 2016)
4.1	Indenture, dated as of November 16, 2018, by and between Waste Connections, Inc. and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.1 of the Registrant’s Form 8-K filed on November 16, 2018)
4.2	Second Supplemental Indenture, dated as of April 16, 2019, by and between Waste Connections, Inc. and U.S. Bank National Association, as trustee (incorporated by reference to Exhibit 4.2 of the Registrant’s Form 8-K filed on April 16, 2019)
10.1 +	Separation Benefits Plan Participation Letter Agreement by and between Waste Connections US, Inc. and Darrell W. Chambliss, effective July 25, 2019 (incorporated by reference to Exhibit 10.1 of the Registrant’s Form 10-Q filed on July 30, 2019)
10.2 +	Separation Benefits Plan Participation Letter Agreement by and between Waste Connections US, Inc. and James M. Little, effective July 25, 2019 (incorporated by reference to Exhibit 10.2 of the Registrant’s Form 10-Q filed on July 30, 2019)
10.3 +	Separation Benefits Plan Participation Letter Agreement by and between Waste Connections US, Inc. and Patrick J. Shea, effective July 25, 2019 (incorporated by reference to Exhibit 10.3 of the Registrant’s Form 10-Q filed on July 30, 2019)
31.1	Certification of Principal Executive Officer pursuant to Exchange Act Rules 13a-14(a)/15d-14(a)
31.2	Certification of Principal Financial Officer pursuant to Exchange Act Rules 13a-14(a)/15d-14(a)
32.1	Certification of Principal Executive Officer pursuant to 18 U.S.C. §1350
32.2	Certification of Principal Financial Officer pursuant to 18 U.S.C. §1350
101.INS	The instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Extension Calculation Linkbase Document
101.LAB	XBRL Taxonomy Extension Labels Linkbase Document
101.PRE	XBRL Taxonomy Extension Presentation Linkbase Document
101.DEF	XBRL Taxonomy Extension Definition Linkbase Document
104	Cover Page Interactive Data File – The cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.

+ Management contract or compensatory plan, contract or arrangement

68

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

	WASTE CONNECTIONS, INC.
Date: October 29, 2019	BY:	/s/ Worthing F. Jackman
		Worthing F. Jackman
		President and Chief Executive Officer
Date: October 29, 2019	BY:	/s/ Mary Anne Whitney
		Mary Anne Whitney
		Senior Vice President and Chief Financial Officer

69

EX-31.1

Exhibit 31.1

CERTIFICATION PURSUANT TO EXCHANGE ACT RULE 13a-14(a) OR RULE 15d-14(a) AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Worthing F. Jackman, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Waste Connections, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: October 29, 2019
	/s/ Worthing F. Jackman
	Worthing F. Jackman
	President and Chief Executive Officer (Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION PURSUANT TO EXCHANGE ACT RULE 13a-14(a) OR RULE 15d-14(a) AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Mary Anne Whitney, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Waste Connections, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a) all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: October 29, 2019
	/s/ Mary Anne Whitney
	Mary Anne Whitney
	Senior Vice President and Chief Financial Officer (Principal Financial Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

(Subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)

I,  Worthing F. Jackman, being the duly elected and acting President and Chief Executive Officer of Waste Connections, Inc., a corporation organized under the laws of Ontario, Canada (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

1. The Quarterly Report of the Company on Form 10-Q for the period ended September 30, 2019 (the “Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

9
Date: October 29, 2019	By:	/s/ Worthing F. Jackman
		Worthing F. Jackman
		President and Chief Executive Officer

The foregoing certification is being furnished solely to accompany the Report pursuant to 18 U.S.C. Section 1350, and shall not be deemed filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and shall not be deemed to be incorporated by reference into any filing of the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing, except to the extent that the Company specifically incorporates it by reference.

EX-32.2

Exhibit 32.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002

(Subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code)

I, Mary Anne Whitney, being the duly elected and acting Senior Vice President and Chief Financial Officer of Waste Connections, Inc., a corporation organized under the laws of Ontario, Canada (the “Company”), hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

1. The Quarterly Report of the Company on Form 10-Q for the period ended September 30, 2019 (the “Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: October 29, 2019	By:	/s/ Mary Anne Whitney
		Mary Anne Whitney
		Senior Vice President and
		Chief Financial Officer

The foregoing certification is being furnished solely to accompany the Report pursuant to 18 U.S.C. Section 1350, and shall not be deemed filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and shall not be deemed to be incorporated by reference into any filing of the Company, whether made before or after the date hereof, regardless of any general incorporation language in such filing, except to the extent that the Company specifically incorporates it by reference.

XML

Net Income Per Share Information (Tables)

9 Months Ended

Sep. 30, 2019

Net Income Per Share Information [Abstract]

Basic and Diluted Net Income Per Common Share

The following table sets forth the calculation of the numerator and denominator used in the computation of basic and diluted net income per common share attributable to the Company’s shareholders for the three and nine months ended September 30, 2019 and 2018:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Numerator:
Net income attributable to Waste Connections for basic and diluted earnings per share	$	159,109	$	150,843	$	433,579	$	414,393
Denominator:
Basic shares outstanding		263,853,681		263,628,838		263,768,258		263,657,274
Dilutive effect of equity-based awards		733,775		765,919		705,087		719,046
Diluted shares outstanding		264,587,456		264,394,757		264,473,345		264,376,320

XML

Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2019

Long-Term Debt [Abstract]

Long-Term Debt

The following table presents the Company’s long-term debt as of September 30, 2019 and December 31, 2018:

	September 30,		December 31,
	2019		2018
Revolver under Credit Agreement, bearing interest ranging from 3.05% to 3.14% (a)	$	427,806	$	481,610
Term loan under Credit Agreement, bearing interest at 3.14% (a)		700,000		1,237,500
5.25% Senior Notes due 2019 (b)		175,000		175,000
4.64% Senior Notes due 2021		100,000		100,000
2.39% Senior Notes due 2021		150,000		150,000
3.09% Senior Notes due 2022		125,000		125,000
2.75% Senior Notes due 2023		200,000		200,000
3.24% Senior Notes due 2024		150,000		150,000
3.41% Senior Notes due 2025		375,000		375,000
3.03% Senior Notes due 2026		400,000		400,000
3.49% Senior Notes due 2027		250,000		250,000
4.25% Senior Notes due 2028		500,000		500,000
3.50% Senior Notes due 2029		500,000		—
Tax-exempt bonds		—		15,930
Notes payable to sellers and other third parties, bearing interest ranging from 2.75% to 10.90%, principal and interest payments due periodically with due dates ranging from 2019 to 2036 (a)		9,705		14,653
		4,062,511		4,174,693
Less – current portion		(502)		(1,786)
Less – debt issuance costs		(22,604)		(19,442)
	$	4,039,405	$	4,153,465

____________________

(a) Interest rates represent the interest rates incurred at September 30, 2019.

(b) The Company has recorded the 2019 Senior Notes in long-term in the table above as the Company has the intent and ability to redeem the 2019 Senior Notes on November 1, 2019 using borrowings under the Credit Agreement.

Details of the Company's Credit Agreement

Details of the Credit Agreement are as follows:

	September 30,			December 31,
	2019			2018
Revolver under Credit Agreement
Available	$	1,012,786		$	955,779
Letters of credit outstanding	$	121,908		$	125,111
Total amount drawn, as follows:	$	427,806		$	481,610
Amount drawn - U.S. LIBOR rate loan	$	382,500		$	357,000
Interest rate applicable - U.S. LIBOR rate loan		3.14	%		3.62	%
Amount drawn – Canadian bankers’ acceptance	$	45,306		$	124,610
Interest rate applicable – Canadian bankers’ acceptance		3.05	%		3.40	%
Commitment – rate applicable		0.12	%		0.12	%
Term loan under Credit Agreement
Amount drawn – U.S. based LIBOR loan	$	700,000		$	1,237,500
Interest rate applicable – U.S. based LIBOR loan		3.14	%		3.62	%

XML

Segment Reporting

9 Months Ended

Sep. 30, 2019

Segment Reporting [Abstract]

Segment Reporting

11.SEGMENT REPORTING

The Company’s revenues are generated from the collection, transfer, recycling and disposal of non-hazardous solid waste and the treatment, recovery and disposal of non-hazardous E&P waste. No single contract or customer accounted for more than 10% of the Company’s total revenues at the consolidated or reportable segment level during the periods presented.

The Company manages its operations through five geographic operating segments and its E&P segment, which includes the majority of the Company’s E&P waste treatment and disposal operations. The Company’s five geographic operating segments and its E&P segment comprise the Company’s reportable segments. Each operating segment is responsible for managing several vertically integrated operations, which are comprised of districts.  In the first quarter of 2019, the Company moved two districts from the Eastern segment to the Central segment because their locations in Iowa were closer in proximity to operations in the Company’s Central segment.  The segment information presented herein reflects the realignment of these districts.

Under the current orientation, the Company’s Eastern segment services customers located in northern Illinois, Kentucky, Maryland, Massachusetts, New Jersey, New York, North Carolina, Pennsylvania, Rhode Island, South Carolina, eastern Tennessee, Vermont, Virginia and Wisconsin; the Company’s Southern segment services customers located in Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, southern Oklahoma, western Tennessee and Texas; the Company’s Western segment services customers located in Alaska, California, Idaho, Montana, Nevada, Oregon, Washington and western Wyoming; the Company’s Central segment services customers located in Arizona, Colorado, southern Illinois, Iowa, Kansas, Minnesota, Missouri, Nebraska, New Mexico, Oklahoma, South Dakota, western Texas, Utah and eastern Wyoming; and the Company’s Canada segment services customers located in the state of Michigan and in the provinces of Alberta, British Columbia, Manitoba, Ontario, Québec and Saskatchewan. The E&P segment services

E&P customers located in Arkansas, Louisiana, New Mexico, North Dakota, Oklahoma, Texas, Wyoming and along the Gulf of Mexico.

The Company’s Chief Operating Decision Maker evaluates operating segment profitability and determines resource allocations based on several factors, of which the primary financial measure is segment EBITDA. The Company defines segment EBITDA as earnings before interest, taxes, depreciation, amortization, impairments and other operating items, and other income (expense). Segment EBITDA is not a measure of operating income, operating performance or liquidity under GAAP and may not be comparable to similarly titled measures reported by other companies. The Company’s management uses segment EBITDA in the evaluation of segment operating performance as it is a profit measure that is generally within the control of the operating segments. A reconciliation of segment EBITDA to Income before income tax provision is included at the end of this Note 11.

Summarized financial information concerning the Company’s reportable segments for the three and nine months ended September 30, 2019 and 2018, is shown in the following tables:

Three Months Ended			Intercompany		Reported		Segment
September 30, 2019	Revenue		Revenue(b)		Revenue		EBITDA(c)
Eastern	$	399,936	$	(69,049)	$	330,887	$	88,101
Southern		347,630		(42,442)		305,188		77,406
Western		324,859		(35,651)		289,208		90,059
Central		262,737		(32,663)		230,074		81,746
Canada		217,879		(27,059)		190,820		66,794
E&P		69,503		(3,236)		66,267		35,803
Corporate(a)		—		—		—		(446)
	$	1,622,544	$	(210,100)	$	1,412,444	$	439,463

Three Months Ended			Intercompany		Reported		Segment
September 30, 2018	Revenue		Revenue(b)		Revenue		EBITDA(c)
Eastern	$	349,212	$	(64,347)	$	284,865	$	82,733
Southern		321,306		(38,266)		283,040		70,159
Western		303,614		(32,596)		271,018		86,174
Central		218,124		(28,221)		189,903		71,276
Canada		211,682		(24,628)		187,054		68,819
E&P		67,348		(2,118)		65,230		35,099
Corporate(a)		—		—		—		(8,286)
	$	1,471,286	$	(190,176)	$	1,281,110	$	405,974

Nine Months Ended			Intercompany		Reported		Segment
September 30, 2019	Revenue		Revenue(b)		Revenue		EBITDA(c)
Eastern	$	1,137,258	$	(189,924)	$	947,334	$	250,106
Southern		1,011,572		(121,040)		890,532		226,294
Western		922,737		(101,552)		821,185		253,504
Central		715,997		(89,685)		626,312		219,280
Canada		624,470		(76,776)		547,694		193,702
E&P		202,553		(8,891)		193,662		100,845
Corporate(a)		—		—		—		(11,751)
	$	4,614,587	$	(587,868)	$	4,026,719	$	1,231,980

Nine Months Ended			Intercompany		Reported		Segment
September 30, 2018	Revenue		Revenue(b)		Revenue		EBITDA(c)
Eastern	$	953,165	$	(164,253)	$	788,912	$	222,772
Southern		951,313		(111,824)		839,489		207,853
Western		874,464		(94,584)		779,880		240,006
Central		604,823		(77,337)		527,486		195,018
Canada		615,157		(71,290)		543,867		195,390
E&P		186,734		(5,159)		181,575		95,009
Corporate(a)		—		—		—		(14,368)
	$	4,185,656	$	(524,447)	$	3,661,209	$	1,141,680

____________________

(a) Corporate functions include accounting, legal, tax, treasury, information technology, risk management, human resources, training and other administrative functions. Amounts reflected are net of allocations to the six operating segments.

(b) Intercompany revenues reflect each segment’s total intercompany sales, including intercompany sales within a segment and between segments. Transactions within and between segments are generally made on a basis intended to reflect the market value of the service.

(c) For those items included in the determination of segment EBITDA, the accounting policies of the segments are the same as those described in the Company’s most recent Annual Report on Form 10-K.

Total assets for each of the Company’s reportable segments at September 30, 2019 and December 31, 2018, were as follows:

	September 30,		December 31,
	2019		2018
Eastern	$	2,737,208	$	2,673,316
Southern		2,994,260		2,892,994
Western		1,697,050		1,596,129
Central		1,884,207		1,506,326
Canada		2,454,152		2,412,971
E&P		962,761		969,808
Corporate		540,597		575,785
Total Assets	$	13,270,235	$	12,627,329

The following tables show changes in goodwill during the nine months ended September 30, 2019 and 2018, by reportable segment:

	Eastern		Southern		Western		Central		Canada		E&P		Total
Balance as of December 31, 2018	$	1,143,355	$	1,517,610	$	398,174	$	523,566	$	1,448,980	$	—	$	5,031,685
Goodwill transferred		(16,869)		—		—		16,869		—		—		—
Goodwill acquired		22,146		10,329		1,334		189,194		25		—		223,028
Goodwill divested		—		(845)		—		—		—		—		(845)
Impact of changes in foreign currency		—		—		—		—		43,688		—		43,688
Balance as of September 30, 2019	$	1,148,632	$	1,527,094	$	399,508	$	729,629	$	1,492,693	$	—	$	5,297,556

	Eastern		Southern		Western		Central		Canada		E&P		Total
Balance as of December 31, 2017	$	804,133	$	1,436,320	$	397,508	$	468,275	$	1,575,538	$	—	$	4,681,774
Goodwill transferred		(16,869)		—		—		16,869		—		—		—
Goodwill acquired		122,136		4,800		666		42,197		151		—		169,950
Goodwill adjustment for assets held for sale		—		10,194		—		—		—		—		10,194
Impact of changes in foreign currency		—		—		—		—		(48,622)		—		(48,622)
Balance as of September 30, 2018	$	909,400	$	1,451,314	$	398,174	$	527,341	$	1,527,067	$	—	$	4,813,296

A reconciliation of the Company’s primary measure of segment profitability (segment EBITDA) to Income before income tax provision in the Condensed Consolidated Statements of Net Income is as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Eastern segment EBITDA	$	88,101	$	82,733	$	250,106	$	222,772
Southern segment EBITDA		77,406		70,159		226,294		207,853
Western segment EBITDA		90,059		86,174		253,504		240,006
Central segment EBITDA		81,746		71,276		219,280		195,018
Canada segment EBITDA		66,794		68,819		193,702		195,390
E&P segment EBITDA		35,803		35,099		100,845		95,009
Subtotal reportable segments		439,909		414,260		1,243,731		1,156,048
Unallocated corporate overhead		(446)		(8,286)		(11,751)		(14,368)
Depreciation		(157,994)		(148,232)		(461,616)		(423,866)
Amortization of intangibles		(31,934)		(26,871)		(93,821)		(79,444)
Impairments and other operating items		(12,935)		1,998		(32,949)		(6,106)
Interest expense		(36,780)		(32,078)		(111,313)		(96,874)
Interest income		2,056		1,467		7,186		3,677
Other income (expense), net		(19)		600		4,562		2,053
Income before income tax provision	$	201,857	$	202,858	$	544,029	$	541,120

XML

New Accounting Standards

9 Months Ended

Sep. 30, 2019

New Accounting Standards [Abstract]

New Accounting Standards

3.NEW ACCOUNTING STANDARDS

Accounting Standards Adopted

Lease Accounting.  In February 2016, the Financial Accounting Standards Board (“FASB”) issued guidance that requires lessees to recognize a right-of-use asset and a lease liability for virtually all of their leases (other than leases that meet the definition of a short-term lease).  The liability will be equal to the present value of lease payments.  The asset will be based on the liability, subject to adjustment, such as for initial direct costs.  For income statement purposes, the FASB retained a dual model, requiring leases to be classified as either operating or finance.  Operating leases will result in straight-line expense (similar to current operating leases) while finance leases will result in a front-loaded expense pattern (similar to current capital leases).  Classification will be based on criteria that are largely similar to those applied in current lease accounting, but without explicit bright lines.  The new standard was effective for public companies for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2018, with early adoption permitted.  The FASB issued new guidance in July 2018, which amended the guidance to allow the issuer to elect from two adoption alternatives: 1) apply the new guidance at the beginning of the earliest comparative period presented; or 2) apply the new guidance at the effective date and recognize a cumulative-effect adjustment, without adjusting the comparative periods presented.  

The Company adopted the new standard on January 1, 2019 and elected to apply the new guidance at the effective date and recognize a cumulative-effect adjustment, without adjusting the comparative periods presented.  The Company applied the package of practical expedients to leases that commenced before the effective date whereby the Company elected not to reassess the following: (1) whether any expired or existing contracts are or contain leases; (2) the lease classification for any expired or existing leases; and (3) whether initial direct costs exist for any existing leases.  The Company also applied the (1) practical expedient for land easements where the Company elected to not apply the leases standard to certain existing land easements at transition and (2) practical expedient to include both the lease and nonlease components as a single component and account for it as a lease.  The Company has completed its assessment of the provisions of the lease accounting guidance and implementation of its leasing software solution to manage and account for leases under the new standard. 

	As Reported December 31, 2018		Adoption of Lease Guidance Increase (Decrease)		Balance January 1, 2019
Operating lease right-of-use assets	$	-	$	206,501	$	206,501
Total assets	$	12,627,329	$	206,501	$	12,833,830
Current portion of operating lease liabilities	$	-	$	29,640	$	29,640
Total current liabilities	$	860,709	$	29,640	$	890,349
Long-term portion of operating lease liabilities	$	-	$	180,005	$	180,005
Deferred income taxes	$	760,033	$	(1,066)	$	758,967
Total liabilities	$	6,167,141	$	208,579	$	6,375,720
Retained earnings	$	2,264,510	$	(2,078)	$	2,262,432
Total liabilities and equity	$	12,627,329	$	206,501	$	12,833,830

The adoption of the new standard did not have a material impact on the Company’s consolidated statements of net income or consolidated statements of cash flows.  See Note 9 for additional information and disclosures related to the adoption of this amended guidance.

Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities.  In August 2017, the FASB issued guidance which improves the financial reporting of hedging relationships to better portray the economic results of an entity's risk management activities in its financial statements and make certain targeted improvements to simplify the application of the hedge accounting guidance in current GAAP. The amendments in this update are intended to better align an entity's risk management activities and financial reporting for hedging relationships through changes to both the designation and measurement guidance for qualifying hedging relationships and presentation of hedge results. The effective date for the standard is for fiscal years beginning after December 15, 2018.  The adoption of this guidance, effective January 1, 2019, did not have a material impact on the Company’s consolidated financial statements.

Derivatives and Hedging: Inclusion of the Secured Overnight Financing Rate (“SOFR”) Overnight Index Swap (“OIS”) Rate as a Benchmark Interest Rate for Hedge Accounting.  As LIBOR is expected to no longer be published by 2021, the FASB issued guidance in October 2018 which added the OIS rate based on SOFR as an eligible benchmark interest rate in order to facilitate the LIBOR to SOFR transition and provide sufficient lead time for entities to prepare for changes to interest rate risk hedging strategies for both risk management and hedge accounting purposes.  The Company adopted the new guidance effective January 1, 2019 on a prospective basis.  The Company is developing a plan to transition its interest rate swaps from LIBOR to SOFR.  The adoption of this guidance did not have a material impact on the Company’s consolidated financial statements.

SEC Simplified and Updated Disclosure Requirements.  In August 2018, the U.S. Securities and Exchange Commission (the “SEC”) amended its rules to require an analysis of changes in stockholders’ equity in the financial

statements included in Quarterly Reports on Form 10-Q.  The analysis, which can be presented as a note or separate statement, is required for the current and comparative quarter and year-to-date interim periods.  The amended rules became effective on November 15, 2018.  In addition, the SEC’s Division of Corporation Finance issued a Compliance and Disclosure Interpretation (the “CDI”) that provides transition guidance related to this new disclosure.  For calendar year-end companies, the CDI allows a filer the option to first present the changes in stockholders’ equity in its Form 10-Q for the quarter ending March 31, 2019.  The Company elected this option and has included the statement of shareholders’ equity within this Form 10-Q.

SEC modernizes and simplifies certain Regulation S-K disclosure requirements.  In March 2019, the SEC amended its rules to modernize and simplify certain disclosure requirements in Regulation S-K and the related rules and forms. These changes include, among other things, (1) allowing registrants to redact confidential information from most exhibits to their filings without filing a confidential treatment request; (2) revising the requirements for management’s discussion and analysis to allow flexibility, including allowing registrants providing three years of financial statements to omit discussion of the earliest year and cross-reference its discussion in a previous filing; (3) removing the example risk factors in Regulation S-K to encourage more meaningful company-specific disclosure; (4) clarifying the description of property requirements to emphasize that those disclosures should only include properties that are material to the registrant; and (5) requiring XBRL data tagging for items on the cover pages of certain filings, as well as the use of hyperlinks for information that is incorporated by reference and available on EDGAR.  The provisions regarding the redaction of confidential information in exhibits were effective upon publication in the Federal Register. The provisions requiring XBRL data tagging are subject to a three-year phase-in, depending on the filing status of the registrant, which, for the Company, were effective for the period ending June 30, 2019.  All other provisions were effective on May 2, 2019.

Accounting Standards Pending Adoption

Financial Instruments - Credit Losses: Measurement of Credit Losses on Financial Instruments.  In June 2016, the FASB issued guidance which introduces a new forward-looking approach, based on expected losses, to estimate credit losses on certain types of financial instruments, including trade receivables, which will require entities to incorporate considerations of historical information, current information and reasonable and supportable forecasts.  The standard will be effective for public business entities that are SEC filers for annual periods beginning after December 15, 2019 and interim periods within those years.  Early adoption is permitted.  The Company does not expect the adoption of this guidance to have a material impact on its consolidated financial statements.

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Acquisitions

9 Months Ended

Sep. 30, 2019

Acquisitions [Abstract]

Acquisitions

7.ACQUISITIONS

The Company acquired 13 individually immaterial non-hazardous solid waste collection, transfer and disposal businesses during the nine months ended September 30, 2019.  The total acquisition-related costs incurred during the nine months ended September 30, 2019 for these acquisitions was $8,057. These expenses are included in Selling, general and administrative expenses in the Company’s Condensed Consolidated Statements of Net Income.

The Company acquired 15 individually immaterial non-hazardous solid waste collection, recycling, transfer and disposal businesses during the nine months ended September 30, 2018. The purchase price for one of these acquisitions included contingent consideration of $11,593, representing the fair value of up to $12,582 of amounts payable to the former owners based on the achievement of certain operating targets specified in the asset purchase agreement. The fair value of the contingent consideration was determined using probability assessments of the expected future cash flows over the three-year period in which the obligation is expected to be settled, and applying a discount rate of 2.7%.  As of September 30, 2019, the obligation recognized at the purchase date has not materially changed.  Any changes in the fair value of the contingent consideration subsequent to the acquisition date will be charged or credited to expense until the contingency is settled.  The total acquisition-related costs incurred during the nine months ended September 30, 2018 for these acquisitions was $4,907. These expenses are included in Selling, general and administrative expenses in the Company’s Condensed Consolidated Statements of Net Income.

The results of operations of the acquired businesses have been included in the Company’s Condensed Consolidated Financial Statements from their respective acquisition dates. The Company expects these acquired businesses to contribute towards the achievement of the Company’s strategy to expand through acquisitions. Goodwill acquired is attributable to the synergies and ancillary growth opportunities expected to arise after the Company’s acquisition of these businesses.

The following table summarizes the consideration transferred to acquire these businesses and the preliminary amounts of identifiable assets acquired and liabilities assumed at the acquisition dates for the acquisitions consummated in the nine months ended September 30, 2019 and 2018:

	2019		2018
	Acquisitions		Acquisitions
Fair value of consideration transferred:
Cash	$	420,392	$	500,064
Debt assumed		50,574		65,010
		470,966		565,074
Recognized amounts of identifiable assets acquired and liabilities assumed associated with businesses acquired:
Accounts receivable		15,042		12,817
Prepaid expenses and other current assets		5,079		2,355
Property and equipment		210,105		346,275
Long-term franchise agreements and contracts		14,838		10,888
Customer lists		28,467		27,330
Permits and other intangibles		17,835		31,183
Other assets		7		19
Accounts payable and accrued liabilities		(11,310)		(3,982)
Deferred revenue		(9,128)		(4,169)
Contingent consideration		(1,003)		(11,669)
Other long-term liabilities		(8,707)		(15,532)
Deferred income taxes		(13,287)		(391)
Total identifiable net assets		247,938		395,124
Goodwill	$	223,028	$	169,950

Goodwill acquired during the nine months ended September 30, 2019 and 2018, totaling $81,903 and $169,559, respectively, is expected to be deductible for tax purposes.

The fair value of acquired working capital related to ten individually immaterial acquisitions completed during the twelve months ended September 30, 2019, is provisional pending receipt of information from the acquirees to support the fair value of the assets acquired and liabilities assumed. Any adjustments recorded relating to finalizing the working capital for these ten acquisitions are not expected to be material to the Company’s financial position.

The gross amount of trade receivables due under contracts acquired during the nine months ended September 30, 2019, is $16,469, of which $1,427 is expected to be uncollectible. The gross amount of trade receivables due under contracts acquired during the nine months ended September 30, 2018, is $14,015, of which $1,198 is expected to be uncollectible. The Company did not acquire any other class of receivable as a result of the acquisitions of these businesses.

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Shareholders' Equity (Summary of Activity Related to Restricted Stock Units) (Detail)	9 Months Ended
	Sep. 30, 2019 shares
Restricted Stock Units (RSUs) [Member]
Unvested shares
Outstanding, shares at beginning	987,563
Granted	341,459
Forfeited	(46,503)
Vested and issued	(413,877)
Outstanding at ending	247,999
Outstanding, shares at ending	868,642
Performance Shares [Member]
Unvested shares
Outstanding, shares at beginning	532,086
Granted	152,656
Vested and issued	(180,258)
Outstanding, shares at ending	504,484
Progressive Waste Solutions Ltd. [Member] | Restricted Stock Units (RSUs) [Member]
Unvested shares
Outstanding at beginning	122,259
Cash settled	(46,023)
Forfeited	(2,352)
Outstanding at ending	73,884
Progressive Waste Solutions Ltd. [Member] | Performance Shares [Member]
Unvested shares
Outstanding at beginning	22,791
Cash settled	(22,791)

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Fair Value Measurements (Fair Value for Level 3 Liabilities) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 54,615	$ 47,285
Contingent consideration recorded at acquisition date	1,003	11,669
Payment of contingent consideration recorded at acquisition date	(1,621)	(5,459)
Payment of contingent consideration recorded in earnings		(11)
Adjustments to contingent consideration	1,466	349
Interest accretion expense	1,383	1,308
Ending balance	56,954	55,024
Foreign Currency Translation Adjustment [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Foreign currency translation adjustment	$ 108	$ (117)

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Commitments and Contingencies (Narrative) (Detail) T in Millions			7 Months Ended	9 Months Ended	12 Months Ended
	Aug. 10, 2018 USD ($)	Mar. 06, 2018 USD ($)	Jul. 25, 2017 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2016 T	Dec. 31, 2014 USD ($)
Contingencies And Commitments [Line Items]
Estimated clean up costs						$ 342,000,000
Bridge and Thoroughfare Fee [Member]
Contingencies And Commitments [Line Items]
Loss contingency amount sought		$ 83,000	$ 11,600,000
Noncompliance fee		$ 750
Fee paid	$ 11,600,000
Chiquita Canyon, LLC [Member]
Contingencies And Commitments [Line Items]
Annual tons of waste accepted at landfill | T					3
Estimate of total new fees and other new taxes over the life of the conditional use permit				$ 300,000,000
Environmental Remediation Expense [Member]
Contingencies And Commitments [Line Items]
Estimated period to implement clean-up				seven years
Required period of monitoring following the clean-up				10 years
Penalties [Member] | Bridge and Thoroughfare Fee [Member]
Contingencies And Commitments [Line Items]
Fee paid	83,000
Fees [Member] | Bridge and Thoroughfare Fee [Member]
Contingencies And Commitments [Line Items]
Fee paid	$ 750

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Leases (Future Minimum Lease Payments) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019
Future minimum lease payments as calculated under the new lease guidance
Last 3 months of 2019	$ 9,662
2020	36,429
2021	33,160
2022	31,906
2023	28,701
Thereafter	96,292
Minimum lease payments	236,150
Less: imputed interest	(39,641)
Present value of minimum lease payments	196,509
Less: current portion of operating lease liabilities	(30,162)	$ (29,640)
Long-term portion of operating lease liabilities	$ 166,347	$ 180,005

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Long-Term Debt 2029 Senior Notes (Narrative) (Detail) - Senior notes - Senior Notes due 2029 [Member] - USD ($) $ in Thousands		9 Months Ended
	Apr. 16, 2019	Sep. 30, 2019
Aggregate principal amount	$ 500,000
Interest rate	3.50%	3.50%
Maturity date	May 01, 2029
Debt Instrument, Covenant Compliance		As of September 30, 2019, the Company was in compliance with all applicable covenants in the Indenture.
Minimum [Member]
Debt instrument, redemption price, percentage		100.00%
Maximum [Member]
Debt instrument, redemption price, percentage		101.00%

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Net Income Per Share Information (Basic and Diluted Net Income Per Common Share) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Numerator:
Net income attributable to Waste Connections for basic and diluted earnings per share	$ 159,109	$ 150,843	$ 433,579	$ 414,393
Denominator:
Basic shares outstanding	263,853,681	263,628,838	263,768,258	263,657,274
Dilutive effect of equity-based awards	733,775	765,919	705,087	719,046
Diluted shares outstanding	264,587,456	264,394,757	264,473,345	264,376,320

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Segment Reporting (Total Assets for Reportable Segments) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
Segment Reporting Information [Line Items]
Assets	$ 13,270,235	$ 12,833,830	$ 12,627,329
Eastern [Member]
Segment Reporting Information [Line Items]
Assets	2,737,208		2,673,316
Southern [Member]
Segment Reporting Information [Line Items]
Assets	2,994,260		2,892,994
Western [Member]
Segment Reporting Information [Line Items]
Assets	1,697,050		1,596,129
Central [Member]
Segment Reporting Information [Line Items]
Assets	1,884,207		1,506,326
Canada [Member]
Segment Reporting Information [Line Items]
Assets	2,454,152		2,412,971
Exploration and Production [Member]
Segment Reporting Information [Line Items]
Assets	962,761		969,808
Corporate [Member]
Segment Reporting Information [Line Items]
Assets	$ 540,597		$ 575,785

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Derivative Financial Instruments (Company's Derivative Instruments of Interest Rate Swaps) (Details) - LIBOR [Member] $ in Thousands	9 Months Ended
	Sep. 30, 2019 USD ($)
Interest Rate Swap One [Member]
Derivative [Line Items]
Date entered	2014-05
Notional amount	$ 50,000
Fixed interest rate paid	2.344%	[1]
Variable interest rate received	1-month LIBOR
Effective date	2015-10
Expiration date	2020-10
Interest Rate Swap Two [Member]
Derivative [Line Items]
Date entered	2014-05
Notional amount	$ 25,000
Fixed interest rate paid	2.326%	[1]
Variable interest rate received	1-month LIBOR
Effective date	2015-10
Expiration date	2020-10
Interest Rate Swap Three [Member]
Derivative [Line Items]
Date entered	2014-05
Notional amount	$ 50,000
Fixed interest rate paid	2.35%	[1]
Variable interest rate received	1-month LIBOR
Effective date	2015-10
Expiration date	2020-10
Interest Rate Swap Four [Member]
Derivative [Line Items]
Date entered	2014-05
Notional amount	$ 50,000
Fixed interest rate paid	2.35%	[1]
Variable interest rate received	1-month LIBOR
Effective date	2015-10
Expiration date	2020-10
Interest Rate Swap Five [Member]
Derivative [Line Items]
Date entered	2016-04
Notional amount	$ 100,000
Fixed interest rate paid	1.00%	[1]
Variable interest rate received	1-month LIBOR
Effective date	2017-02
Expiration date	2020-02
Interest Rate Swap Six [Member]
Derivative [Line Items]
Date entered	2016-06
Notional amount	$ 75,000
Fixed interest rate paid	0.85%	[1]
Variable interest rate received	1-month LIBOR
Effective date	2017-02
Expiration date	2020-02
Interest Rate Swap Seven [Member]
Derivative [Line Items]
Date entered	2016-06
Notional amount	$ 150,000
Fixed interest rate paid	0.95%	[1]
Variable interest rate received	1-month LIBOR
Effective date	2018-01
Expiration date	2021-01
Interest Rate Swap Eight [Member]
Derivative [Line Items]
Date entered	2016-06
Notional amount	$ 150,000
Fixed interest rate paid	0.95%	[1]
Variable interest rate received	1-month LIBOR
Effective date	2018-01
Expiration date	2021-01
Interest Rate Swap Nine [Member]
Derivative [Line Items]
Date entered	2016-07
Notional amount	$ 50,000
Fixed interest rate paid	0.90%	[1]
Variable interest rate received	1-month LIBOR
Effective date	2018-01
Expiration date	2021-01
Interest Rate Swap Ten [Member]
Derivative [Line Items]
Date entered	2016-07
Notional amount	$ 50,000
Fixed interest rate paid	0.89%	[1]
Variable interest rate received	1-month LIBOR
Effective date	2018-01
Expiration date	2021-01
Interest Rate Swap Eleven [Member]
Derivative [Line Items]
Date entered	2017-08
Notional amount	$ 100,000
Fixed interest rate paid	1.90%	[1]
Variable interest rate received	1-month LIBOR
Effective date	2019-07
Expiration date	2022-07
Interest Rate Swap Twelve [Member]
Derivative [Line Items]
Date entered	2017-08
Notional amount	$ 200,000
Fixed interest rate paid	2.20%	[1]
Variable interest rate received	1-month LIBOR
Effective date	2020-10
Expiration date	2025-10
Interest Rate Swap Thirteen [Member]
Derivative [Line Items]
Date entered	2017-08
Notional amount	$ 150,000
Fixed interest rate paid	1.95%	[1]
Variable interest rate received	1-month LIBOR
Effective date	2020-02
Expiration date	2023-02
Interest Rate Swap Fourteen [Member]
Derivative [Line Items]
Date entered	2018-06
Notional amount	$ 200,000
Fixed interest rate paid	2.925%	[1]
Variable interest rate received	1-month LIBOR
Effective date	2020-10
Expiration date	2025-10
Interest Rate Swap Fifteen [Member]
Derivative [Line Items]
Date entered	2018-06
Notional amount	$ 200,000
Fixed interest rate paid	2.925%	[1]
Variable interest rate received	1-month LIBOR
Effective date	2020-10
Expiration date	2025-10
Interest Rate Swap Sixteen [Member]
Derivative [Line Items]
Date entered	2018-12
Notional amount	$ 200,000
Fixed interest rate paid	2.85%	[1]
Variable interest rate received	1-month LIBOR
Effective date	2022-07
Expiration date	2027-07

[1] Plus applicable margin.

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Acquisitions (Summary of Consideration Transferred to Acquire Businesses and Amounts of Identifiable Assets Acquired, Liabilities Assumed and Noncontrolling Interests) (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Fair value of consideration transferred:
Cash	$ 420,392	$ 500,064
Consideration transferred	470,966	565,074
Recognized amounts of identifiable assets acquired and liabilities assumed associated with businesses acquired:
Accounts receivable	15,042	12,817
Prepaid expenses and other current assets	5,079	2,355
Property and equipment	210,105	346,275
Other assets	7	19
Deferred revenue	(9,128)	(4,169)
Other long-term liabilities	(8,707)	(15,532)
Deferred income taxes	(13,287)	(391)
Total identifiable net assets	247,938	395,124
Goodwill	223,028	169,950
Accounts Payable and Accrued Liabilities [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed associated with businesses acquired:
Accounts payable and accrued liabilities	(11,310)	(3,982)
Debt [Member]
Fair value of consideration transferred:
Liabilities incurred	50,574	65,010
Contingent Consideration [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed associated with businesses acquired:
Other long-term liabilities	(1,003)	(11,669)
Contracts [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed associated with businesses acquired:
Intangibles	14,838	10,888
Customer Lists [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed associated with businesses acquired:
Intangibles	28,467	27,330
Other Intangibles [Member]
Recognized amounts of identifiable assets acquired and liabilities assumed associated with businesses acquired:
Intangibles	$ 17,835	$ 31,183

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Revenue (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Capitalized contract costs	$ 16,900	$ 16,900
Minimum [Member]
Estimated life of relevant customer relationship	1 year
Maximum [Member]
Estimated life of relevant customer relationship	5 years

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Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net income (loss)	$ 159,074	$ 150,766	$ 433,490	$ 414,611
Other comprehensive income (loss), before tax:
Foreign currency translation adjustment	(24,911)	35,455	60,404	(67,349)
Other comprehensive income (loss), before tax	(42,367)		(3,332)
Other comprehensive income (loss), gross total, before ASU 2017-12		39,082		(50,805)
Income tax (expense) benefit related to items of other comprehensive income (loss)	4,626	(985)	16,890	(4,405)
Other comprehensive income (loss), net of tax	(37,741)	38,097	13,558	(55,210)
Comprehensive income	121,333	188,863	447,048	359,401
Plus (less): Comprehensive loss (income) attributable to noncontrolling interests	35	77	89	(218)
Comprehensive income attributable to Waste Connections	121,368	188,940	447,137	359,183
Interest Rate Swap [Member]
Other comprehensive income (loss), before tax:
Amounts reclassified, gross	(1,974)		(6,918)
Amounts reclassified, gross, before ASU 2017-12		4,279		2,407
Change in fair value, gross	$ (15,482)		$ (56,818)
Changes in fair value, gross, before ASU 2017-12		863		15,828
Fuel [Member] | Commodity Contract [Member]
Other comprehensive income (loss), before tax:
Amounts reclassified, gross, before ASU 2017-12		(1,810)		(4,647)
Changes in fair value, gross, before ASU 2017-12		$ 295		$ 2,956

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Fair Value Measurements

9 Months Ended

Sep. 30, 2019

Fair Value [Abstract]

Fair Value Measurements

15.FAIR VALUE MEASUREMENTS

The Company uses a three-tier fair value hierarchy to classify and disclose all assets and liabilities measured at fair value on a recurring basis in periods subsequent to their initial measurement. These tiers include:  Level 1, defined as quoted market prices in active markets for identical assets or liabilities; Level 2, defined as inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices for similar assets or liabilities, quoted prices in markets that are not active, model-based valuation techniques for which all significant assumptions are observable in the market,

or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and Level 3, defined as unobservable inputs that are not corroborated by market data.

The Company’s financial assets and liabilities recorded at fair value on a recurring basis include derivative instruments and restricted cash and investments. At September 30, 2018, the Company’s derivative instruments included pay-fixed, receive-variable interest rate swaps and pay-fixed, receive-variable diesel fuel hedges. At September 30, 2019 and December 31, 2018, the Company’s derivative instruments included pay-fixed, receive-variable interest rate swaps. The Company’s interest rate swaps are recorded at their estimated fair values based on quotes received from financial institutions that trade these contracts. The Company verifies the reasonableness of these quotes using similar quotes from another financial institution as of each date for which financial statements are prepared. The Company uses a discounted cash flow (“DCF”) model to determine the estimated fair value of the diesel fuel hedges. The assumptions used in preparing the DCF model include:  (i) estimates for the forward DOE index curve; and (ii) the discount rate based on risk-free interest rates over the term of the hedge contracts. The DOE index curve used in the DCF model was obtained from financial institutions that trade these contracts. Significant increases (decreases) in the forward DOE index curve would result in a significantly higher (lower) fair value measurement. For the Company’s interest rate swaps and fuel hedges, the Company also considers the Company’s creditworthiness in its determination of the fair value measurement of these instruments in a net liability position and the counterparties’ creditworthiness in its determination of the fair value measurement of these instruments in a net asset position. The Company’s restricted cash and investments are valued at quoted market prices in active markets for similar assets, which the Company receives from the financial institutions that hold such investments on its behalf. The Company’s restricted cash and investments measured at fair value are invested primarily in money market accounts, bank time deposits, U.S. government and agency securities and Canadian bankers’ acceptance notes.

The Company’s assets and liabilities measured at fair value on a recurring basis at September 30, 2019 and December 31, 2018, were as follows:

	Fair Value Measurement at September 30, 2019 Using
			Quoted Prices in		Significant
			Active Markets		Other		Significant
			for Identical		Observable		Unobservable
			Assets		Inputs		Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Interest rate swap derivative instruments – net liability position	$	(51,640)	$	—	$	(51,640)	$	—
Restricted cash and investments	$	142,291	$	—	$	142,291	$	—
Contingent consideration	$	(56,954)	$	—	$	—	$	(56,954)

	Fair Value Measurement at December 31, 2018 Using
			Quoted Prices in		Significant
			Active Markets		Other		Significant
			for Identical		Observable		Unobservable
			Assets		Inputs		Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Interest rate swap derivative instruments – net asset position	$	12,098	$	—	$	12,098	$	—
Restricted cash and investments	$	131,422	$	—	$	131,422	$	—
Contingent consideration	$	(54,615)	$	—	$	—	$	(54,615)

The following table summarizes the changes in the fair value for Level 3 derivatives for the nine months ended September 30, 2019 and 2018:

	Nine Months Ended September 30,
	2019		2018
Beginning balance	$	—	$	3,880
Realized gains included in earnings		—		(2,837)
Unrealized gains included in AOCIL		—		2,661
Ending balance	$	—	$	3,704

The following table summarizes the changes in the fair value for Level 3 liabilities related to contingent consideration for the nine months ended September 30, 2019 and 2018:

	Nine Months Ended September 30,
	2019		2018
Beginning balance	$	54,615	$	47,285
Contingent consideration recorded at acquisition date		1,003		11,669
Payment of contingent consideration recorded at acquisition date		(1,621)		(5,459)
Payment of contingent consideration recorded in earnings		—		(11)
Adjustments to contingent consideration		1,466		349
Interest accretion expense		1,383		1,308
Foreign currency translation adjustment		108		(117)
Ending balance	$	56,954	$	55,024

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Subsequent Events

9 Months Ended

Sep. 30, 2019

Subsequent Events [Abstract]

Subsequent Events

19.SUBSEQUENT EVENTS

On October 28, 2019, the Company announced that its Board of Directors increased its regular quarterly cash dividend by $0.025, from $0.16 to $0.185 per Company common share, and then declared a regular quarterly cash dividend of $0.185 per Company common share. The dividend will be paid on November 26, 2019, to shareholders of record on the close of business on November 12, 2019.

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Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2019	Oct. 18, 2019
Document And Entity Information [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2019
Document Transition Report	false
Entity File Number	1-34370
Entity Registrant Name	WASTE CONNECTIONS, INC.
Entity Incorporation, State or Country Code	A6
Entity Tax Identification Number	98-1202763
Entity Address, Address Line One	610 Applewood Crescent, 2nd Floor
Entity Address, City or Town	Vaughan
Entity Address, State or Province	ON
Entity Address, Country	CA
Entity Address, Postal Zip Code	L4K 0E3
City Area Code	905
Local Phone Number	532-7510
Title of 12(b) Security	Common Shares
Trading Symbol	WCN
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock Shares Outstanding		263,676,837
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3
Entity Central Index Key	0001318220
Amendment Flag	false

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Reporting Currency

9 Months Ended

Sep. 30, 2019

Reporting Currency [Abstract]

Reporting Currency

2.REPORTING CURRENCY

The functional currency of the Company, as the parent corporate entity, and its operating subsidiaries in the United States, is the U.S. dollar. The functional currency of the Company’s Canadian operations is the Canadian dollar. The reporting currency of the Company is the U.S. dollar. The Company’s consolidated Canadian dollar financial position is translated to U.S. dollars by applying the foreign currency exchange rate in effect at the consolidated balance sheet date. The Company’s consolidated Canadian dollar results of operations and cash flows are translated to U.S. dollars by applying the average foreign currency exchange rate in effect during the reporting period. The resulting translation adjustments are included in other comprehensive income or loss. Gains and losses from foreign currency transactions are included in earnings for the period.

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Segment Reporting (Changes in Goodwill by Reportable Segment) (Detail) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 5,031,685	$ 4,681,774
Goodwill acquired	223,028	169,950
Goodwill acquisition adjustments		10,194
Goodwill divested	(845)
Impact of changes in foreign currency	43,688	(48,622)
Goodwill, Ending Balance	5,297,556	4,813,296
Eastern [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	1,143,355	804,133
Goodwill transferred	(16,869)	(16,869)
Goodwill acquired	22,146	122,136
Goodwill, Ending Balance	1,148,632	909,400
Southern [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	1,517,610	1,436,320
Goodwill acquired	10,329	4,800
Goodwill acquisition adjustments		10,194
Goodwill divested	(845)
Goodwill, Ending Balance	1,527,094	1,451,314
Western [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	398,174	397,508
Goodwill acquired	1,334	666
Goodwill, Ending Balance	399,508	398,174
Central [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	523,566	468,275
Goodwill transferred	16,869	16,869
Goodwill acquired	189,194	42,197
Goodwill, Ending Balance	729,629	527,341
Canada [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	1,448,980	1,575,538
Goodwill acquired	25	151
Impact of changes in foreign currency	43,688	(48,622)
Goodwill, Ending Balance	$ 1,492,693	1,527,067
Exploration and Production [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance
Goodwill transferred
Goodwill acquired
Goodwill acquisition adjustments
Impact of changes in foreign currency
Goodwill, Ending Balance

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Derivative Financial Instruments (Fair Values of Derivative Instruments Designated as Cash Flow Hedges) (Details) - USD ($) $ in Thousands		3 Months Ended				9 Months Ended
		Sep. 30, 2018		Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2018		Sep. 30, 2019		Dec. 31, 2018
Derivatives, Fair Value [Line Items]
Derivatives designated as cash flow hedges, asset derivatives								$ 3,796		$ 21,412
Derivatives designated as cash flow hedges, asset derivatives, before ASU 2017-12		$ 856	[1]	$ 3,890	$ 9,114	$ 13,860	[1]
Derivatives designated as cash flow hedges, liability derivatives								(55,436)		(9,314)
Derivatives designated as cash flow hedges, liability derivatives, before ASU 2017-12		(1,786)	[2],[3]	$ 2,204	$ 1,303	1,721	[2],[3]
Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as cash flow hedges, asset derivatives, before ASU 2017-12	[1]	634				11,634
Derivatives designated as cash flow hedges, liability derivatives, before ASU 2017-12						(1,769)
Interest Rate Swap [Member] | Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as cash flow hedges, liability derivatives	[4]							(2,148)
Interest Rate Swap [Member] | Other Long-term Liabilities [Member}
Derivatives, Fair Value [Line Items]
Derivatives designated as cash flow hedges, liability derivatives								(53,288)		(9,314)
Interest Rate Swap [Member] | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as cash flow hedges, asset derivatives								2,954	[4]	10,737	[1]
Interest Rate Swap [Member] | Other Assets [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as cash flow hedges, asset derivatives								$ 842		$ 10,675
Fuel [Member] | Commodity Contract [Member]
Derivatives, Fair Value [Line Items]
Derivatives designated as cash flow hedges, asset derivatives, before ASU 2017-12	[1]	$ 222				2,226
Derivatives designated as cash flow hedges, liability derivatives, before ASU 2017-12						$ 3,490

[1] In accordance with the derivatives and hedging guidance, the changes in fair values of interest rate swaps and fuel hedges have been recorded in equity as a component of AOCIL. As the critical terms of the interest rate swaps match the underlying debt being hedged, all unrealized changes in fair value are recorded in AOCIL. Because changes in the actual price of diesel fuel and changes in the DOE index price did not offset exactly each reporting period, the Company assessed whether the fuel hedges were highly effective using the cumulative dollar offset approach.

[2] Amounts reclassified from AOCIL into earnings related to realized gains and losses on interest rate swaps are recognized when interest payments or receipts occur related to the swap contracts, which correspond to when interest payments are made on the Company’s hedged debt.

[3] Amounts reclassified from AOCIL into earnings related to realized gains and losses on the fuel hedges are recognized when settlement payments or receipts occur related to the hedge contracts, which correspond to when the underlying fuel is consumed.

[4] Represents the estimated amount of the existing unrealized gains and losses, respectively, on interest rate swaps as of September 30, 2019 (based on the interest rate yield curve at that date), included in AOCIL expected to be reclassified into pre-tax earnings within the next 12 months. The actual amounts reclassified into earnings are dependent on future movements in interest rates.

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Fair Value Measurements (Assets and Liabilities Measured at Fair Value on Recurring Basis) (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted cash and investments	$ 142,291	$ 131,422
Contingent consideration	(56,954)	(54,615)
Interest Rate Swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative instrument - net	(51,640)	12,098
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Restricted cash and investments	142,291	131,422
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative instrument - net	(51,640)	12,098
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Contingent consideration	$ (56,954)	$ (54,615)

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Acquisitions (Narrative) (Detail)	9 Months Ended		12 Months Ended
	Sep. 30, 2019 USD ($) entity	Sep. 30, 2018 USD ($) entity	Sep. 30, 2019 USD ($) entity	Sep. 30, 2019 USD ($)
Business Acquisition [Line Items]
Number of immaterial businesses acquired in period | entity	13	15
Acquisition-related costs	$ 8,057,000	$ 4,907,000
Goodwill expected to be deductible for tax purposes	81,903,000	169,559,000	$ 81,903,000	$ 81,903,000
Trade receivables acquired in business combination gross contractual amount	16,469,000	14,015,000	16,469,000	16,469,000
Trade receivables acquired in business combination expected to be uncollectible amount	$ 1,427,000	1,198,000	$ 1,427,000	$ 1,427,000
Fair value of acquired working capital is provisional			10	10
One Acquisition [Member]
Business Acquisition [Line Items]
Contingent consideration		$ 11,593,000
Contingent consideration payable period		3 years
One Acquisition [Member] | Maximum [Member]
Business Acquisition [Line Items]
Contingent consideration		$ 12,582,000
Measurement Input, Discount Rate [Member] | One Acquisition [Member]
Business Acquisition [Line Items]
Business combination, contingent consideration, liability, measurement input		2.7

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Revenue (Total Reported Revenues by Service Line) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue from External Customer [Line Items]
Revenues	$ 1,412,444	$ 1,281,110	$ 4,026,719	$ 3,661,209
Operating Segments [Member] | Collection [Member]
Revenue from External Customer [Line Items]
Revenues	990,790	871,699	2,840,267	2,536,065
Operating Segments [Member] | Commercial [Member]
Revenue from External Customer [Line Items]
Revenues	408,415	369,543	1,186,565	1,080,261
Operating Segments [Member] | Residential [Member]
Revenue from External Customer [Line Items]
Revenues	355,574	300,026	1,024,105	881,927
Operating Segments [Member] | Industrial and Construction Roll Off [Member]
Revenue from External Customer [Line Items]
Revenues	226,801	202,130	629,597	573,877
Operating Segments [Member] | Landfills [Member]
Revenue from External Customer [Line Items]
Revenues	310,633	285,945	852,073	790,056
Operating Segments [Member] | Transfer [Member]
Revenue from External Customer [Line Items]
Revenues	209,585	187,961	575,337	495,317
Operating Segments [Member] | Recycling [Member]
Revenue from External Customer [Line Items]
Revenues	14,142	23,371	50,676	69,559
Operating Segments [Member] | E&P [Member]
Revenue from External Customer [Line Items]
Revenues	70,874	68,049	205,743	189,071
Operating Segments [Member] | Intermodal and Other [Member]
Revenue from External Customer [Line Items]
Revenues	26,520	34,261	90,491	105,588
Intercompany Revenue [Member]
Revenue from External Customer [Line Items]
Revenues	$ (210,100)	$ (190,176)	$ (587,868)	$ (524,447)

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Basis of Presentation and Summary

9 Months Ended

Sep. 30, 2019

Basis of Presentation and Summary [Abstract]

Basis of Presentation and Summary

1.BASIS OF PRESENTATION AND SUMMARY

The accompanying condensed consolidated financial statements relate to Waste Connections, Inc. and its subsidiaries (the “Company”) for the three and nine month periods ended September 30, 2019 and 2018. In the opinion of management, the accompanying balance sheets and related interim statements of net income, comprehensive income, cash flows and equity include all adjustments, consisting only of normal recurring items, necessary for their fair statement in conformity with U.S. generally accepted accounting principles (“GAAP”). Preparing financial statements requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses. Examples include accounting for landfills, self-insurance accruals, income taxes, allocation of acquisition purchase price, contingent consideration accruals and asset impairments. An additional area that involves estimation is when the Company estimates the amount of potential exposure it may have with respect to litigation, claims and assessments in accordance with the accounting guidance on contingencies. Actual results for all estimates could differ materially from the estimates and assumptions that the Company uses in the preparation of its condensed consolidated financial statements.

Interim results are not necessarily indicative of results for a full year. These interim financial statements should be read in conjunction with the financial statements and notes thereto included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2018.

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Condensed Consolidated Statements of Net Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Revenues	$ 1,412,444	$ 1,281,110	$ 4,026,719	$ 3,661,209
Operating expenses:
Cost of operations	835,098	736,122	2,384,607	2,120,947
Selling, general and administrative	137,883	139,014	410,132	398,582
Depreciation	157,994	148,232	461,616	423,866
Amortization of intangibles	31,934	26,871	93,821	79,444
Impairments and other operating items	12,935	(1,998)	32,949	6,106
Operating income	236,600	232,869	643,594	632,264
Interest expense	(36,780)	(32,078)	(111,313)	(96,874)
Interest income	2,056	1,467	7,186	3,677
Other income (expense), net	(19)	600	4,562	2,053
Income before income tax provision	201,857	202,858	544,029	541,120
Income tax provision	(42,783)	(52,092)	(110,539)	(126,509)
Net income	159,074	150,766	433,490	414,611
Plus (less): Net loss (income) attributable to noncontrolling interests	35	77	89	(218)
Net income attributable to Waste Connections	$ 159,109	$ 150,843	$ 433,579	$ 414,393
Earnings per common share attributable to Waste Connections' common shareholders:
Basic	$ 0.60	$ 0.57	$ 1.64	$ 1.57
Diluted	$ 0.60	$ 0.57	$ 1.64	$ 1.57
Shares used in the per share calculations:
Basic	263,853,681	263,628,838	263,768,258	263,657,274
Diluted	264,587,456	264,394,757	264,473,345	264,376,320
Cash dividends per common share	$ 0.16	$ 0.14	$ 0.48	$ 0.42

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Other Comprehensive Income (Loss)

9 Months Ended

Sep. 30, 2019

Other Comprehensive Income (Loss) [Abstract]

Other Comprehensive Income (Loss)

16.OTHER COMPREHENSIVE INCOME (LOSS)

Other comprehensive income (loss) includes changes in the fair value of interest rate swaps and fuel hedges that qualify for hedge accounting. The components of other comprehensive income (loss) and related tax effects for the three and nine months ended September 30, 2019 and 2018 are as follows:

	Three Months Ended September 30, 2019
	Gross		Tax Effect		Net of Tax
Interest rate swap amounts reclassified into interest expense	$	(1,974)	$	523	$	(1,451)
Changes in fair value of interest rate swaps		(15,482)		4,103		(11,379)
Foreign currency translation adjustment		(24,911)		—		(24,911)
	$	(42,367)	$	4,626	$	(37,741)

	Three Months Ended September 30, 2018
	Gross		Tax Effect		Net of Tax
Interest rate swap amounts reclassified into interest expense	$	4,279	$	(1,134)	$	3,145
Fuel hedge amounts reclassified into cost of operations		(1,810)		451		(1,359)
Changes in fair value of interest rate swaps		863		(229)		634
Changes in fair value of fuel hedges		295		(73)		222
Foreign currency translation adjustment		35,455		—		35,455
	$	39,082	$	(985)	$	38,097

	Nine Months Ended September 30, 2019
	Gross		Tax Effect		Net of Tax
Interest rate swap amounts reclassified into interest expense	$	(6,918)	$	1,833	$	(5,085)
Changes in fair value of interest rate swaps		(56,818)		15,057		(41,761)
Foreign currency translation adjustment		60,404		—		60,404
	$	(3,332)	$	16,890	$	13,558

	Nine Months Ended September 30, 2018
	Gross		Tax Effect		Net of Tax
Interest rate swap amounts reclassified into interest expense	$	2,407	$	(638)	$	1,769
Fuel hedge amounts reclassified into cost of operations		(4,647)		1,157		(3,490)
Changes in fair value of interest rate swaps		15,828		(4,194)		11,634
Changes in fair value of fuel hedges		2,956		(730)		2,226
Foreign currency translation adjustment		(67,349)		—		(67,349)
	$	(50,805)	$	(4,405)	$	(55,210)

A rollforward of the amounts included in AOCIL, net of taxes, for the nine months ended September 30, 2019 and 2018, is as follows:

			Foreign		Accumulated
			Currency		Other
	Interest		Translation		Comprehensive
	Rate Swaps		Adjustment		Income (Loss)
Balance at December 31, 2018	$	8,892	$	(83,678)	$	(74,786)
Amounts reclassified into earnings		(5,085)		—		(5,085)
Changes in fair value		(41,761)		—		(41,761)
Foreign currency translation adjustment		—		60,404		60,404
Balance at September 30, 2019	$	(37,954)	$	(23,274)	$	(61,228)

					Foreign		Accumulated
					Currency		Other
			Interest		Translation		Comprehensive
	Fuel Hedges		Rate Swaps		Adjustment		Income (Loss)
Balance at December 31, 2017	$	2,907	$	13,951	$	91,555	$	108,413
Amounts reclassified into earnings		(3,490)		1,769		—		(1,721)
Changes in fair value		2,226		11,634		—		13,860
Foreign currency translation adjustment		—		—		(67,349)		(67,349)
Balance at September 30, 2018	$	1,643	$	27,354	$	24,206	$	53,203

See Note 12 for further discussion on the Company’s derivative instruments.

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New Accounting Standards (Tables)

9 Months Ended

Sep. 30, 2019

ASU 2016-02

New Accounting Pronouncements or Change in Accounting Principle [Line Items]

Schedule of adoption of lease guidance increase (decrease)

	As Reported December 31, 2018		Adoption of Lease Guidance Increase (Decrease)		Balance January 1, 2019
Operating lease right-of-use assets	$	-	$	206,501	$	206,501
Total assets	$	12,627,329	$	206,501	$	12,833,830
Current portion of operating lease liabilities	$	-	$	29,640	$	29,640
Total current liabilities	$	860,709	$	29,640	$	890,349
Long-term portion of operating lease liabilities	$	-	$	180,005	$	180,005
Deferred income taxes	$	760,033	$	(1,066)	$	758,967
Total liabilities	$	6,167,141	$	208,579	$	6,375,720
Retained earnings	$	2,264,510	$	(2,078)	$	2,262,432
Total liabilities and equity	$	12,627,329	$	206,501	$	12,833,830

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Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2019

Fair Value [Abstract]

Carrying Values and Fair Values of Debt Instruments

	Carrying Value at				Fair Value* at
	September 30,		December 31,		September 30,		December 31,
	2019		2018		2019		2018
5.25% Senior Notes due 2019	$	175,000	$	175,000	$	175,361	$	177,870
4.64% Senior Notes due 2021	$	100,000	$	100,000	$	102,783	$	101,292
2.39% Senior Notes due 2021	$	150,000	$	150,000	$	149,210	$	144,305
3.09% Senior Notes due 2022	$	125,000	$	125,000	$	126,640	$	120,682
2.75% Senior Notes due 2023	$	200,000	$	200,000	$	200,664	$	188,363
3.24% Senior Notes due 2024	$	150,000	$	150,000	$	153,789	$	142,877
3.41% Senior Notes due 2025	$	375,000	$	375,000	$	389,912	$	355,541
3.03% Senior Notes due 2026	$	400,000	$	400,000	$	407,943	$	367,143
3.49% Senior Notes due 2027	$	250,000	$	250,000	$	261,260	$	234,243
4.25% Senior Notes due 2028	$	500,000	$	500,000	$	567,850	$	506,100
3.50% Senior Notes due 2029	$	500,000	$	—	$	537,550	$	—

____________________

*Senior Notes are classified as Level 2 within the fair value hierarchy. Fair value is based on quotes of bonds with similar ratings in similar industries.

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Leases (Tables)

9 Months Ended

Sep. 30, 2019

Lessee Disclosure [Abstract]

Summary of lease cost for operating leases

Lease cost for operating leases for the three and nine months ended September 30, 2019 was as follows:

	Three Months Ended		Nine Months Ended
	September 30, 2019		September 30, 2019
Operating lease cost	$	9,696	$	28,886

Supplemental cash flow information and non-cash activity related to the Company’s operating leases are as follows:

	Nine Months Ended
	September 30, 2019
Operating cash flow information:
Cash paid for amounts included in the measurement of lease liabilities	$	28,374
Non-cash activity:
Right-of-use assets obtained in exchange for lease liabilities	$	7,363

Weighted-average remaining lease term and discount rate for the Company’s operating leases are as follows:

	Nine Months Ended
	September 30, 2019
Weighted average remaining lease term	8.9	years
Weighted average discount rate	3.99	%

Summary of future minimum lease payments

As of September 30, 2019, future minimum lease payments, as calculated under the new lease guidance and reconciled to the operating lease liability, are as follows:

Last 3 months of 2019	$	9,662
2020		36,429
2021		33,160
2022		31,906
2023		28,701
Thereafter		96,292
Minimum lease payments		236,150
Less: imputed interest		(39,641)
Present value of minimum lease payments		196,509
Less: current portion of operating lease liabilities		(30,162)
Long-term portion of operating lease liabilities	$	166,347

Summary of future minimum lease payments under non-cancelable operating leases

As of December 31, 2018, minimum lease payments under non-cancelable operating leases by period were expected to be as follows:

2019	$	37,902
2020		35,204
2021		32,259
2022		30,974
2023		27,882
Thereafter		94,205
	$	258,426

Summary of rent expense for both short-term agreements and non-cancelable operating lease agreements

A summary of rent expense for both short-term agreements and non-cancelable operating lease agreements for the years ended December 31, 2018 and 2017 was as follows:

	2018		2017
Rent expense	$	42,646	$	43,383

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Reclassification

9 Months Ended

Sep. 30, 2019

Reclassification [Abstract]

Reclassification

4.RECLASSIFICATION

As disclosed within other footnotes of the financial statements, segment information reported in the Company’s prior year has been reclassified to conform with the 2019 presentation.

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Intangible Assets, Net

9 Months Ended

Sep. 30, 2019

Intangible Assets, Net [Abstract]

Intangible Assets, Net

8.INTANGIBLE ASSETS, NET

Intangible assets, exclusive of goodwill, consisted of the following at September 30, 2019:

	Gross				Accumulated		Net
	Carrying		Accumulated		Impairment		Carrying
	Amount		Amortization		Loss		Amount
Finite-lived intangible assets:
Long-term franchise agreements and contracts	$	487,001	$	(183,121)	$	—	$	303,880
Customer lists		561,642		(288,732)		—		272,910
Permits and other		358,314		(60,290)		—		298,024
		1,406,957		(532,143)		—		874,814
Indefinite-lived intangible assets:
Solid waste collection and transportation permits		158,591		—		—		158,591
Material recycling facility permits		42,283		—		—		42,283
E&P facility permits		59,855		—		(38,507)		21,348
		260,729		—		(38,507)		222,222
Intangible assets, exclusive of goodwill	$	1,667,686	$	(532,143)	$	(38,507)	$	1,097,036

The weighted-average amortization period of long-term franchise agreements and contracts acquired during the nine months ended September 30, 2019 was 19.2 years. The weighted-average amortization period of customer lists acquired during the nine months ended September 30, 2019 was 10.0 years. The weighted-average amortization period of finite-lived permits and other intangibles acquired during the nine months ended September 30, 2019 was 36.8 years.

Intangible assets, exclusive of goodwill, consisted of the following at December 31, 2018:

	Gross				Accumulated		Net
	Carrying		Accumulated		Impairment		Carrying
	Amount		Amortization		Loss		Amount
Finite-lived intangible assets:
Long-term franchise agreements and contracts	$	476,833	$	(157,986)	$	—	$	318,847
Customer lists		530,614		(232,461)		—		298,153
Permits and other		338,601		(49,195)		—		289,406
		1,346,048		(439,642)		—		906,406
Indefinite-lived intangible assets:
Solid waste collection and transportation permits		158,591		—		—		158,591
Material recycling facility permits		42,283		—		—		42,283
E&P facility permits		59,855		—		(38,507)		21,348
		260,729		—		(38,507)		222,222
Intangible assets, exclusive of goodwill	$	1,606,777	$	(439,642)	$	(38,507)	$	1,128,628

Estimated future amortization expense for the next five years relating to finite-lived intangible assets is as follows:

For the year ending December 31, 2019	$	125,699
For the year ending December 31, 2020	$	113,177
For the year ending December 31, 2021	$	98,310
For the year ending December 31, 2022	$	84,543
For the year ending December 31, 2023	$	71,283

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Derivative Financial Instruments

9 Months Ended

Sep. 30, 2019

Derivative Financial Instruments [Abstract]

Derivative Financial Instruments

12.DERIVATIVE FINANCIAL INSTRUMENTS

The Company recognizes all derivatives on the Condensed Consolidated Balance Sheets at fair value. All of the Company’s derivatives have been designated as cash flow hedges; therefore, the gain or loss on the derivatives will be recognized in accumulated other comprehensive income (loss) (“AOCIL”) and reclassified into earnings in the same period during which the hedged transaction affects earnings and is presented in the same income statement line item as the earnings effect of the hedged item.  The Company classifies cash inflows and outflows from derivatives within operating activities on the Condensed Consolidated Statements of Cash Flows.

One of the Company’s objectives for utilizing derivative instruments is to reduce its exposure to fluctuations in cash flows due to changes in the variable interest rates of certain borrowings under the Credit Agreement. The Company’s strategy to achieve that objective involves entering into interest rate swaps. The interest rate swaps outstanding at September 30, 2019 were specifically designated to the Credit Agreement and accounted for as cash flow hedges.

At September 30, 2019, the Company’s derivative instruments included 16 interest rate swap agreements as follows:

			Fixed		Variable
	Notional		Interest		Interest Rate
Date Entered	Amount		Rate Paid*		Received	Effective Date	Expiration Date
May 2014	$	50,000	2.344	%	1-month LIBOR	October 2015	October 2020
May 2014	$	25,000	2.326	%	1-month LIBOR	October 2015	October 2020
May 2014	$	50,000	2.350	%	1-month LIBOR	October 2015	October 2020
May 2014	$	50,000	2.350	%	1-month LIBOR	October 2015	October 2020
April 2016	$	100,000	1.000	%	1-month LIBOR	February 2017	February 2020
June 2016	$	75,000	0.850	%	1-month LIBOR	February 2017	February 2020
June 2016	$	150,000	0.950	%	1-month LIBOR	January 2018	January 2021
June 2016	$	150,000	0.950	%	1-month LIBOR	January 2018	January 2021
July 2016	$	50,000	0.900	%	1-month LIBOR	January 2018	January 2021
July 2016	$	50,000	0.890	%	1-month LIBOR	January 2018	January 2021
August 2017	$	100,000	1.900	%	1-month LIBOR	July 2019	July 2022
August 2017	$	200,000	2.200	%	1-month LIBOR	October 2020	October 2025
August 2017	$	150,000	1.950	%	1-month LIBOR	February 2020	February 2023
June 2018	$	200,000	2.925	%	1-month LIBOR	October 2020	October 2025
June 2018	$	200,000	2.925	%	1-month LIBOR	October 2020	October 2025
December 2018	$	200,000	2.850	%	1-month LIBOR	July 2022	July 2027

____________________

* Plus applicable margin.

Another of the Company’s objectives for utilizing derivative instruments is to reduce its exposure to fluctuations in cash flows due to changes in the price of diesel fuel. The Company’s strategy to achieve that objective involves periodically entering into fuel hedges that are specifically designated to certain forecasted diesel fuel purchases and accounted for as cash flow hedges.  The Company had one fuel hedge agreement in place at September 30, 2018, which expired at December 31, 2018.  At September 30, 2019, the Company had no fuel hedge agreements in place.

The fair values of derivative instruments designated as cash flow hedges as of September 30, 2019, were as follows:

Derivatives Designated as Cash	Asset Derivatives			Liability Derivatives
Flow Hedges	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Interest rate swaps	Prepaid expenses and other current assets(a)	$	2,954	Accrued liabilities(a)	$	(2,148)
	Other assets, net		842	Other long-term liabilities		(53,288)
Total derivatives designated as cash flow hedges		$	3,796		$	(55,436)

____________________

(a)Represents the estimated amount of the existing unrealized gains and losses, respectively, on interest rate swaps as of September 30, 2019 (based on the interest rate yield curve at that date), included in AOCIL expected to be reclassified into pre-tax earnings within the next 12 months. The actual amounts reclassified into earnings are dependent on future movements in interest rates.

The fair values of derivative instruments designated as cash flow hedges as of December 31, 2018, were as follows:

Derivatives Designated as Cash	Derivative Assets			Derivative Liabilities
Flow Hedges	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Interest rate swaps	Prepaid expenses and other current assets(a)	$	10,737	Other long-term liabilities	$	(9,314)
	Other assets, net		10,675
Total derivatives designated as cash flow hedges		$	21,412		$	(9,314)

The following table summarizes the impact of the Company’s cash flow hedges on the results of operations, comprehensive income (loss) and AOCIL for the three and nine months ended September 30, 2019 and 2018:

Derivatives					Statement of	Amount of (Gain) or Loss Reclassified
Designated as Cash	Amount of Gain or (Loss) Recognized				Net Income	from AOCIL into Earnings,
Flow Hedges	as AOCIL on Derivatives, Net of Tax (a)				Classification	Net of Tax (b), (c)
	Three Months Ended					Three Months Ended
	September 30,					September 30,
	2019		2018			2019		2018
Interest rate swaps	$	(11,379)	$	634	Interest expense	$	(1,451)	$	3,145
Fuel hedges		—		222	Cost of operations		—		(1,359)
Total	$	(11,379)	$	856		$	(1,451)	$	1,786

Derivatives					Statement of	Amount of (Gain) or Loss Reclassified
Designated as Cash	Amount of Gain or (Loss) Recognized				Net Income	from AOCIL into Earnings,
Flow Hedges	as AOCIL on Derivatives, Net of Tax (a)				Classification	Net of Tax (b), (c)
	Nine Months Ended					Nine Months Ended
	September 30,					September 30,
	2019		2018			2019		2018
Interest rate swaps	$	(41,761)	$	11,634	Interest expense	$	(5,085)	$	1,769
Fuel hedges		—		2,226	Cost of operations		—		(3,490)
Total	$	(41,761)	$	13,860		$	(5,085)	$	(1,721)

____________________

(a)In accordance with the derivatives and hedging guidance, the changes in fair values of interest rate swaps and fuel hedges have been recorded in equity as a component of AOCIL. As the critical terms of the interest rate swaps match the underlying debt being hedged, all unrealized changes in fair value are recorded in AOCIL. Because changes in the actual price of diesel fuel and changes in the DOE index price did not offset exactly each reporting period, the Company assessed whether the fuel hedges were highly effective using the cumulative dollar offset approach.

(b)Amounts reclassified from AOCIL into earnings related to realized gains and losses on interest rate swaps are recognized when interest payments or receipts occur related to the swap contracts, which correspond to when interest payments are made on the Company’s hedged debt.

(c)Amounts reclassified from AOCIL into earnings related to realized gains and losses on the fuel hedges are recognized when settlement payments or receipts occur related to the hedge contracts, which correspond to when the underlying fuel is consumed.

See Note 16 for further discussion on the impact of the Company’s hedge accounting to its consolidated comprehensive income (loss) and AOCIL.

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Shareholders' Equity (Summary of Stock Option Activity and Related Information) (Detail) - Progressive Waste Solutions Ltd. [Member]	9 Months Ended
	Sep. 30, 2019 shares
Number of Shares (Options)
Outstanding at beginning	165,156
Cash settled	(31,097)
Outstanding at ending	134,059

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Shareholders' Equity (Narrative) (Detail) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		2 Months Ended	3 Months Ended						6 Months Ended	9 Months Ended		40 Months Ended
	Oct. 31, 2018	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Jul. 31, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Jul. 25, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares authorized for repurchase														13,184,474
Share repurchase plan expiration date			Aug. 07, 2020
Daily repurchase of shares, maximum										79,933
Average daily trading volume during period										319,734
Repurchase of common stock (shares)											0	594,474
Aggregate cost of stock repurchased									$ 42,040			$ 42,040
Maximum remaining number of shares available for repurchase			13,184,474	13,184,474							13,184,474		13,184,474
Cash dividend per share	$ 0.16	$ 0.14		$ 0.16			$ 0.14				$ 0.48	$ 0.42
Cash dividend per common share, increase	$ 0.02
Cash dividends on common stock				$ 42,133	$ 42,131	$ 42,084	$ 36,863	$ 36,770	$ 36,814		$ 126,348	$ 110,447
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant-date fair value of award											$ 81.15
Units granted in period											341,459
Vested deferred RSUs outstanding		264,374	247,999	247,999			264,374				247,999	264,374	247,999
Restricted Stock Units (RSUs) [Member] | Progressive Waste Solutions Ltd. [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted in period													0
RSUs forfeited, shares											964
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant-date fair value of award											$ 80.85
Performance period end date											Dec. 31, 2021
Units granted in period											152,656
Performance Shares [Member] | 2019 Performance-Based Restricted Share Units Plan One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of award											3 years
Performance Shares [Member] | 2019 Performance-Based Restricted Share Units Plan Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of award											3 years
Performance Shares [Member] | Progressive Waste Solutions Ltd. [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Units granted in period													0
Performance Shares [Member] | Minimum [Member] | 2019 Performance-Based Restricted Share Units Plan Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of award											1 year
Performance Shares [Member] | Maximum [Member] | 2019 Performance-Based Restricted Share Units Plan Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period of award											4 years
Employee Stock Option [Member] | Progressive Waste Solutions Ltd. [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period													0
Deferred Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant-date fair value of award											$ 83.80
Units granted in period											3,804
Vested deferred RSUs outstanding			18,970	18,970							18,970		18,970		17,176

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Subsequent Events (Details) - $ / shares		1 Months Ended		3 Months Ended		9 Months Ended
	Oct. 28, 2019	Oct. 31, 2018	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Subsequent Event [Line Items]
Cash dividend per common share, increase		$ 0.02
Cash dividends per common share		$ 0.16	$ 0.14	$ 0.16	$ 0.14	$ 0.48	$ 0.42
Subsequent Event [Member]
Subsequent Event [Line Items]
Dividends, declared date	Oct. 28, 2019
Dividends per share amount	$ 0.185
Cash dividend per common share, increase	0.025
Cash dividends per common share	$ 0.185
Dividends, date to be paid	Nov. 26, 2019
Dividends, date of record	Nov. 12, 2019

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Fair Value Measurements (Change in Fair Value for Level 3 Derivatives) (Detail) $ in Thousands	9 Months Ended
	Sep. 30, 2018 USD ($)
Fair Value [Abstract]
Beginning balance	$ 3,880
Realized gains included in earnings	(2,837)
Unrealized gains included in AOCIL	2,661
Ending balance	$ 3,704

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Leases (Minimum Lease Payments Under Non-Cancelable Operating Leases) (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2019	$ 37,902
2020	35,204
2021	32,259
2022	30,974
2023	27,882
Thereafter	94,205
Total	$ 258,426

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Long-Term Debt (Details of the Company's Credit Agreement) (Details) - USD ($) $ in Thousands		9 Months Ended	12 Months Ended
		Sep. 30, 2019	Dec. 31, 2018	Jan. 31, 2019
Line of Credit Facility [Line Items]
Amount drawn		$ 4,062,511	$ 4,174,693
LeMay Washington Bond [Member] | Tax-exempt Bonds [Member]
Line of Credit Facility [Line Items]
Outstanding balance of bonds				$ 15,930
Revolving Credit Facility [Member] | Credit Agreement [Member]
Line of Credit Facility [Line Items]
Available		1,012,786	955,779
Amount drawn	[1]	$ 427,806	$ 481,610
Commitment - rate applicable		0.12%	0.12%
Letter of Credit [Member] | Credit Agreement [Member]
Line of Credit Facility [Line Items]
Amount drawn		$ 121,908	$ 125,111
LIBOR [Member] | Revolving Credit Facility [Member] | Credit Agreement [Member]
Line of Credit Facility [Line Items]
Amount drawn		$ 382,500	$ 357,000
Interest rate applicable		3.14%	3.62%
LIBOR [Member] | Term Loan Facility [Member] | Credit Agreement [Member]
Line of Credit Facility [Line Items]
Amount drawn		$ 700,000	$ 1,237,500
Interest rate applicable		3.14%	3.62%
Canadian Bankers Acceptance Loan [Member] | Revolving Credit Facility [Member] | Credit Agreement [Member]
Line of Credit Facility [Line Items]
Amount drawn		$ 45,306	$ 124,610
Interest rate applicable		3.05%	3.40%

[1] Interest rates represent the interest rates incurred at September 30, 2019

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Landfill Accounting (Narrative) (Details) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2019 USD ($) site $ / T	Sep. 30, 2018 USD ($) $ / T	Dec. 31, 2018 USD ($)
Landfill Accounting [Line Items]
Number of landfills owned and operated by company | site	85
Number of landfills operated, not owned, under life-of-site operating agreements | site	7
Number of landfills operated under limited-term operating agreements | site	4
Number of landfills in development stage | site	1
Property and equipment, net	$ 5,375,166		$ 5,168,996
Average remaining landfill life based on permitted capacity and projected annual disposal volumes	27 years
Number of owned landfills the company is seeking to expand | site	6
Number of landfills operated under life-of-site operating agreements that the company is seeking to expand | site	3
Average remaining landfill life based on permitted capacity, projected annual disposal volumes and probable expansion capacity	30 years
Life of Company's owned landfills and landfills operated under life-of-site operating agreements min range	1 year
Life of Company's owned landfills and landfills operated under life of site operating agreements max range	177 years
Landfill depletion expense	$ 169,064	$ 153,010
Average rate per ton consumed related to landfill depletion at owned landfills and landfills operated under life-of-site agreements | $ / T	4.77	4.58
Inflation rate for purposes of computing layers for final capping, closure and post-closure obligations	2.50%		2.50%
Accretion expense associated with landfill obligations	$ 10,656	$ 9,583
Average rate per ton consumed related to final capping, closure and post-closure landfill accretion expense | $ / T	0.30	0.29
Restricted cash	$ 92,050		$ 84,661
Liabilities incurred	15,573
Landfill [Member]
Landfill Accounting [Line Items]
Property and equipment, net	2,961,560
Restricted cash	11,538		12,325
Restricted investments	$ 47,993		$ 44,939
Landfill [Member] | Measurement Input, Discount Rate [Member]
Landfill Accounting [Line Items]
Discount rate for purposes of computing layers for final capping, closure and post-closure obligations	4.75%		4.75%

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Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2019

Restricted Stock Units (RSUs) [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Activity Related to Restricted Share Units

A summary of activity related to restricted share units (“RSUs”) during the nine-month period ended September 30, 2019, is presented below:

	Unvested Shares
Outstanding at December 31, 2018	987,563
Granted	341,459
Forfeited	(46,503)
Vested and issued	(413,877)
Outstanding at September 30, 2019	868,642

Performance Shares [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Performance-Based Restricted Share Units Activity and Related Information

A summary of activity related to performance-based restricted share units (“PSUs”) during the nine-month period ended September 30, 2019, is presented below:

	Unvested Shares
Outstanding at December 31, 2018	532,086
Granted	152,656
Vested and issued	(180,258)
Outstanding at September 30, 2019	504,484

Deferred Share Units [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Activity Related to Restricted Share Units

A summary of activity related to deferred share units (“DSUs”) during the nine-month period ended September 30, 2019, is presented below:

	Vested Shares
Outstanding at December 31, 2018	17,176
Granted	3,804
Cash settled	(2,010)
Outstanding at September 30, 2019	18,970

Progressive Waste Solutions Ltd. [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Stock Option Activity and Related Information

Outstanding at December 31, 2018	165,156
Cash settled	(31,097)
Outstanding at September 30, 2019	134,059

Progressive Waste Solutions Ltd. [Member] | Restricted Stock Units (RSUs) [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Activity Related to Restricted Share Units

Outstanding at December 31, 2018	122,259
Cash settled	(46,023)
Forfeited	(2,352)
Outstanding at September 30, 2019	73,884

Summary of Vesting Activity Related to RSUs

A summary of vesting activity related to Progressive Waste RSUs during the nine-month period ended September 30, 2019, is presented below:

Vested at December 31, 2018	120,153
Vested over remaining service period	2,106
Cash settled	(46,023)
Forfeited	(2,352)
Vested at September 30, 2019	73,884

Progressive Waste Solutions Ltd. [Member] | Performance Shares [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Performance-Based Restricted Share Units Activity and Related Information

Outstanding at December 31, 2018	22,791
Cash settled, net of notional dividend	(22,791)
Outstanding at September 30, 2019	—

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Intangible Assets, Net (Narrative) (Detail)	9 Months Ended
	Sep. 30, 2019
Long-term Franchise Agreements and Contracts [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period of acquired intangible assets	19 years 2 months 12 days
Customer Lists [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period of acquired intangible assets	10 years
Permits and Other [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average amortization period of acquired intangible assets	36 years 9 months 18 days

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Derivative Financial Instruments (Narrative) (Details) - agreement	Sep. 30, 2019	Sep. 30, 2018
Derivative Financial Instruments [Abstract]
Number of interest rate swap agreements	16
Number of fuel hedge agreements	0	1

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Fair Value of Financial Instruments (Carrying Values and Fair Values of Debt Instruments) (Detail) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2019	Apr. 16, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Carrying value of senior notes		$ 4,062,511		$ 4,174,693
Senior notes | Senior Notes due 2019 [Member]
Debt Instrument [Line Items]
Carrying value of senior notes	[1]	175,000		175,000
Fair value of senior notes	[2]	$ 175,361		$ 177,870
Interest rate		5.25%		5.25%
Senior note year due		2019
Senior notes | Senior Notes due 2021 [Member]
Debt Instrument [Line Items]
Carrying value of senior notes		$ 100,000		$ 100,000
Fair value of senior notes	[2]	$ 102,783		$ 101,292
Interest rate		4.64%		4.64%
Senior note year due		2021
Senior notes | New Senior Notes due 2021 [Member]
Debt Instrument [Line Items]
Carrying value of senior notes		$ 150,000		$ 150,000
Fair value of senior notes	[2]	$ 149,210		$ 144,305
Interest rate		2.39%		2.39%
Senior note year due		2021
Senior notes | Senior Notes due 2022 [Member]
Debt Instrument [Line Items]
Carrying value of senior notes		$ 125,000		$ 125,000
Fair value of senior notes	[2]	$ 126,640		$ 120,682
Interest rate		3.09%		3.09%
Senior note year due		2022
Senior notes | Senior Notes due 2023 [Member]
Debt Instrument [Line Items]
Carrying value of senior notes		$ 200,000		$ 200,000
Fair value of senior notes	[2]	$ 200,664		$ 188,363
Interest rate		2.75%		2.75%
Senior note year due		2023
Senior notes | Senior Notes due 2024 [Member]
Debt Instrument [Line Items]
Carrying value of senior notes		$ 150,000		$ 150,000
Fair value of senior notes	[2]	$ 153,789		$ 142,877
Interest rate		3.24%		3.24%
Senior note year due		2024
Senior notes | Senior Notes due 2025 [Member]
Debt Instrument [Line Items]
Carrying value of senior notes		$ 375,000		$ 375,000
Fair value of senior notes	[2]	$ 389,912		$ 355,541
Interest rate		3.41%		3.41%
Senior note year due		2025
Senior notes | Senior Notes due 2026 [Member]
Debt Instrument [Line Items]
Carrying value of senior notes		$ 400,000		$ 400,000
Fair value of senior notes	[2]	$ 407,943		$ 367,143
Interest rate		3.03%		3.03%
Senior note year due		2026
Senior notes | Senior Notes due 2027 [Member]
Debt Instrument [Line Items]
Carrying value of senior notes		$ 250,000		$ 250,000
Fair value of senior notes	[2]	$ 261,260		$ 234,243
Interest rate		3.49%		3.49%
Senior note year due		2027
Senior notes | Senior Notes due 2028 [Member]
Debt Instrument [Line Items]
Carrying value of senior notes		$ 500,000		$ 500,000
Fair value of senior notes	[2]	$ 567,850		$ 506,100
Interest rate		4.25%		4.25%
Senior note year due		2028
Senior notes | Senior Notes due 2029 [Member]
Debt Instrument [Line Items]
Carrying value of senior notes		$ 500,000
Fair value of senior notes	[2]	$ 537,550
Interest rate		3.50%	3.50%
Senior note year due		2029

[1] The Company has recorded the 2019 Senior Notes in long-term in the table above as the Company has the intent and ability to redeem the 2019 Senior Notes on November 1, 2019 using borrowings under the Credit Agreement

[2] Senior Notes are classified as Level 2 within the fair value hierarchy. Fair value is based on quotes of bonds with similar ratings in similar industries.

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Landfill Accounting (Tables)

9 Months Ended

Sep. 30, 2019

Landfill Accounting [Abstract]

Reconciliation of Final Capping, Closure and Post-Closure Liability Balance

The following is a reconciliation of the Company’s final capping, closure and post-closure liability balance from December 31, 2018 to September 30, 2019:

Final capping, closure and post-closure liability at December 31, 2018	$	251,782
Liabilities incurred		15,573
Accretion expense associated with landfill obligations		10,656
Closure payments		(1,203)
Assumption of closure liabilities from acquisitions		8,707
Foreign currency translation adjustment		1,146
Final capping, closure and post-closure liability at September 30, 2019	$	286,661

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Condensed Consolidated Statements of Equity - USD ($) $ in Thousands		Common Stock [Member] Deferred Compensation Plan [Member]	Common Stock [Member] Performance Shares [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Noncontrolling Interests [Member]	Total
Beginning Balances at Dec. 31, 2017				$ 4,187,568	$ 115,743	$ 108,413		$ 1,856,946	$ 5,400	$ 6,274,070
Beginning Balances, shares at Dec. 31, 2017				263,494,670
Beginning Balance, treasury shares at Dec. 31, 2017							166,133
Sale of common shares held in trust				$ 1,947						1,947
Sale of common shares held in trust, shares				26,849			(26,849)
Vesting of restricted share units (shares)		114	154,181	452,700
Tax withholdings related to net share settlements of equity-based compensation					(14,121)					(14,121)
Tax withholdings related to net share settlements of equity-based compensation, shares				(206,084)
Equity-based compensation					7,991					7,991
Repurchase of common shares (shares)				(594,474)
Repurchase of common shares				$ (42,040)						(42,040)
Cash dividends on common shares								(36,814)		(36,814)
Amounts reclassified into earnings, net of taxes, before ASU 2017-12						(1,303)				(1,303)
Changes in fair value of cash flow hedges, net of taxes, before ASU 2017-12						9,114				9,114
Foreign currency translation adjustment						(59,330)				(59,330)
Distributions to noncontrolling interests									(103)	(103)
Net income (loss)								124,869	163	125,032
Ending Balances at Mar. 31, 2018				$ 4,147,475	109,613	56,894		1,961,297	5,460	6,280,739
Ending Balances, shares at Mar. 31, 2018				263,327,956
Ending Balance, treasury shares at Mar. 31, 2018							139,284
Beginning Balances at Dec. 31, 2017				$ 4,187,568	115,743	108,413		1,856,946	5,400	$ 6,274,070
Beginning Balances, shares at Dec. 31, 2017				263,494,670
Beginning Balance, treasury shares at Dec. 31, 2017							166,133
Repurchase of common shares (shares)										(594,474)
Repurchase of common shares										$ (42,040)
Cash dividends on common shares										(110,447)
Amounts reclassified into earnings, net of taxes, before ASU 2017-12	[1],[2]									(1,721)
Changes in fair value of cash flow hedges, net of taxes, before ASU 2017-12	[3]									13,860
Foreign currency translation adjustment										(67,349)
Net income (loss)										414,611
Ending Balances at Sep. 30, 2018				$ 4,147,909	124,317	53,203		2,174,136	5,515	6,505,080
Ending Balances, shares at Sep. 30, 2018				263,372,910
Ending Balance, treasury shares at Sep. 30, 2018							133,682
Cumulative effect adjustment from adoption of new accounting pronouncement								16,296		16,296
Beginning Balances at Mar. 31, 2018				$ 4,147,475	109,613	56,894		1,961,297	5,460	6,280,739
Beginning Balances, shares at Mar. 31, 2018				263,327,956
Beginning Balance, treasury shares at Mar. 31, 2018							139,284
Sale of common shares held in trust				$ 199						199
Sale of common shares held in trust, shares				2,638			(2,638)
Vesting of restricted share units (shares)		4,311		15,723
Tax withholdings related to net share settlements of equity-based compensation					(468)					(468)
Tax withholdings related to net share settlements of equity-based compensation, shares				(6,173)
Equity-based compensation					8,968					8,968
Exercise of stock options and warrants, shares				17,571
Cash dividends on common shares								(36,770)		(36,770)
Amounts reclassified into earnings, net of taxes, before ASU 2017-12						(2,204)				(2,204)
Changes in fair value of cash flow hedges, net of taxes, before ASU 2017-12						3,890				3,890
Foreign currency translation adjustment						(43,474)				(43,474)
Net income (loss)								138,682	132	138,814
Ending Balances at Jun. 30, 2018				$ 4,147,674	118,113	15,106		2,060,156	5,592	6,346,641
Ending Balances, shares at Jun. 30, 2018				263,362,026
Ending Balance, treasury shares at Jun. 30, 2018							136,646
Cumulative effect adjustment from adoption of new accounting pronouncement								(3,053)		(3,053)
Sale of common shares held in trust				$ 235						235
Sale of common shares held in trust, shares				2,964			(2,964)
Vesting of restricted share units (shares)		644		12,154
Tax withholdings related to net share settlements of equity-based compensation					(387)					(387)
Tax withholdings related to net share settlements of equity-based compensation, shares				(4,878)
Equity-based compensation					6,591					6,591
Cash dividends on common shares								(36,863)		(36,863)
Amounts reclassified into earnings, net of taxes, before ASU 2017-12						1,786				1,786	[1],[2]
Changes in fair value of cash flow hedges, net of taxes, before ASU 2017-12						856				856	[3]
Foreign currency translation adjustment						35,455				35,455
Net income (loss)								150,843	(77)	150,766
Ending Balances at Sep. 30, 2018				$ 4,147,909	124,317	53,203		2,174,136	5,515	6,505,080
Ending Balances, shares at Sep. 30, 2018				263,372,910
Ending Balance, treasury shares at Sep. 30, 2018							133,682
Beginning Balances at Dec. 31, 2018				$ 4,131,307	133,577	(74,786)		2,264,510	5,580	$ 6,460,188
Beginning Balances, shares at Dec. 31, 2018				263,141,413						263,141,413
Beginning Balance, treasury shares at Dec. 31, 2018							129,889			129,889
Sale of common shares held in trust				$ 3,610						$ 3,610
Sale of common shares held in trust, shares				43,637			(43,637)
Vesting of restricted share units (shares)		15,371	180,258	400,555
Tax withholdings related to net share settlements of equity-based compensation					(16,974)					(16,974)
Tax withholdings related to net share settlements of equity-based compensation, shares				(202,679)
Equity-based compensation					11,627					11,627
Exercise of warrants				8,690
Cash dividends on common shares								(42,084)		(42,084)
Amounts reclassified into earnings, net of taxes						(1,817)				(1,817)
Changes in fair value of cash flow hedges, net of taxes						(11,555)				(11,555)
Foreign currency translation adjustment						42,180				42,180
Net income (loss)								125,622	(45)	125,577
Ending Balances at Mar. 31, 2019				$ 4,134,917	128,230	(45,978)		2,345,970	5,535	6,568,674
Ending Balances, shares at Mar. 31, 2019				263,587,245
Ending Balance, treasury shares at Mar. 31, 2019							86,252
Beginning Balances at Dec. 31, 2018				$ 4,131,307	133,577	(74,786)		2,264,510	5,580	$ 6,460,188
Beginning Balances, shares at Dec. 31, 2018				263,141,413						263,141,413
Beginning Balance, treasury shares at Dec. 31, 2018							129,889			129,889
Repurchase of common shares (shares)										0
Cash dividends on common shares										$ (126,348)
Amounts reclassified into earnings, net of taxes	[1],[2]									(5,085)
Changes in fair value of cash flow hedges, net of taxes	[3]									(41,761)
Foreign currency translation adjustment						60,404
Net income (loss)										433,490
Ending Balances at Sep. 30, 2019				$ 4,135,343	147,188	(61,228)		2,569,663	5,374	$ 6,796,340
Ending Balances, shares at Sep. 30, 2019				263,616,104						263,616,104
Ending Balance, treasury shares at Sep. 30, 2019							81,514			81,514
Cumulative effect adjustment from adoption of new accounting pronouncement								(2,078)		$ (2,078)
Beginning Balances at Mar. 31, 2019				$ 4,134,917	128,230	(45,978)		2,345,970	5,535	6,568,674
Beginning Balances, shares at Mar. 31, 2019				263,587,245
Beginning Balance, treasury shares at Mar. 31, 2019							86,252
Sale of common shares held in trust				$ 85						85
Sale of common shares held in trust, shares				973			(973)
Vesting of restricted share units (shares)				6,495
Tax withholdings related to net share settlements of equity-based compensation					(290)					(290)
Tax withholdings related to net share settlements of equity-based compensation, shares				(3,081)
Equity-based compensation					10,254					10,254
Exercise of warrants				9,607
Cash dividends on common shares								(42,131)		(42,131)
Amounts reclassified into earnings, net of taxes						(1,817)				(1,817)
Changes in fair value of cash flow hedges, net of taxes						(18,827)				(18,827)
Foreign currency translation adjustment						43,135				43,135
Distributions to noncontrolling interests									(117)	(117)
Net income (loss)								148,848	(9)	148,839
Ending Balances at Jun. 30, 2019				$ 4,135,002	138,194	(23,487)		2,452,687	5,409	6,707,805
Ending Balances, shares at Jun. 30, 2019				263,601,239
Ending Balance, treasury shares at Jun. 30, 2019							85,279
Sale of common shares held in trust				$ 341						341
Sale of common shares held in trust, shares				3,765			(3,765)
Vesting of restricted share units (shares)		1,004		6,827
Tax withholdings related to net share settlements of equity-based compensation					(328)					(328)
Tax withholdings related to net share settlements of equity-based compensation, shares				(3,501)
Equity-based compensation					9,322					9,322
Exercise of warrants				6,770
Cash dividends on common shares								(42,133)		(42,133)
Amounts reclassified into earnings, net of taxes						(1,451)				(1,451)	[1],[2]
Changes in fair value of cash flow hedges, net of taxes						(11,379)				(11,379)	[3]
Foreign currency translation adjustment						(24,911)				(24,911)
Net income (loss)								159,109	(35)	159,074
Ending Balances at Sep. 30, 2019				$ 4,135,343	$ 147,188	$ (61,228)		$ 2,569,663	$ 5,374	$ 6,796,340
Ending Balances, shares at Sep. 30, 2019				263,616,104						263,616,104
Ending Balance, treasury shares at Sep. 30, 2019							81,514			81,514

[1] Amounts reclassified from AOCIL into earnings related to realized gains and losses on interest rate swaps are recognized when interest payments or receipts occur related to the swap contracts, which correspond to when interest payments are made on the Company’s hedged debt.

[2] Amounts reclassified from AOCIL into earnings related to realized gains and losses on the fuel hedges are recognized when settlement payments or receipts occur related to the hedge contracts, which correspond to when the underlying fuel is consumed.

[3] In accordance with the derivatives and hedging guidance, the changes in fair values of interest rate swaps and fuel hedges have been recorded in equity as a component of AOCIL. As the critical terms of the interest rate swaps match the underlying debt being hedged, all unrealized changes in fair value are recorded in AOCIL. Because changes in the actual price of diesel fuel and changes in the DOE index price did not offset exactly each reporting period, the Company assessed whether the fuel hedges were highly effective using the cumulative dollar offset approach.

XML

Net Income Per Share Information

9 Months Ended

Sep. 30, 2019

Net Income Per Share Information [Abstract]

Net Income Per Share Information

14.NET INCOME PER SHARE INFORMATION

The following table sets forth the calculation of the numerator and denominator used in the computation of basic and diluted net income per common share attributable to the Company’s shareholders for the three and nine months ended September 30, 2019 and 2018:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Numerator:
Net income attributable to Waste Connections for basic and diluted earnings per share	$	159,109	$	150,843	$	433,579	$	414,393
Denominator:
Basic shares outstanding		263,853,681		263,628,838		263,768,258		263,657,274
Dilutive effect of equity-based awards		733,775		765,919		705,087		719,046
Diluted shares outstanding		264,587,456		264,394,757		264,473,345		264,376,320

XML

Commitments and Contingencies

9 Months Ended

Sep. 30, 2019

Commitments and Contingencies [Abstract]

Commitments and Contingencies

18.COMMITMENTS AND CONTINGENCIES

In the normal course of its business and as a result of the extensive governmental regulation of the solid waste and E&P waste industries, the Company is subject to various judicial and administrative proceedings involving Canadian regulatory authorities as well as U.S. federal, state and local agencies. In these proceedings, an agency may subpoena the Company for records, or seek to impose fines on the Company or revoke or deny renewal of an authorization held by the Company, including an operating permit. From time to time, the Company may also be subject to actions brought by special interest or other groups, adjacent landowners or residents in connection with the permitting and licensing of landfills, transfer stations, and E&P waste treatment, recovery and disposal operations, or alleging environmental damage or violations of the permits and licenses pursuant to which the Company operates.

In addition, the Company is a party to various claims and suits pending for alleged damages to persons and property, alleged violations of certain laws and alleged liabilities arising out of matters occurring during the normal operation of the Company’s business. Except as noted in the matters described below, as of September 30, 2019, there is no current proceeding or litigation involving the Company or its property that the Company believes could have a material adverse effect on its business, financial condition, results of operations or cash flows.

Lower Duwamish Waterway Superfund Site Allocation Process

In November 2012, the Company’s subsidiary, Northwest Container Services, Inc. (“NWCS”), was named by the U.S. Environmental Protection Agency, Region 10 (the “EPA”) as a potentially responsible party (“PRP”), along with more than 100 others, under the Comprehensive Environmental Response, Compensation and Liability Act (“CERCLA” or the “Superfund” law) with respect to the Lower Duwamish Waterway Superfund Site (the “LDW Site”).  Listed on the National Priorities List in 2001, the LDW Site is a five-mile stretch of the Duwamish River flowing into Elliott Bay in Seattle, Washington.  A group of PRPs known as the Lower Duwamish Working Group (“LDWG”) and consisting of the City of Seattle, King County, the Port of Seattle, and Boeing Company conducted a Remedial Investigation/Feasibility Study for the LDW Site.  On December 2, 2014, the EPA issued its Record of Decision (the “ROD”) describing the selected clean-up remedy, and therein estimated that clean-up costs (in present value dollars as of November 2014) would total approximately $342,000. However, it is possible that additional costs could be incurred based upon various factors. The EPA estimates that it will take seven years to implement the clean-up. The ROD also requires ten years of monitoring following the clean-up, and provides that if clean-up goals have not been met by the end of this period, then additional clean-up activities, at additional cost, may be required at that time. Implementation of the clean-up will not begin until after the ongoing Early Action Area (“EAA”) clean-ups have been completed.  Typically, costs for monitoring may be in addition to those expended for the clean-up.  While three of the EAA clean-ups have been completed to date, some work remains to be done on three other EAAs.  Implementation of the clean-up also must await additional baseline sampling throughout the LDW Site and the preparation of a remedial design for performing the clean-up.  On April 27, 2016, the LDWG entered into a third amendment of its Administrative Order on Consent with the EPA (the “AOC 3”) in which it

agreed to perform the additional baseline sediment sampling and certain technical studies needed to prepare the actual remedial design.  The LDWG and the EPA entered into a fourth amendment to the AOC in July 2018 primarily addressing development of a proposed remedy for the upper reach of the LDW Site, river mile 3 to river mile 5.  At the April 24, 2019 stakeholders meeting the LDWG projected completion of the remedial design for the upper reach could be completed by August 2024.

On August 16, 2016, the EPA sent individual letters to each of the PRPs for the LDW Site, including NWCS, stating that it expects to initiate negotiations with all PRPs in early 2018 relating to a Remedial Design/Remedial Action (“RD/RA”) Consent Decree.  An RD/RA Consent Decree provides for the cleanup of the entire site and is often referred to as a “global settlement.”  In August 2014, NWCS entered into an Alternative Dispute Resolution Memorandum of Agreement with several dozen other PRPs and a neutral allocator to conduct a confidential and non-binding allocation of certain past response costs allegedly incurred at the LDW Site as well as the anticipated future response costs associated with the clean-up.  The pre-remedial design work under the AOC 3 is now not expected to conclude until the end of 2019, and in March 2017, the PRPs provided the EPA with notice that the allocation was not scheduled to conclude until mid-2019.  Later extensions pushed the allocation conclusion date to early 2020 and the EPA was informed of that schedule.  The allocation participants voted in June 2019 to extend the final allocation report deadline to July 2020.  The EPA has been informed of that change.  In June 2017, attorneys for the EPA informed attorneys for several PRPs that the EPA expected to begin RD/RA negotiations in the late summer or early fall of 2018.  Those negotiations have not been scheduled and there is no recent indication from the EPA regarding when they will begin. NWCS is defending itself vigorously in this confidential allocation process.  At this point, the Company is not able to determine the likelihood of the allocation process being completed as intended by the participating PRPs, its specific allocation, or the likelihood of the parties then negotiating a global settlement with the EPA.  Thus, NWCS cannot reasonably determine the likelihood of any outcome in this matter, including its potential liability.

On February 11, 2016, NWCS received a letter (the “Letter”) from the United States Department of Commerce, National Oceanic and Atmospheric Administration (“NOAA”), describing certain investigatory activities conducted by the Elliott Bay Trustee Council (the “Council”).  The Council consists of all of the natural resources trustees for the LDW Site as well as two nearby Superfund sites, the Harbor Island site and the Lockheed West site.  The members of the Council include the United States, on behalf of the U.S. National Oceanic and Atmospheric Administration and the U.S. Department of the Interior, the Washington State Department of Ecology, and the Suquamish and Muckleshoot Indian Tribes (together, the “Trustees”).  The Letter appears to allege that NWCS may be a potentially liable party that allegedly contributed to the release of hazardous substances that have injured natural resources at the LDW Site.  Damages to natural resources are in addition to clean-up costs.  The Letter, versions of which NWCS believes were sent to all or a group of the PRPs for the LDW Site, also notified its recipients of their opportunity to participate in the Trustees’ development of an Assessment Plan and the performance of a Natural Resources Damages Assessment (“NRDA”) in accordance with the Assessment Plan for both the LDW Site and the east and west waterways of the Harbor Island site.  NWCS timely responded with correspondence to the NOAA Office of General Counsel, in which it declined the invitation at that time.  NWCS does not know how other PRPs responded to the Letter, and has not received any further communication from NOAA or the Trustees.  The Trustees have not responded to NWCS’ letter.  The Trustees released their Assessment Plan in March 2019.  The Assessment Plan does not set forth a timeline for implementation.  At this point, the Company is not able to determine the likelihood or amount of an assessment of natural resource damages against NWCS in connection with this matter.

Los Angeles County, California Landfill Expansion Litigation

A. Chiquita Canyon, LLC Lawsuit Against Los Angeles County

In October 2004, the Company’s subsidiary, Chiquita Canyon, LLC (“CCL”), then under prior ownership, filed an application (the “Application”) with the County of Los Angeles (the “County”) Department of Regional Planning (“DRP”) for a conditional use permit (the “CUP”) to authorize the continued operation and expansion of the Chiquita Canyon Landfill (the “Landfill”). The Landfill has operated since 1972, and as a regional landfill, accepted approximately three million tons of materials for disposal and beneficial use in 2016.  The Application requested expansion of the existing waste footprint on CCL’s contiguous property, an increase in maximum elevation, creation of a new entrance and new support facilities, construction of a facility for the County or another third-party operator to host household hazardous waste collection events, designation of an area for mixed organics/composting, and other modifications.

After many years of reviews and delays, upon the recommendation of County staff, the County’s Regional Planning Commission (the “Commission”) approved the Application on April 19, 2017, but imposed operating conditions, fees and exactions that substantially reduce the historical landfill operations and represent a large increase in aggregate taxes and fees. CCL objected to many of the requirements imposed by the Commission.  Current estimates for new costs imposed on CCL under the CUP are in excess of $300,000.

CCL appealed the Commission’s decision to the County Board of Supervisors, but the appeal was not successful.  At a subsequent hearing, on July 25, 2017, the Board of Supervisors approved the CUP.  On October 20, 2017, CCL filed in the Superior Court of California, County of Los Angeles a verified petition for writ of mandate and complaint against the County and the County Board of Supervisors captioned Chiquita Canyon, LLC v. County of Los Angeles, No. BS171262 (Los Angeles Co. Super Ct.) (the “Complaint”).  The Complaint challenges the terms of the CUP in 13 counts generally alleging that the County violated multiple California and federal statutes and California and federal constitutional protections. CCL seeks the following relief: (a) an injunction and writ of mandate against certain of the CUP’s operational restrictions, taxes and fees, (b) a declaration that the challenged conditions are unconstitutional and in violation of state and federal statutes, (c) reimbursement for any such illegal fees paid under protest, (d) damages, (e) an award of just compensation for a taking, (f) attorney fees, and (g) all other appropriate legal and equitable relief.

On December 6, 2017, the County filed a demurrer to the Complaint arguing that the Complaint is legally insufficient to proceed.  At an initial trial-setting hearing on February 8, 2018, the Superior Court suggested that the Complaint should be amended to separate the claims seeking a writ of mandamus against the County.  CCL filed its First Amended Complaint on March 23, 2018.  The County filed its demurrer and motion to strike challenging portions of the First Amended Complaint on April 25, 2018. CCL filed its combined opposition to the demurrer and motion to strike on July 3, 2018. The County filed a combined reply brief on July 10, 2018.  The hearing on the demurrer took place on July 17, 2018.  The Superior Court sustained the demurrer and granted the motion to strike.  The effect of the Court’s rulings was to bar CCL from proceeding with its challenges to 14 of the 29 CUP conditions at issue in the litigation, including 13 operational conditions and CCL’s challenge to the $11,600 B&T Fee discussed below.  The Superior Court set a trial date of June 18, 2019 for the remaining mandamus claims.  The Superior Court granted CCL leave to amend its Complaint if CCL chose to pay the $11,600 B&T fee to allow a challenge to the B&T fee to proceed under the Mitigation Fee Act.  CCL paid the $11,600 B&T fee on August 10, 2018 and filed its Second Amended Complaint on August 16, 2018, reflecting that the B&T fee had been paid under protest and allowing the challenges to the B&T fee to go forward.

On September 14, 2018, CCL sought discretionary review by the California Court of Appeal of the Superior Court’s July 17, 2018 decision barring the challenge to 13 operational conditions.  On October 5, 2018, the Court of Appeal decided to hear CCL’s appeal and, after full briefing by the parties, heard oral argument on January 9, 2019.

On February 25, 2019, the Court of Appeal issued its decision, reversing the trial court orders that granted the County’s motion to strike and demurrer.  The Court of Appeal ruled that CCL had adequately pled a claim that the County was equitably estopped from contending that CCL had forfeited its rights to challenge the legality of the 13 operational conditions.  CCL’s Complaint sets forth that CCL relied on representations made by the County in 2017 that CCL could reserve its legal rights to challenge the CUP in a separate reservation of rights letter rather than the affidavit of acceptance of the CUP that the County compelled Chiquita to file.

At a trial setting conference on May 28, 2019, the equitable estoppel issues in this case were discussed and the Superior Court continued the June 18, 2019 trial date to April 23, 2020.  The Superior Court also set an evidentiary hearing on the equitable estoppel issues for November 12, 2019.  Discovery occurred on these issues in July through September 2019.  CCL will continue to vigorously prosecute the lawsuit.  However, at this point, the Company is not able to determine the likelihood of any outcome in this matter.

B. CEQA Lawsuit Against Los Angeles County Challenging Environmental Review for Landfill Expansion

A separate lawsuit involving CCL and the Landfill was filed on August 24, 2017 by community activists alleging that the environmental review underlying the CUP was inadequate under state law.  The Val Verde Civic Association, Citizens for Chiquita Canyon Landfill Compliance, and the Santa Clarita Organization for Planning the Environment filed a petition for writ of mandate in the Superior Court of California, County of Los Angeles against the County, naming CCL as the real party in interest.  The lawsuit seeks to overturn the County’s approval of the CUP for the expansion of the Landfill and the certification of the final Environmental Impact Report, arguing that the report violates the California Environmental Quality Act.  Pursuant to Condition No. 6 of the CUP, which requires CCL to defend, indemnify, and hold harmless the County, its agents, officers, and employees from any claim or proceeding against the County brought by any third party to attack, set aside, void, or annul the CUP approval, CCL has agreed to reimburse the County for its legal costs associated with defense of the lawsuit.  As the real party in interest, CCL has a right to notice and an opportunity to be heard in opposition to the petition for writ of mandate.  The petitioners filed their Opening Brief with the court on September 27, 2018.  CCL filed its Opposition Brief with the court on November 28, 2018 and the petitioners filed their Reply Brief on December 20, 2018.  A trial date had been scheduled for February 8, 2019, but on February 6, 2019, the court reassigned the case to a different judge and vacated the trial date.  A new trial date was scheduled for August 23, 2019. Just prior to the August 23, 2019 trial, the court issued a tentative ruling that upheld most of the environmental analysis, with one exception relating to mitigation for odor impacts, and also asking the parties for further information relating to air quality monitoring. At the conclusion of oral argument on August 23, 2019, the court asked the parties to return on September 13, 2019 for further oral argument on the odor mitigation issue.  The court did not issue a tentative ruling at the September 13, 2019 hearing, additional oral argument was had, and the court took the matter under submission. The court issued a final ruling on October 10, 2019 denying the writ petition in full and directing the County to prepare a proposed judgment, serve it on the opposing parties for approval as to form, and lodge it with the court. Once the court issues a notice of entry of judgment, the petitioners may file an appeal from the judgment within 60 days or the judgment will be final.

C. December 11, 2017 Notice of Violation Regarding Certain CUP Conditions.

The County, through its DRP, issued a Notice of Violation, dated December 11, 2017 (the “NOV”), alleging that CCL violated certain conditions of the CUP, including Condition 79(B)(6) of the CUP by failing to pay an $11,600 Bridge & Thoroughfare Fee (“B&T Fee”) that was purportedly due on July 25, 2017. The alleged B&T fee was ostensibly to fund the construction of transportation infrastructure in the area of the Landfill. At the time the NOV was issued, CCL had already contested the legality of the B&T fee in the October 20, 2017 Complaint filed against the County in Los Angeles County Superior Court.

On January 12, 2018, CCL filed an appeal of the alleged violations in the NOV.  Subsequently, CCL filed additional legal arguments and exhibits contesting the NOV.  On March 6, 2018, a DRP employee designated as hearing officer sustained the NOV, including the $11,600 B&T fee, and imposed an administrative penalty in the amount of $83 and a noncompliance fee of $0.75. A written decision memorializing the hearing officer’s findings and order, dated July 10, 2018, was received by CCL on July 12, 2018.  On April 13, 2018, CCL filed in the Superior Court of California, County of Los Angeles a Petition for Writ of Administrative Mandamus against the County seeking to overturn the decision sustaining the NOV, contending that the NOV and decision are not supported by the facts or law.  On June 22, 2018, Chiquita filed a Motion for Stay seeking to halt enforcement of the B&T fee and penalty and the accrual of any further penalties pending the resolution of the Petition for Writ of Mandamus. The motion was heard and denied by the Court on July 17, 2018.  As explained above, the Court granted CCL leave to pay the $11,600 B&T fee and to amend its Complaint to reflect the payment under protest, allowing the challenge to the B&T fee to proceed.  CCL paid the B&T fee on August 10, 2018, and also paid on that date the administrative penalty of $83 and a noncompliance fee of $0.75. As directed by the Court, CCL amended its Complaint in a Second Amended Complaint filed in the CUP action on August 16, 2018. The Court indicated that the NOV case would likely be tried in conjunction with the CUP case, set for June 18, 2019, and that the cases would be coordinated.  At the May 29, 2019 trial setting conference referenced above where the trial of the CUP case was set for April 23, 2020, the Superior Court set the trial for the B&T fee/NOV case for June 25, 2020.  At this point, the Company is not able to determine the likelihood of any outcome in this matter.

Town of Colonie, New York Landfill Expansion Litigation

On April 16, 2014, the Town of Colonie (the “Town”) filed an application (the “Application”) with the New York State Department of Environmental Conservation (“DEC”) to modify the Town’s then-current Solid Waste Management Facility Permit and for other related permits to authorize the development and operation of Area 7 of the Town of Colonie Landfill (the “Landfill”), which is located in Albany County, New York.  DEC issued the requested permits on April 5, 2018 (the “Permits”).  The Company’s subsidiary, Capital Region Landfills, Inc. (“CRL”), has been the sole operator of the Landfill since September 2011 pursuant to an operating agreement between CRL and the Town.

On May 7, 2018, the Town of Halfmoon, New York, and five of its residents, commenced an Article 78 special proceeding in the Supreme Court of the State of New York, Saratoga County, against DEC, the Town, CRL, and the Company (the “Halfmoon Proceeding”).  On that same date, the Town of Waterford, New York, and eleven of its residents, also commenced an Article 78 special proceeding in the Supreme Court of the State of New York, Saratoga County, against the same respondents (the “Waterford Proceeding”).  On June 4, 2018, the Town and CRL filed Verified Answers, including motions to dismiss the petitions, and the Company separately moved to dismiss the petitions.  The Waterford Petitioners stipulated to removing the Company as a respondent when they filed an Amended Verified Petition on June 15, 2018.  The Halfmoon Petitioners served an Amended Verified Petition on July 5, 2018, retaining all originally named parties, including the Company.

The Petitioners alleged that, in granting the Permits, DEC failed to comply with the procedural and substantive requirements of New York’s Environmental Conservation Law and State Environmental Quality Review Act, and their implementing regulations.  The Petitioners asked the court to: annul the Permits and invalidate DEC’s Findings Statement, enjoin the Town and CRL from taking any action authorized by the Permits, require an issues conference and possibly an adjudicatory hearing before DEC can re-consider the Town’s permit application; remand all regulatory issues to a DEC Administrative Law Judge; and award costs and disbursements.  The Waterford Petitioners also requested reasonable attorneys’ fees.

On July 13, 2018, the Honorable Ann C. Crowell granted a venue change motion filed by DEC, and ordered that the Halfmoon Proceeding and the Waterford Proceeding be transferred to the Supreme Court, Albany County.  CRL’s opposition submissions, including its responsive pleadings, Memorandum of Law, and supporting Affidavits, were filed

and served on or before July 25, 2018.  On August 28, 2018, the Towns of Waterford and Halfmoon filed a motion seeking an order preliminarily enjoining during the pendency of the proceedings all activities relating to the expansion of the Landfill which are authorized by the Permits.  On September 18, 2018, CRL and the Company filed and served Memoranda of Law in opposition to the preliminary injunction motion, with supporting Affidavits, and, on September 24, 2018, the Towns of Waterford and Halfmoon filed a Reply Memorandum of Law in further support of their injunctive motion.  The Honorable Debra J. Young denied the Petitioners’ motion for preliminary injunction on November 30, 2018.

On January 23, 2019, the court held that the Petitioners lacked standing to maintain the proceedings and dismissed both the Waterford and Halfmoon Amended Verified Petitions in their entirety.  In late February and early March 2019, the Waterford and Halfmoon Petitioners filed notices of appeal to the Appellate Division, Third Department, of both Judge Crowell’s decision to transfer the proceedings to Albany County and of Judge Young’s dismissal of the Amended Verified Petitions.  

On March 7, 2019, the Waterford Petitioners moved, with consent of the Halfmoon Petitioners, to consolidate the appeals.  Respondents opposed the consolidation motion to the extent that it may result in inequitable briefing under the Appellate Division rules.  On April 4, 2019, the Appellate Division, Third Department granted the consolidation motion “to the extent that the appeals shall be heard together and may be perfected upon a joint record on appeal.”

On April 26, 2019, the Waterford Petitioners filed a motion with the Appellate Division, Third Department, seeking an order preliminarily enjoining construction activities or the acceptance of waste at the Landfill.  The Company, CRL, and the Town of Colonie opposed the motion, which was summarily denied by the Third Department, Appellate Division on June 20, 2019.

On June 25, 2019, the Waterford Petitioners filed their appellate brief and the joint record on appeal.  The Halfmoon Petitioners filed their appellate brief on August 21, 2019.  All respondents’ opposition briefs are currently due by November 20, 2019, and the Waterford and Halfmoon Petitioners’ reply briefs will be due ten days from service of same.

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Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and equivalents	$ 303,778	$ 319,305
Accounts receivable, net of allowance for doubtful accounts of $15,369 and $16,760 at September 30, 2019 and December 31, 2018, respectively	676,676	609,545
Prepaid expenses and other current assets	124,836	164,053
Total current assets	1,105,290	1,092,903
Restricted cash	92,050	84,661
Restricted investments	50,602	47,486
Property and equipment, net	5,375,166	5,168,996
Operating lease right-of-use assets	189,697
Goodwill	5,297,556	5,031,685
Intangible assets, net	1,097,036	1,128,628
Other assets, net	62,838	72,970
Total assets	13,270,235	12,627,329
Current liabilities:
Accounts payable	428,492	359,967
Book overdraft	20,429	18,518
Accrued liabilities	299,139	289,544
Current portion of operating lease liabilities	30,162
Current portion of contingent consideration	12,393	11,612
Deferred revenue	200,677	179,282
Current portion of long-term debt and notes payable	502	1,786
Total current liabilities	991,794	860,709
Long-term debt and notes payable	4,039,405	4,153,465
Long-term portion of operating lease liabilities	166,347
Long-term portion of contingent consideration	44,561	43,003
Deferred income taxes	800,223	760,033
Other long-term liabilities	431,565	349,931
Total liabilities	6,473,895	6,167,141
Commitments and contingencies (Note 18)
Equity:
Common shares: 263,697,618 shares issued and 263,616,104 shares outstanding at September 30, 2019; 263,271,302 shares issued and 263,141,413 shares outstanding at December 31, 2018	4,135,343	4,131,307
Additional paid-in capital	147,188	133,577
Accumulated other comprehensive loss	(61,228)	(74,786)
Treasury shares: 81,514 and 129,889 shares at September 30, 2019 and December 31, 2018, respectively
Retained earnings	2,569,663	2,264,510
Total Waste Connections' equity	6,790,966	6,454,608
Noncontrolling interest in subsidiaries	5,374	5,580
Total equity	6,796,340	6,460,188
Total liabilities and shareholders' equity	$ 13,270,235	$ 12,627,329

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Landfill Accounting

9 Months Ended

Sep. 30, 2019

Landfill Accounting [Abstract]

Landfill Accounting

6.LANDFILL ACCOUNTING

At September 30, 2019, the Company’s landfills consisted of 85 owned landfills, seven landfills operated under life-of-site operating agreements, four landfills operated under limited-term operating agreements and one development stage landfill. The Company’s landfills had site costs with a net book value of $2,961,560 at September 30, 2019. For the Company’s landfills operated under limited-term operating agreements and life-of-site operating agreements, the owner of the property (generally a municipality) usually owns the permit and the Company operates the landfill for a contracted term. Where the contracted term is not the life of the landfill, the property owner is generally responsible for final capping, closure and post-closure obligations. The Company is responsible for all final capping, closure and post-closure liabilities at the landfills it operates under life-of-site operating agreements.

The Company’s internal and third-party engineers perform surveys at least annually to estimate the remaining disposal capacity at its landfills. Many of the Company’s existing landfills have the potential for expanded disposal capacity beyond

the amount currently permitted. The Company’s landfill depletion rates are based on the remaining disposal capacity, considering both permitted and probable expansion airspace, at the landfills it owns and landfills it operates, but does not own, under life-of-site agreements. The Company’s landfill depletion rate is based on the term of the operating agreement at its operated landfill that has capitalized expenditures. Expansion airspace consists of additional disposal capacity being pursued through means of an expansion that has not yet been permitted. Expansion airspace that meets certain criteria is included in the estimate of total landfill airspace.

Based on remaining permitted capacity as of September 30, 2019, and projected annual disposal volumes, the average remaining landfill life for the Company’s owned landfills and landfills operated under life-of-site operating agreements is estimated to be approximately 27 years. As of September 30, 2019, the Company is seeking to expand permitted capacity at six of its owned landfills and three landfills that it operates under life-of-site operating agreements, and considers the achievement of these expansions to be probable. Although the Company cannot be certain that all future expansions will be permitted as designed, the average remaining life, when considering remaining permitted capacity, probable expansion capacity and projected annual disposal volume, of the Company’s owned landfills and landfills operated under life-of-site operating agreements is approximately 30 years, with lives ranging from approximately 1 to 177 years.

During the nine months ended September 30, 2019 and 2018, the Company expensed $169,064 and $153,010, respectively, or an average of $4.77 and $4.58 per ton consumed, respectively, related to landfill depletion at owned landfills and landfills operated under life-of-site agreements.

The Company reserves for estimated final capping, closure and post-closure maintenance obligations at the landfills it owns and landfills it operates under life-of-site operating agreements. The Company calculates the net present value of its final capping, closure and post-closure liabilities by estimating the total obligation in current dollars, inflating the obligation based upon the expected date of the expenditure and discounting the inflated total to its present value using a credit-adjusted risk-free rate. Any changes in expectations that result in an upward revision to the estimated undiscounted cash flows are treated as a new liability and are inflated and discounted at rates reflecting current market conditions. Any changes in expectations that result in a downward revision (or no revision) to the estimated undiscounted cash flows result in a liability that is inflated and discounted at rates reflecting the market conditions at the time the cash flows were originally estimated. This policy results in the Company’s final capping, closure and post-closure liabilities being recorded in “layers.”  The Company’s discount rate assumption for purposes of computing 2019 and 2018 “layers” for final capping, closure and post-closure obligations was 4.75% for both years, which reflects the Company’s long-term credit adjusted risk free rate as of the end of both 2018 and 2017. The Company’s inflation rate assumption is 2.5% for the years ending December 31, 2019 and 2018. The resulting final capping, closure and post-closure obligations are recorded on the condensed consolidated balance sheet along with an offsetting addition to site costs which is amortized to depletion expense as the remaining landfill airspace is consumed. Interest is accreted on the recorded liability using the corresponding discount rate. During the nine months ended September 30, 2019 and 2018, the Company expensed $10,656 and $9,583 respectively, or an average of $0.30 and $0.29 per ton consumed, respectively, related to final capping, closure and post-closure accretion expense.

The following is a reconciliation of the Company’s final capping, closure and post-closure liability balance from December 31, 2018 to September 30, 2019:

Final capping, closure and post-closure liability at December 31, 2018	$	251,782
Liabilities incurred		15,573
Accretion expense associated with landfill obligations		10,656
Closure payments		(1,203)
Assumption of closure liabilities from acquisitions		8,707
Foreign currency translation adjustment		1,146
Final capping, closure and post-closure liability at September 30, 2019	$	286,661

Liabilities incurred of $15,573 for the nine months ended September 30, 2019, represent non-cash increases to final capping, closure and post-closure liabilities and are recorded on the Condensed Consolidated Balance Sheets along with an offsetting addition to site costs, which is amortized to depletion expense as the remaining landfill airspace is consumed. The final capping, closure and post-closure liability is included in Other long-term liabilities in the Condensed Consolidated Balance Sheets.  The Company performs its annual review of its cost and capacity estimates in the first quarter of each year.

At September 30, 2019 and December 31, 2018, $11,538 and $12,325, respectively, of the Company’s restricted cash balance and $47,993 and $44,939, respectively, of the Company’s restricted investments balance was for purposes of securing its performance of future final capping, closure and post-closure obligations.

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Long-Term Debt

9 Months Ended

Sep. 30, 2019

Long-Term Debt [Abstract]

Long-Term Debt

10.LONG-TERM DEBT

The following table presents the Company’s long-term debt as of September 30, 2019 and December 31, 2018:

	September 30,		December 31,
	2019		2018
Revolver under Credit Agreement, bearing interest ranging from 3.05% to 3.14% (a)	$	427,806	$	481,610
Term loan under Credit Agreement, bearing interest at 3.14% (a)		700,000		1,237,500
5.25% Senior Notes due 2019 (b)		175,000		175,000
4.64% Senior Notes due 2021		100,000		100,000
2.39% Senior Notes due 2021		150,000		150,000
3.09% Senior Notes due 2022		125,000		125,000
2.75% Senior Notes due 2023		200,000		200,000
3.24% Senior Notes due 2024		150,000		150,000
3.41% Senior Notes due 2025		375,000		375,000
3.03% Senior Notes due 2026		400,000		400,000
3.49% Senior Notes due 2027		250,000		250,000
4.25% Senior Notes due 2028		500,000		500,000
3.50% Senior Notes due 2029		500,000		—
Tax-exempt bonds		—		15,930
Notes payable to sellers and other third parties, bearing interest ranging from 2.75% to 10.90%, principal and interest payments due periodically with due dates ranging from 2019 to 2036 (a)		9,705		14,653
		4,062,511		4,174,693
Less – current portion		(502)		(1,786)
Less – debt issuance costs		(22,604)		(19,442)
	$	4,039,405	$	4,153,465

____________________

(a) Interest rates represent the interest rates incurred at September 30, 2019.

(b) The Company has recorded the 2019 Senior Notes in long-term in the table above as the Company has the intent and ability to redeem the 2019 Senior Notes on November 1, 2019 using borrowings under the Credit Agreement.

2029 Senior Notes

On April 16, 2019, the Company completed an underwritten public offering of $500,000 aggregate principal amount of 3.50% Senior Notes due 2029 (the “2029 Senior Notes”).  The 2029 Senior Notes were issued under the Indenture, dated as of November 16, 2018 (the “Base Indenture”), by and between the Company and U.S. Bank National Association, as trustee (the “Trustee”), as supplemented by the Second Supplemental Indenture, dated as of April 16, 2019 (the Base Indenture as so supplemented, the “Indenture”).  

The Company will pay interest on the 2029 Senior Notes semi-annually, commencing on November 1, 2019, and the 2029 Senior Notes will mature on May 1, 2029. The 2029 Senior Notes are senior unsecured obligations, ranking equally in right of payment with the Company’s other existing and future unsubordinated debt and senior to any of the Company’s future subordinated debt. The 2029 Senior Notes are not guaranteed by any of the Company’s subsidiaries.

The Company may redeem some or all of the 2029 Senior Notes at its option prior to February 1, 2029 (three months before the maturity date) at any time and from time to time at a redemption price equal to the greater of 100% of the principal amount of the 2029 Senior Notes redeemed, or the sum of the present values of the remaining scheduled payments of principal and interest on the 2029 Senior Notes redeemed, plus accrued and unpaid interest to, but excluding, the

redemption date. Commencing on February 1, 2029 (three months before the maturity date), the Company may redeem some or all of the 2029 Senior Notes, at any time and from time to time, at a redemption price equal to the principal amount of the 2029 Senior Notes being redeemed plus accrued and unpaid interest to, but excluding, the redemption date.

Under certain circumstances, the Company may become obligated to pay additional amounts (the “Additional Amounts”) with respect to the 2029 Senior Notes to ensure that the net amounts received by each holder of the 2029 Senior Notes will not be less than the amount such holder would have received if withholding taxes or deductions were not incurred on a payment under or with respect to the 2029 Senior Notes. If such payment of Additional Amounts is a result of a change in the laws or regulations, including a change in any official position, the introduction of an official position or a holding by a court of competent jurisdiction, of any jurisdiction from or through which payment is made by or on behalf of the 2029 Senior Notes having power to tax, and the Company cannot avoid such payments of Additional Amounts through reasonable measures, then the Company may redeem the 2029 Senior Notes then outstanding at a redemption price equal to 100% of the principal amount thereof, plus accrued and unpaid interest, if any, to, but excluding, the redemption date (subject to the right of holders of record on the relevant record date to receive interest due on an interest payment date that is on or prior to the redemption date).

If the Company experiences certain kinds of changes of control, each holder of the 2029 Senior Notes may require the Company to repurchase all or a portion of the 2029 Senior Notes for cash at a price equal to 101% of the aggregate principal amount of such 2029 Senior Notes, plus any accrued but unpaid interest to, but excluding, the date of repurchase.

The covenants in the Indenture include limitations on liens, sale-leaseback transactions and mergers and sales of all or substantially all of the Company’s assets. The Indenture also includes customary events of default with respect to the 2029 Senior Notes. As of September 30, 2019, the Company was in compliance with all applicable covenants in the Indenture.

Upon an event of default, the principal of and accrued and unpaid interest on all the 2029 Senior Notes may be declared to be due and payable by the Trustee or the holders of not less than 25% in principal amount of the outstanding 2029 Senior Notes. Upon such a declaration, such principal and accrued interest on all of the 2029 Senior Notes will be due and payable immediately. In the case of an event of default resulting from certain events of bankruptcy, insolvency or reorganization, the principal (or such specified amount) of and accrued and unpaid interest, if any, on all outstanding 2029 Senior Notes will become and be immediately due and payable without any declaration or other act on the part of the Trustee or any holder of the 2029 Senior Notes.

Credit Agreement

Details of the Credit Agreement are as follows:

	September 30,			December 31,
	2019			2018
Revolver under Credit Agreement
Available	$	1,012,786		$	955,779
Letters of credit outstanding	$	121,908		$	125,111
Total amount drawn, as follows:	$	427,806		$	481,610
Amount drawn - U.S. LIBOR rate loan	$	382,500		$	357,000
Interest rate applicable - U.S. LIBOR rate loan		3.14	%		3.62	%
Amount drawn – Canadian bankers’ acceptance	$	45,306		$	124,610
Interest rate applicable – Canadian bankers’ acceptance		3.05	%		3.40	%
Commitment – rate applicable		0.12	%		0.12	%
Term loan under Credit Agreement
Amount drawn – U.S. based LIBOR loan	$	700,000		$	1,237,500
Interest rate applicable – U.S. based LIBOR loan		3.14	%		3.62	%

Tax Exempt Bonds

In January 2019, the Company gave notice to redeem its LeMay Washington Bond with a remaining principal balance of $15,930. The Company paid in full the principal and accrued interest on this bond on March 6, 2019.

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Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2019

Segment Reporting [Abstract]

Summary of Financial Information Concerning Company's Reportable Segments

Summarized financial information concerning the Company’s reportable segments for the three and nine months ended September 30, 2019 and 2018, is shown in the following tables:

Three Months Ended			Intercompany		Reported		Segment
September 30, 2019	Revenue		Revenue(b)		Revenue		EBITDA(c)
Eastern	$	399,936	$	(69,049)	$	330,887	$	88,101
Southern		347,630		(42,442)		305,188		77,406
Western		324,859		(35,651)		289,208		90,059
Central		262,737		(32,663)		230,074		81,746
Canada		217,879		(27,059)		190,820		66,794
E&P		69,503		(3,236)		66,267		35,803
Corporate(a)		—		—		—		(446)
	$	1,622,544	$	(210,100)	$	1,412,444	$	439,463

Three Months Ended			Intercompany		Reported		Segment
September 30, 2018	Revenue		Revenue(b)		Revenue		EBITDA(c)
Eastern	$	349,212	$	(64,347)	$	284,865	$	82,733
Southern		321,306		(38,266)		283,040		70,159
Western		303,614		(32,596)		271,018		86,174
Central		218,124		(28,221)		189,903		71,276
Canada		211,682		(24,628)		187,054		68,819
E&P		67,348		(2,118)		65,230		35,099
Corporate(a)		—		—		—		(8,286)
	$	1,471,286	$	(190,176)	$	1,281,110	$	405,974

Nine Months Ended			Intercompany		Reported		Segment
September 30, 2019	Revenue		Revenue(b)		Revenue		EBITDA(c)
Eastern	$	1,137,258	$	(189,924)	$	947,334	$	250,106
Southern		1,011,572		(121,040)		890,532		226,294
Western		922,737		(101,552)		821,185		253,504
Central		715,997		(89,685)		626,312		219,280
Canada		624,470		(76,776)		547,694		193,702
E&P		202,553		(8,891)		193,662		100,845
Corporate(a)		—		—		—		(11,751)
	$	4,614,587	$	(587,868)	$	4,026,719	$	1,231,980

Nine Months Ended			Intercompany		Reported		Segment
September 30, 2018	Revenue		Revenue(b)		Revenue		EBITDA(c)
Eastern	$	953,165	$	(164,253)	$	788,912	$	222,772
Southern		951,313		(111,824)		839,489		207,853
Western		874,464		(94,584)		779,880		240,006
Central		604,823		(77,337)		527,486		195,018
Canada		615,157		(71,290)		543,867		195,390
E&P		186,734		(5,159)		181,575		95,009
Corporate(a)		—		—		—		(14,368)
	$	4,185,656	$	(524,447)	$	3,661,209	$	1,141,680

____________________

(a) Corporate functions include accounting, legal, tax, treasury, information technology, risk management, human resources, training and other administrative functions. Amounts reflected are net of allocations to the six operating segments.

(b) Intercompany revenues reflect each segment’s total intercompany sales, including intercompany sales within a segment and between segments. Transactions within and between segments are generally made on a basis intended to reflect the market value of the service.

(c) For those items included in the determination of segment EBITDA, the accounting policies of the segments are the same as those described in the Company’s most recent Annual Report on Form 10-K.

Total Assets for Reportable Segments

Total assets for each of the Company’s reportable segments at September 30, 2019 and December 31, 2018, were as follows:

	September 30,		December 31,
	2019		2018
Eastern	$	2,737,208	$	2,673,316
Southern		2,994,260		2,892,994
Western		1,697,050		1,596,129
Central		1,884,207		1,506,326
Canada		2,454,152		2,412,971
E&P		962,761		969,808
Corporate		540,597		575,785
Total Assets	$	13,270,235	$	12,627,329

Changes in Goodwill by Reportable Segment

The following tables show changes in goodwill during the nine months ended September 30, 2019 and 2018, by reportable segment:

	Eastern		Southern		Western		Central		Canada		E&P		Total
Balance as of December 31, 2018	$	1,143,355	$	1,517,610	$	398,174	$	523,566	$	1,448,980	$	—	$	5,031,685
Goodwill transferred		(16,869)		—		—		16,869		—		—		—
Goodwill acquired		22,146		10,329		1,334		189,194		25		—		223,028
Goodwill divested		—		(845)		—		—		—		—		(845)
Impact of changes in foreign currency		—		—		—		—		43,688		—		43,688
Balance as of September 30, 2019	$	1,148,632	$	1,527,094	$	399,508	$	729,629	$	1,492,693	$	—	$	5,297,556

	Eastern		Southern		Western		Central		Canada		E&P		Total
Balance as of December 31, 2017	$	804,133	$	1,436,320	$	397,508	$	468,275	$	1,575,538	$	—	$	4,681,774
Goodwill transferred		(16,869)		—		—		16,869		—		—		—
Goodwill acquired		122,136		4,800		666		42,197		151		—		169,950
Goodwill adjustment for assets held for sale		—		10,194		—		—		—		—		10,194
Impact of changes in foreign currency		—		—		—		—		(48,622)		—		(48,622)
Balance as of September 30, 2018	$	909,400	$	1,451,314	$	398,174	$	527,341	$	1,527,067	$	—	$	4,813,296

Reconciliation of Primary Measure of Segment Profitability to Income Before Income Tax Provision

A reconciliation of the Company’s primary measure of segment profitability (segment EBITDA) to Income before income tax provision in the Condensed Consolidated Statements of Net Income is as follows:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2019		2018		2019		2018
Eastern segment EBITDA	$	88,101	$	82,733	$	250,106	$	222,772
Southern segment EBITDA		77,406		70,159		226,294		207,853
Western segment EBITDA		90,059		86,174		253,504		240,006
Central segment EBITDA		81,746		71,276		219,280		195,018
Canada segment EBITDA		66,794		68,819		193,702		195,390
E&P segment EBITDA		35,803		35,099		100,845		95,009
Subtotal reportable segments		439,909		414,260		1,243,731		1,156,048
Unallocated corporate overhead		(446)		(8,286)		(11,751)		(14,368)
Depreciation		(157,994)		(148,232)		(461,616)		(423,866)
Amortization of intangibles		(31,934)		(26,871)		(93,821)		(79,444)
Impairments and other operating items		(12,935)		1,998		(32,949)		(6,106)
Interest expense		(36,780)		(32,078)		(111,313)		(96,874)
Interest income		2,056		1,467		7,186		3,677
Other income (expense), net		(19)		600		4,562		2,053
Income before income tax provision	$	201,857	$	202,858	$	544,029	$	541,120

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Acquisitions (Tables)

9 Months Ended

Sep. 30, 2019

Acquisitions [Abstract]

Summary of Consideration Transferred to Acquire Businesses and Amounts of Identifiable Assets Acquired, Liabilities Assumed and Noncontrolling Interests

The following table summarizes the consideration transferred to acquire these businesses and the preliminary amounts of identifiable assets acquired and liabilities assumed at the acquisition dates for the acquisitions consummated in the nine months ended September 30, 2019 and 2018:

	2019		2018
	Acquisitions		Acquisitions
Fair value of consideration transferred:
Cash	$	420,392	$	500,064
Debt assumed		50,574		65,010
		470,966		565,074
Recognized amounts of identifiable assets acquired and liabilities assumed associated with businesses acquired:
Accounts receivable		15,042		12,817
Prepaid expenses and other current assets		5,079		2,355
Property and equipment		210,105		346,275
Long-term franchise agreements and contracts		14,838		10,888
Customer lists		28,467		27,330
Permits and other intangibles		17,835		31,183
Other assets		7		19
Accounts payable and accrued liabilities		(11,310)		(3,982)
Deferred revenue		(9,128)		(4,169)
Contingent consideration		(1,003)		(11,669)
Other long-term liabilities		(8,707)		(15,532)
Deferred income taxes		(13,287)		(391)
Total identifiable net assets		247,938		395,124
Goodwill	$	223,028	$	169,950

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2019

Fair Value [Abstract]

Assets and Liabilities Measured at Fair Value on Recurring Basis

The Company’s assets and liabilities measured at fair value on a recurring basis at September 30, 2019 and December 31, 2018, were as follows:

	Fair Value Measurement at September 30, 2019 Using
			Quoted Prices in		Significant
			Active Markets		Other		Significant
			for Identical		Observable		Unobservable
			Assets		Inputs		Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Interest rate swap derivative instruments – net liability position	$	(51,640)	$	—	$	(51,640)	$	—
Restricted cash and investments	$	142,291	$	—	$	142,291	$	—
Contingent consideration	$	(56,954)	$	—	$	—	$	(56,954)

	Fair Value Measurement at December 31, 2018 Using
			Quoted Prices in		Significant
			Active Markets		Other		Significant
			for Identical		Observable		Unobservable
			Assets		Inputs		Inputs
	Total		(Level 1)		(Level 2)		(Level 3)
Interest rate swap derivative instruments – net asset position	$	12,098	$	—	$	12,098	$	—
Restricted cash and investments	$	131,422	$	—	$	131,422	$	—
Contingent consideration	$	(54,615)	$	—	$	—	$	(54,615)

Change in Fair Value for Level 3 Derivatives

The following table summarizes the changes in the fair value for Level 3 derivatives for the nine months ended September 30, 2019 and 2018:

	Nine Months Ended September 30,
	2019		2018
Beginning balance	$	—	$	3,880
Realized gains included in earnings		—		(2,837)
Unrealized gains included in AOCIL		—		2,661
Ending balance	$	—	$	3,704

Fair Value for Level 3 Liabilities

The following table summarizes the changes in the fair value for Level 3 liabilities related to contingent consideration for the nine months ended September 30, 2019 and 2018:

	Nine Months Ended September 30,
	2019		2018
Beginning balance	$	54,615	$	47,285
Contingent consideration recorded at acquisition date		1,003		11,669
Payment of contingent consideration recorded at acquisition date		(1,621)		(5,459)
Payment of contingent consideration recorded in earnings		—		(11)
Adjustments to contingent consideration		1,466		349
Interest accretion expense		1,383		1,308
Foreign currency translation adjustment		108		(117)
Ending balance	$	56,954	$	55,024

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Segment Reporting (Summary of Financial Information Concerning Company's Reportable Segments) (Detail) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2019 USD ($) segment	Sep. 30, 2018 USD ($) segment	Sep. 30, 2019 USD ($) segment	Sep. 30, 2018 USD ($) segment
Segment Reporting Information [Line Items]
Revenue		$ 1,412,444	$ 1,281,110	$ 4,026,719	$ 3,661,209
Segment EBITDA	[1]	439,463	405,974	1,231,980	1,141,680
Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue		1,622,544	1,471,286	4,614,587	4,185,656
Segment EBITDA		439,909	414,260	1,243,731	1,156,048
Intercompany Revenue [Member]
Segment Reporting Information [Line Items]
Revenue	[2]	(210,100)	(190,176)	(587,868)	(524,447)
Eastern [Member]
Segment Reporting Information [Line Items]
Revenue		330,887	284,865	947,334	788,912
Segment EBITDA	[1]	88,101	82,733	250,106	222,772
Eastern [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue		399,936	349,212	1,137,258	953,165
Eastern [Member] | Intercompany Revenue [Member]
Segment Reporting Information [Line Items]
Revenue	[2]	(69,049)	(64,347)	(189,924)	(164,253)
Southern [Member]
Segment Reporting Information [Line Items]
Revenue		305,188	283,040	890,532	839,489
Segment EBITDA	[1]	77,406	70,159	226,294	207,853
Southern [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue		347,630	321,306	1,011,572	951,313
Southern [Member] | Intercompany Revenue [Member]
Segment Reporting Information [Line Items]
Revenue	[2]	(42,442)	(38,266)	(121,040)	(111,824)
Western [Member]
Segment Reporting Information [Line Items]
Revenue		289,208	271,018	821,185	779,880
Segment EBITDA	[1]	90,059	86,174	253,504	240,006
Western [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue		324,859	303,614	922,737	874,464
Western [Member] | Intercompany Revenue [Member]
Segment Reporting Information [Line Items]
Revenue	[2]	(35,651)	(32,596)	(101,552)	(94,584)
Central [Member]
Segment Reporting Information [Line Items]
Revenue		230,074	189,903	626,312	527,486
Segment EBITDA	[1]	81,746	71,276	219,280	195,018
Central [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue		262,737	218,124	715,997	604,823
Central [Member] | Intercompany Revenue [Member]
Segment Reporting Information [Line Items]
Revenue	[2]	(32,663)	(28,221)	(89,685)	(77,337)
Canada [Member]
Segment Reporting Information [Line Items]
Revenue		190,820	187,054	547,694	543,867
Segment EBITDA	[1]	66,794	68,819	193,702	195,390
Canada [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue		217,879	211,682	624,470	615,157
Canada [Member] | Intercompany Revenue [Member]
Segment Reporting Information [Line Items]
Revenue	[2]	(27,059)	(24,628)	(76,776)	(71,290)
Exploration and Production [Member]
Segment Reporting Information [Line Items]
Revenue		66,267	65,230	193,662	181,575
Segment EBITDA	[1]	35,803	35,099	100,845	95,009
Exploration and Production [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue		69,503	67,348	202,553	186,734
Exploration and Production [Member] | Intercompany Revenue [Member]
Segment Reporting Information [Line Items]
Revenue	[2]	(3,236)	(2,118)	(8,891)	(5,159)
Corporate [Member]
Segment Reporting Information [Line Items]
Revenue
Segment EBITDA	[1],[3]	$ (446)	$ (8,286)	$ (11,751)	$ (14,368)
Number of operating segments | segment		6	6	6	6
Corporate [Member] | Operating Segments [Member]
Segment Reporting Information [Line Items]
Revenue
Corporate [Member] | Intercompany Revenue [Member]
Segment Reporting Information [Line Items]
Revenue

[1] For those items included in the determination of segment EBITDA, the accounting policies of the segments are the same as those described in the Company’s most recent Annual Report on Form 10-K.

[2] Intercompany revenues reflect each segment’s total intercompany sales, including intercompany sales within a segment and between segments. Transactions within and between segments are generally made on a basis intended to reflect the market value of the service.

[3] Corporate functions include accounting, legal, tax, treasury, information technology, risk management, human resources, training and other administrative functions. Amounts reflected are net of allocations to the six operating segments.

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Leases (Operating Lease) (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019 USD ($)	Sep. 30, 2019 USD ($)
Lease cost for operating leases
Operating lease cost	$ 9,696	$ 28,886
Operating cash flow information: Cash paid for amounts included in the measurement of lease liabilities		28,374
Non-cash activity: Right-of-use assets obtained in exchange for lease liabilities		$ 7,363
Weighted average remaining lease term	8 years 10 months 24 days	8 years 10 months 24 days
Weighted average discount rate	3.99%	3.99%

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Long-Term Debt (Long-Term Debt) (Detail) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2019	Apr. 16, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Total debt		$ 4,062,511		$ 4,174,693
Less - current portion		(502)		(1,786)
Less - debt issuance costs		(22,604)		(19,442)
Long-term debt and notes payable		4,039,405		4,153,465
Credit Agreement [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total debt	[1]	$ 427,806		481,610
Credit Agreement [Member] | Revolving Credit Facility [Member] | Minimum [Member]
Debt Instrument [Line Items]
Interest rate		3.05%
Credit Agreement [Member] | Revolving Credit Facility [Member] | Maximum [Member]
Debt Instrument [Line Items]
Interest rate		3.14%
Credit Agreement [Member] | Term Loan Facility [Member]
Debt Instrument [Line Items]
Total debt	[1]	$ 700,000		1,237,500
Interest rate		3.14%
Senior Notes due 2019 [Member] | Senior notes
Debt Instrument [Line Items]
Total debt	[2]	$ 175,000		$ 175,000
Interest rate		5.25%		5.25%
Senior note year due		2019
Senior Notes due 2021 [Member] | Senior notes
Debt Instrument [Line Items]
Total debt		$ 100,000		$ 100,000
Interest rate		4.64%		4.64%
Senior note year due		2021
New Senior Notes due 2021 [Member] | Senior notes
Debt Instrument [Line Items]
Total debt		$ 150,000		$ 150,000
Interest rate		2.39%		2.39%
Senior note year due		2021
Senior Notes due 2022 [Member] | Senior notes
Debt Instrument [Line Items]
Total debt		$ 125,000		$ 125,000
Interest rate		3.09%		3.09%
Senior note year due		2022
Senior Notes due 2023 [Member] | Senior notes
Debt Instrument [Line Items]
Total debt		$ 200,000		$ 200,000
Interest rate		2.75%		2.75%
Senior note year due		2023
Senior Notes due 2024 [Member] | Senior notes
Debt Instrument [Line Items]
Total debt		$ 150,000		$ 150,000
Interest rate		3.24%		3.24%
Senior note year due		2024
Senior Notes due 2025 [Member] | Senior notes
Debt Instrument [Line Items]
Total debt		$ 375,000		$ 375,000
Interest rate		3.41%		3.41%
Senior note year due		2025
Senior Notes due 2026 [Member] | Senior notes
Debt Instrument [Line Items]
Total debt		$ 400,000		$ 400,000
Interest rate		3.03%		3.03%
Senior note year due		2026
Senior Notes due 2027 [Member] | Senior notes
Debt Instrument [Line Items]
Total debt		$ 250,000		$ 250,000
Interest rate		3.49%		3.49%
Senior note year due		2027
Senior Notes due 2028 [Member] | Senior notes
Debt Instrument [Line Items]
Total debt		$ 500,000		$ 500,000
Interest rate		4.25%		4.25%
Senior note year due		2028
Senior Notes due 2029 [Member] | Senior notes
Debt Instrument [Line Items]
Total debt		$ 500,000
Interest rate		3.50%	3.50%
Senior note year due		2029
Tax-exempt Bonds [Member]
Debt Instrument [Line Items]
Total debt	[1]			$ 15,930
Notes Payable to Sellers and Other Third Parties [Member]
Debt Instrument [Line Items]
Total debt	[1]	$ 9,705		$ 14,653
Debt maturity, start		2019
Debt maturity, end		2036
Notes Payable to Sellers and Other Third Parties [Member] | Minimum [Member]
Debt Instrument [Line Items]
Interest rate	[1]	2.75%
Notes Payable to Sellers and Other Third Parties [Member] | Maximum [Member]
Debt Instrument [Line Items]
Interest rate	[1]	10.90%

[1] Interest rates represent the interest rates incurred at September 30, 2019

[2] The Company has recorded the 2019 Senior Notes in long-term in the table above as the Company has the intent and ability to redeem the 2019 Senior Notes on November 1, 2019 using borrowings under the Credit Agreement

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Shareholders' Equity (Summary of Warrant and Deferred Share Unit Activity) (Detail) - Deferred Share Units [Member]	9 Months Ended
	Sep. 30, 2019 shares
Warrant
Outstanding at beginning	17,176
Granted	3,804
Cash settled	(2,010)
Outstanding at ending	18,970

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Other Comprehensive Income (Loss) (Components of Other Comprehensive Income (Loss)) (Detail) - USD ($) $ in Thousands		3 Months Ended								9 Months Ended
		Sep. 30, 2019		Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018		Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019		Sep. 30, 2018
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amount of Gain or (Loss) Recognized from AOCIL into Earnings, Net of Tax		$ 1,451	[1],[2]	$ 1,817	$ 1,817					$ 5,085	[1],[2]
Amount of Gain or (Loss) Recognized as AOCIL on Derivatives, Net of Tax		(11,379)	[3]	(18,827)	(11,555)					(41,761)	[3]
Foreign currency translation adjustment, gross		(24,911)				$ 35,455				60,404		$ (67,349)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total		(24,911)		43,135	42,180	35,455		$ (43,474)	$ (59,330)			(67,349)
Other Comprehensive Income (Loss), before Tax		(42,367)								(3,332)
Other Comprehensive Income (Loss), Tax		(4,626)				985				(16,890)		4,405
Other comprehensive income (loss), net of tax		(37,741)				38,097				13,558		(55,210)
Other comprehensive income (loss), gross total, before ASU 2017-12						39,082						(50,805)
Income tax (benefit) expense related to items of other comprehensive income loss						(985)						(4,405)
Amounts reclassified, net of tax						(1,786)	[1],[2]	2,204	1,303			1,721	[1],[2]
Changes in fair value, net of taxes						856	[3]	3,890	9,114			13,860	[3]
Other comprehensive income (loss), total, net of tax						38,097						(55,210)
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amount of Gain or (Loss) Recognized from AOCIL into Earnings, Net of Tax		1,451		1,817	1,817
Amount of Gain or (Loss) Recognized as AOCIL on Derivatives, Net of Tax		(11,379)		(18,827)	(11,555)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total		(24,911)		$ 43,135	$ 42,180	35,455		(43,474)	(59,330)	60,404
Amounts reclassified, net of tax						(1,786)		2,204	1,303
Changes in fair value, net of taxes						856		$ 3,890	$ 9,114
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation adjustment, gross		(24,911)				35,455				60,404		(67,349)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total		(24,911)				35,455				60,404		(67,349)
Interest Rate Swap [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax		(1,974)								(6,918)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax		(15,482)								(56,818)
Amount of Gain or (Loss) Recognized as AOCIL on Derivatives, Net of Tax	[3]	(11,379)								(41,761)
Amounts reclassified, gross						4,279						2,407
Changes in fair value, gross						863						15,828
Amounts reclassified, net of tax												(1,769)
Changes in fair value, net of taxes	[3]					634						11,634
Interest Rate Swap [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax		(1,974)								(6,918)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax		523								1,833
Amount of Gain or (Loss) Recognized from AOCIL into Earnings, Net of Tax		(1,451)								(5,085)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax		(15,482)								(56,818)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax		4,103								15,057
Amount of Gain or (Loss) Recognized as AOCIL on Derivatives, Net of Tax		(11,379)								(41,761)
Interest Rate Swap [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified, gross						4,279						2,407
Changes in fair value, gross						863						15,828
Amounts reclassified, tax effect						(1,134)						(638)
Changes in fair value, tax effect						(229)						(4,194)
Amounts reclassified, net of tax						3,145						1,769
Changes in fair value, net of taxes						634						11,634
Fuel [Member] | Commodity Contract [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amount of Gain or (Loss) Recognized as AOCIL on Derivatives, Net of Tax		0								0
Amounts reclassified, gross						(1,810)						(4,647)
Changes in fair value, gross						295						2,956
Amounts reclassified, net of tax												3,490
Changes in fair value, net of taxes	[3]					222						2,226
Fuel [Member] | Commodity Contract [Member] | Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amounts reclassified, gross						(1,810)						(4,647)
Changes in fair value, gross						295						2,956
Amounts reclassified, tax effect						451						1,157
Changes in fair value, tax effect						(73)						(730)
Amounts reclassified, net of tax						(1,359)						(3,490)
Changes in fair value, net of taxes						222						2,226
Interest Expense [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amount of Gain or (Loss) Recognized from AOCIL into Earnings, Net of Tax	[1],[2]	1,451								5,085
Amounts reclassified, net of tax	[1],[2]					(3,145)						(1,769)
Cost of Operations [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Amount of Gain or (Loss) Recognized from AOCIL into Earnings, Net of Tax		$ 0								$ 0
Amounts reclassified, net of tax	[1],[2]					$ 1,359						$ 3,490

[1] Amounts reclassified from AOCIL into earnings related to realized gains and losses on interest rate swaps are recognized when interest payments or receipts occur related to the swap contracts, which correspond to when interest payments are made on the Company’s hedged debt.

[2] Amounts reclassified from AOCIL into earnings related to realized gains and losses on the fuel hedges are recognized when settlement payments or receipts occur related to the hedge contracts, which correspond to when the underlying fuel is consumed.

[3] In accordance with the derivatives and hedging guidance, the changes in fair values of interest rate swaps and fuel hedges have been recorded in equity as a component of AOCIL. As the critical terms of the interest rate swaps match the underlying debt being hedged, all unrealized changes in fair value are recorded in AOCIL. Because changes in the actual price of diesel fuel and changes in the DOE index price did not offset exactly each reporting period, the Company assessed whether the fuel hedges were highly effective using the cumulative dollar offset approach.

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Revenue

9 Months Ended

Sep. 30, 2019

Revenue [Abstract]

Revenue

5.REVENUE

The Company’s operations primarily consist of providing non-hazardous waste collection, transfer, disposal and recycling services, non-hazardous exploration and production (“E&P”) waste treatment, recovery and disposal services

and intermodal services. The following table disaggregates the Company’s revenues by service line for the periods indicated:

		Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Commercial	$	408,415	$	369,543	$	1,186,565	$	1,080,261
Residential		355,574		300,026		1,024,105		881,927
Industrial and construction roll off		226,801		202,130		629,597		573,877
Total collection		990,790		871,699		2,840,267		2,536,065
Landfill		310,633		285,945		852,073		790,056
Transfer		209,585		187,961		575,337		495,317
Recycling		14,142		23,371		50,676		69,559
E&P		70,874		68,049		205,743		189,071
Intermodal and other		26,520		34,261		90,491		105,588
Intercompany		(210,100)		(190,176)		(587,868)		(524,447)
Total	$	1,412,444	$	1,281,110	$	4,026,719	$	3,661,209

The factors that impact the timing and amount of revenue recognized for each service line may vary based on the nature of the service performed. Generally, the Company recognizes revenue at the time it performs a service. In the event that the Company bills for services in advance of performance, it recognizes deferred revenue for the amount billed and subsequently recognizes revenue at the time the service is provided.  Substantially all of the deferred revenue recorded as of June 30, 2019 was recognized as revenue during the three months ended September 30, 2019 when the service was performed.

See Note 11 for additional information regarding revenue by reportable segment.

Contract Acquisition Costs

The incremental direct costs of obtaining a contract, which consist of sales incentives, are recognized as Other assets in the Company’s Condensed Consolidated Balance Sheet, and are amortized to Selling, general and administrative expense over the estimated life of the relevant customer relationship, which ranges from one to five years. The Company recognizes the incremental costs of obtaining a contract as an expense when incurred if the amortization period of the asset that the entity would have recognized is one year or less.  The Company had approximately $16,900 of deferred sales incentives at both September 30, 2019 and December 31, 2018.

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Leases

9 Months Ended

Sep. 30, 2019

Lessee Disclosure [Abstract]

Leases

9.LEASES

The Company rents certain equipment and facilities under both short-term agreements and non-cancelable operating lease agreements.  The Company determines if an arrangement is or contains a lease at contract inception. The Company recognizes a right-of-use (“ROU”) asset and a lease liability at the lease commencement date.  The lease liability is initially measured at the present value of the unpaid lease payments at the lease commencement date.

Key estimates and judgments include how the Company determines (1) the discount rate it uses to discount the unpaid lease payments to present value, (2) lease term and (3) lease payments.

The lease guidance requires a lessee to discount its unpaid lease payments using the interest rate implicit in the lease or, if that rate cannot be readily determined, its incremental borrowing rate. Generally, the Company cannot determine the interest rate implicit in the lease because it does not have access to the lessor’s estimated residual value or the amount of the lessor’s deferred initial direct costs.  Therefore, the Company generally uses its incremental borrowing rate as the discount rate for the lease. The Company’s incremental borrowing rate for a lease is the rate of interest it would have to pay on a collateralized basis to borrow an amount equal to the lease payments under similar terms.

The lease term for the Company’s leases includes the noncancelable period of the lease, plus any additional periods covered by either a Company option to extend (or not to terminate) the lease that the Company is reasonably certain to exercise, or an option to extend (or not to terminate) the lease controlled by the lessor.

Lease payments included in the measurement of the lease liability comprise fixed payments or variable lease payments.  The variable lease payments take into account annual changes in the consumer price index and common area maintenance charges, if known.

ROU assets for operating leases are periodically reviewed for impairment losses. The Company uses the long-lived assets impairment guidance in ASC Subtopic 360-10, Property, Plant, and Equipment – Overall, to determine whether an ROU asset is impaired, and if so, the amount of the impairment loss to recognize.

The Company monitors for events or changes in circumstances that require a reassessment of one of its leases. When a reassessment results in the remeasurement of a lease liability, a corresponding adjustment is made to the carrying amount of the corresponding ROU asset.

The Company has elected not to recognize ROU assets and lease liabilities for short-term leases that have a lease term of 12 months or less. The Company has elected to apply the short-term lease recognition and measurement exemption allowed for in the lease accounting standard.  The Company recognizes the lease payments associated with its short-term leases as an expense on a straight-line basis over the lease term.

Lease cost for operating leases for the three and nine months ended September 30, 2019 was as follows:

	Three Months Ended		Nine Months Ended
	September 30, 2019		September 30, 2019
Operating lease cost	$	9,696	$	28,886

Supplemental cash flow information and non-cash activity related to the Company’s operating leases are as follows:

	Nine Months Ended
	September 30, 2019
Operating cash flow information:
Cash paid for amounts included in the measurement of lease liabilities	$	28,374
Non-cash activity:
Right-of-use assets obtained in exchange for lease liabilities	$	7,363

Weighted-average remaining lease term and discount rate for the Company’s operating leases are as follows:

	Nine Months Ended
	September 30, 2019
Weighted average remaining lease term	8.9	years
Weighted average discount rate	3.99	%

As of September 30, 2019, future minimum lease payments, as calculated under the new lease guidance and reconciled to the operating lease liability, are as follows:

Last 3 months of 2019	$	9,662
2020		36,429
2021		33,160
2022		31,906
2023		28,701
Thereafter		96,292
Minimum lease payments		236,150
Less: imputed interest		(39,641)
Present value of minimum lease payments		196,509
Less: current portion of operating lease liabilities		(30,162)
Long-term portion of operating lease liabilities	$	166,347

As of December 31, 2018, minimum lease payments under non-cancelable operating leases by period were expected to be as follows:

2019	$	37,902
2020		35,204
2021		32,259
2022		30,974
2023		27,882
Thereafter		94,205
	$	258,426

A summary of rent expense for both short-term agreements and non-cancelable operating lease agreements for the years ended December 31, 2018 and 2017 was as follows:

	2018		2017
Rent expense	$	42,646	$	43,383

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Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2019

Other Comprehensive Income (Loss) [Abstract]

Components of Other Comprehensive Income (Loss)

	Three Months Ended September 30, 2019
	Gross		Tax Effect		Net of Tax
Interest rate swap amounts reclassified into interest expense	$	(1,974)	$	523	$	(1,451)
Changes in fair value of interest rate swaps		(15,482)		4,103		(11,379)
Foreign currency translation adjustment		(24,911)		—		(24,911)
	$	(42,367)	$	4,626	$	(37,741)

	Three Months Ended September 30, 2018
	Gross		Tax Effect		Net of Tax
Interest rate swap amounts reclassified into interest expense	$	4,279	$	(1,134)	$	3,145
Fuel hedge amounts reclassified into cost of operations		(1,810)		451		(1,359)
Changes in fair value of interest rate swaps		863		(229)		634
Changes in fair value of fuel hedges		295		(73)		222
Foreign currency translation adjustment		35,455		—		35,455
	$	39,082	$	(985)	$	38,097

	Nine Months Ended September 30, 2019
	Gross		Tax Effect		Net of Tax
Interest rate swap amounts reclassified into interest expense	$	(6,918)	$	1,833	$	(5,085)
Changes in fair value of interest rate swaps		(56,818)		15,057		(41,761)
Foreign currency translation adjustment		60,404		—		60,404
	$	(3,332)	$	16,890	$	13,558

	Nine Months Ended September 30, 2018
	Gross		Tax Effect		Net of Tax
Interest rate swap amounts reclassified into interest expense	$	2,407	$	(638)	$	1,769
Fuel hedge amounts reclassified into cost of operations		(4,647)		1,157		(3,490)
Changes in fair value of interest rate swaps		15,828		(4,194)		11,634
Changes in fair value of fuel hedges		2,956		(730)		2,226
Foreign currency translation adjustment		(67,349)		—		(67,349)
	$	(50,805)	$	(4,405)	$	(55,210)

Amounts Included in Accumulated Other Comprehensive Income (Loss)

A rollforward of the amounts included in AOCIL, net of taxes, for the nine months ended September 30, 2019 and 2018, is as follows:

			Foreign		Accumulated
			Currency		Other
	Interest		Translation		Comprehensive
	Rate Swaps		Adjustment		Income (Loss)
Balance at December 31, 2018	$	8,892	$	(83,678)	$	(74,786)
Amounts reclassified into earnings		(5,085)		—		(5,085)
Changes in fair value		(41,761)		—		(41,761)
Foreign currency translation adjustment		—		60,404		60,404
Balance at September 30, 2019	$	(37,954)	$	(23,274)	$	(61,228)

					Foreign		Accumulated
					Currency		Other
			Interest		Translation		Comprehensive
	Fuel Hedges		Rate Swaps		Adjustment		Income (Loss)
Balance at December 31, 2017	$	2,907	$	13,951	$	91,555	$	108,413
Amounts reclassified into earnings		(3,490)		1,769		—		(1,721)
Changes in fair value		2,226		11,634		—		13,860
Foreign currency translation adjustment		—		—		(67,349)		(67,349)
Balance at September 30, 2018	$	1,643	$	27,354	$	24,206	$	53,203

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Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2019

Fair Value of Derivative Instrument Designated as Cash Flow Hedges

The fair values of derivative instruments designated as cash flow hedges as of September 30, 2019, were as follows:

Derivatives Designated as Cash	Asset Derivatives			Liability Derivatives
Flow Hedges	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Interest rate swaps	Prepaid expenses and other current assets(a)	$	2,954	Accrued liabilities(a)	$	(2,148)
	Other assets, net		842	Other long-term liabilities		(53,288)
Total derivatives designated as cash flow hedges		$	3,796		$	(55,436)

____________________

(a)Represents the estimated amount of the existing unrealized gains and losses, respectively, on interest rate swaps as of September 30, 2019 (based on the interest rate yield curve at that date), included in AOCIL expected to be reclassified into pre-tax earnings within the next 12 months. The actual amounts reclassified into earnings are dependent on future movements in interest rates.

The fair values of derivative instruments designated as cash flow hedges as of December 31, 2018, were as follows:

Derivatives Designated as Cash	Derivative Assets			Derivative Liabilities
Flow Hedges	Balance Sheet Location	Fair Value		Balance Sheet Location	Fair Value
Interest rate swaps	Prepaid expenses and other current assets(a)	$	10,737	Other long-term liabilities	$	(9,314)
	Other assets, net		10,675
Total derivatives designated as cash flow hedges		$	21,412		$	(9,314)

Impact of Cash Flow Hedges on Results of Operations, Comprehensive Income (Loss) and Accumulated Other Comprehensive Income (Loss)

The following table summarizes the impact of the Company’s cash flow hedges on the results of operations, comprehensive income (loss) and AOCIL for the three and nine months ended September 30, 2019 and 2018:

Derivatives					Statement of	Amount of (Gain) or Loss Reclassified
Designated as Cash	Amount of Gain or (Loss) Recognized				Net Income	from AOCIL into Earnings,
Flow Hedges	as AOCIL on Derivatives, Net of Tax (a)				Classification	Net of Tax (b), (c)
	Three Months Ended					Three Months Ended
	September 30,					September 30,
	2019		2018			2019		2018
Interest rate swaps	$	(11,379)	$	634	Interest expense	$	(1,451)	$	3,145
Fuel hedges		—		222	Cost of operations		—		(1,359)
Total	$	(11,379)	$	856		$	(1,451)	$	1,786

Derivatives					Statement of	Amount of (Gain) or Loss Reclassified
Designated as Cash	Amount of Gain or (Loss) Recognized				Net Income	from AOCIL into Earnings,
Flow Hedges	as AOCIL on Derivatives, Net of Tax (a)				Classification	Net of Tax (b), (c)
	Nine Months Ended					Nine Months Ended
	September 30,					September 30,
	2019		2018			2019		2018
Interest rate swaps	$	(41,761)	$	11,634	Interest expense	$	(5,085)	$	1,769
Fuel hedges		—		2,226	Cost of operations		—		(3,490)
Total	$	(41,761)	$	13,860		$	(5,085)	$	(1,721)

____________________

(a)In accordance with the derivatives and hedging guidance, the changes in fair values of interest rate swaps and fuel hedges have been recorded in equity as a component of AOCIL. As the critical terms of the interest rate swaps match the underlying debt being hedged, all unrealized changes in fair value are recorded in AOCIL. Because changes in the actual price of diesel fuel and changes in the DOE index price did not offset exactly each reporting period, the Company assessed whether the fuel hedges were highly effective using the cumulative dollar offset approach.

(b)Amounts reclassified from AOCIL into earnings related to realized gains and losses on interest rate swaps are recognized when interest payments or receipts occur related to the swap contracts, which correspond to when interest payments are made on the Company’s hedged debt.

(c)Amounts reclassified from AOCIL into earnings related to realized gains and losses on the fuel hedges are recognized when settlement payments or receipts occur related to the hedge contracts, which correspond to when the underlying fuel is consumed.

Interest Rate Swap [Member]

Company's Derivative Instruments

At September 30, 2019, the Company’s derivative instruments included 16 interest rate swap agreements as follows:

			Fixed		Variable
	Notional		Interest		Interest Rate
Date Entered	Amount		Rate Paid*		Received	Effective Date	Expiration Date
May 2014	$	50,000	2.344	%	1-month LIBOR	October 2015	October 2020
May 2014	$	25,000	2.326	%	1-month LIBOR	October 2015	October 2020
May 2014	$	50,000	2.350	%	1-month LIBOR	October 2015	October 2020
May 2014	$	50,000	2.350	%	1-month LIBOR	October 2015	October 2020
April 2016	$	100,000	1.000	%	1-month LIBOR	February 2017	February 2020
June 2016	$	75,000	0.850	%	1-month LIBOR	February 2017	February 2020
June 2016	$	150,000	0.950	%	1-month LIBOR	January 2018	January 2021
June 2016	$	150,000	0.950	%	1-month LIBOR	January 2018	January 2021
July 2016	$	50,000	0.900	%	1-month LIBOR	January 2018	January 2021
July 2016	$	50,000	0.890	%	1-month LIBOR	January 2018	January 2021
August 2017	$	100,000	1.900	%	1-month LIBOR	July 2019	July 2022
August 2017	$	200,000	2.200	%	1-month LIBOR	October 2020	October 2025
August 2017	$	150,000	1.950	%	1-month LIBOR	February 2020	February 2023
June 2018	$	200,000	2.925	%	1-month LIBOR	October 2020	October 2025
June 2018	$	200,000	2.925	%	1-month LIBOR	October 2020	October 2025
December 2018	$	200,000	2.850	%	1-month LIBOR	July 2022	July 2027

____________________

* Plus applicable margin.

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Intangible Assets, Net (Tables)

9 Months Ended

Sep. 30, 2019

Intangible Assets, Net [Abstract]

Intangible Assets Exclusive of Goodwill

Intangible assets, exclusive of goodwill, consisted of the following at September 30, 2019:

	Gross				Accumulated		Net
	Carrying		Accumulated		Impairment		Carrying
	Amount		Amortization		Loss		Amount
Finite-lived intangible assets:
Long-term franchise agreements and contracts	$	487,001	$	(183,121)	$	—	$	303,880
Customer lists		561,642		(288,732)		—		272,910
Permits and other		358,314		(60,290)		—		298,024
		1,406,957		(532,143)		—		874,814
Indefinite-lived intangible assets:
Solid waste collection and transportation permits		158,591		—		—		158,591
Material recycling facility permits		42,283		—		—		42,283
E&P facility permits		59,855		—		(38,507)		21,348
		260,729		—		(38,507)		222,222
Intangible assets, exclusive of goodwill	$	1,667,686	$	(532,143)	$	(38,507)	$	1,097,036

Intangible assets, exclusive of goodwill, consisted of the following at December 31, 2018:

	Gross				Accumulated		Net
	Carrying		Accumulated		Impairment		Carrying
	Amount		Amortization		Loss		Amount
Finite-lived intangible assets:
Long-term franchise agreements and contracts	$	476,833	$	(157,986)	$	—	$	318,847
Customer lists		530,614		(232,461)		—		298,153
Permits and other		338,601		(49,195)		—		289,406
		1,346,048		(439,642)		—		906,406
Indefinite-lived intangible assets:
Solid waste collection and transportation permits		158,591		—		—		158,591
Material recycling facility permits		42,283		—		—		42,283
E&P facility permits		59,855		—		(38,507)		21,348
		260,729		—		(38,507)		222,222
Intangible assets, exclusive of goodwill	$	1,606,777	$	(439,642)	$	(38,507)	$	1,128,628

Estimated Future Amortization Expense of Amortizable Intangible Assets

Estimated future amortization expense for the next five years relating to finite-lived intangible assets is as follows:

For the year ending December 31, 2019	$	125,699
For the year ending December 31, 2020	$	113,177
For the year ending December 31, 2021	$	98,310
For the year ending December 31, 2022	$	84,543
For the year ending December 31, 2023	$	71,283

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Intangible Assets, Net (Estimated Future Amortization Expense of Amortizable Intangible Assets) (Detail) $ in Thousands	Sep. 30, 2019 USD ($)
Intangible Assets, Net [Abstract]
For the year ending December 31, 2019	$ 125,699
For the year ending December 31, 2020	113,177
For the year ending December 31, 2021	98,310
For the year ending December 31, 2022	84,543
For the year ending December 31, 2023	$ 71,283

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Leases (Rent Expense) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Summary of rent expense for both short-term agreements and non-cancelable operating lease agreements
Rent expense	$ 42,646	$ 43,383

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Segment Reporting (Narrative) (Detail)	9 Months Ended
	Sep. 30, 2019 customer segment
Segment Reporting [Abstract]
Number of contracts or customers accounted for more than 10% of the Company's total revenues at the consolidated or reportable segment level | customer	0
Number of geographic operating segments	5
Number of geographic operating reportable segments	5

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Shareholders' Equity (Summary of Vesting Activity Related to Restricted Share Units) (Details) - Restricted Stock Units (RSUs) [Member]	9 Months Ended
	Sep. 30, 2019 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Forfeited	(46,503)
Progressive Waste Solutions Ltd. [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vested at beginning	120,153
Vested over remaining service period	2,106
Cash settled	(46,023)
Forfeited	(2,352)
Vested at ending	73,884

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Other Comprehensive Income (Loss) (Amounts Included in Accumulated Other Comprehensive Income (Loss)) (Detail) - USD ($) $ in Thousands		3 Months Ended							9 Months Ended
		Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018		Jun. 30, 2018	Mar. 31, 2018	Sep. 30, 2019	Sep. 30, 2018
Components of Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent, Beginning Balance				$ 6,454,608					$ 6,454,608
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax		$ (24,911)	$ 43,135	42,180	$ 35,455		$ (43,474)	$ (59,330)		$ (67,349)
Stockholders' Equity Attributable to Parent, Ending Balance		6,790,966							6,790,966
Beginning balance								108,413		108,413
Derivatives designated as cash flow hedges, liability derivatives, before ASU 2017-12					(1,786)	[1],[2]	2,204	1,303		1,721	[1],[2]
Derivatives designated as cash flow hedges, asset derivatives, before ASU 2017-12					856	[3]	3,890	9,114		13,860	[3]
Foreign currency translation adjustment		(24,911)	43,135	42,180	35,455		(43,474)	(59,330)		(67,349)
Ending balance					53,203					53,203
Interest Rate Swap [Member]
Components of Other Comprehensive Income (Loss) [Line Items]
Beginning balance								13,951		13,951
Derivatives designated as cash flow hedges, liability derivatives, before ASU 2017-12										(1,769)
Derivatives designated as cash flow hedges, asset derivatives, before ASU 2017-12	[3]				634					11,634
Ending balance					27,354					27,354
Foreign Currency Translation Adjustment [Member]
Components of Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax										(67,349)
Beginning balance								91,555		91,555
Foreign currency translation adjustment										(67,349)
Ending balance					24,206					24,206
Fuel [Member] | Commodity Contract [Member]
Components of Other Comprehensive Income (Loss) [Line Items]
Beginning balance								2,907		2,907
Derivatives designated as cash flow hedges, liability derivatives, before ASU 2017-12										3,490
Derivatives designated as cash flow hedges, asset derivatives, before ASU 2017-12	[3]				222					2,226
Ending balance					1,643					1,643
Accumulated Other Comprehensive Income (Loss) [Member]
Components of Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent, Beginning Balance				(74,786)					(74,786)
Amounts reclassified into earnings									(5,085)
Change in fair value									(41,761)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax		(24,911)	43,135	42,180	35,455		(43,474)	(59,330)	60,404
Stockholders' Equity Attributable to Parent, Ending Balance		(61,228)							(61,228)
Derivatives designated as cash flow hedges, liability derivatives, before ASU 2017-12					(1,786)		2,204	1,303
Derivatives designated as cash flow hedges, asset derivatives, before ASU 2017-12					856		3,890	9,114
Foreign currency translation adjustment		(24,911)	$ 43,135	42,180	35,455		$ (43,474)	$ (59,330)	60,404
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Interest Rate Swap [Member]
Components of Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent, Beginning Balance				8,892					8,892
Amounts reclassified into earnings									(5,085)
Change in fair value									(41,761)
Stockholders' Equity Attributable to Parent, Ending Balance		(37,954)							(37,954)
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Components of Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity Attributable to Parent, Beginning Balance				$ (83,678)					(83,678)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax		(24,911)			35,455				60,404	(67,349)
Stockholders' Equity Attributable to Parent, Ending Balance		(23,274)							(23,274)
Foreign currency translation adjustment		$ (24,911)			$ 35,455				$ 60,404	$ (67,349)

[1] Amounts reclassified from AOCIL into earnings related to realized gains and losses on interest rate swaps are recognized when interest payments or receipts occur related to the swap contracts, which correspond to when interest payments are made on the Company’s hedged debt.

[2] Amounts reclassified from AOCIL into earnings related to realized gains and losses on the fuel hedges are recognized when settlement payments or receipts occur related to the hedge contracts, which correspond to when the underlying fuel is consumed.

[3] In accordance with the derivatives and hedging guidance, the changes in fair values of interest rate swaps and fuel hedges have been recorded in equity as a component of AOCIL. As the critical terms of the interest rate swaps match the underlying debt being hedged, all unrealized changes in fair value are recorded in AOCIL. Because changes in the actual price of diesel fuel and changes in the DOE index price did not offset exactly each reporting period, the Company assessed whether the fuel hedges were highly effective using the cumulative dollar offset approach.

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Intangible Assets, Net (Intangible Assets Exclusive of Goodwill) (Detail) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	$ 1,406,957	$ 1,346,048
Intangible assets, exclusive of goodwill, gross	1,667,686	1,606,777
Indefinite-lived intangible assets, gross carrying amount	260,729	260,729
Finite-lived intangible assets, accumulated amortization	(532,143)	(439,642)
Intangible assets, accumulated impairment loss	(38,507)	(38,507)
Finite-lived intangible assets, net carrying amount	874,814	906,406
Intangible assets, net, exclusive of goodwill	1,097,036	1,128,628
Indefinite-lived intangible assets	222,222	222,222
Solid Waste Collection and Transportation Permits [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets, gross carrying amount	158,591	158,591
Indefinite-lived intangible assets	158,591	158,591
Material Recycling Facility Permits [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets, gross carrying amount	42,283	42,283
Indefinite-lived intangible assets	42,283	42,283
Exploration and Production Facility Permits [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets, gross carrying amount	59,855	59,855
Intangible assets, accumulated impairment loss	(38,507)	(38,507)
Indefinite-lived intangible assets	21,348	21,348
Long-term Franchise Agreements and Contracts [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	487,001	476,833
Finite-lived intangible assets, accumulated amortization	(183,121)	(157,986)
Finite-lived intangible assets, net carrying amount	303,880	318,847
Customer Lists [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	561,642	530,614
Finite-lived intangible assets, accumulated amortization	(288,732)	(232,461)
Finite-lived intangible assets, net carrying amount	272,910	298,153
Permits and Other [Member]
Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	358,314	338,601
Finite-lived intangible assets, accumulated amortization	(60,290)	(49,195)
Finite-lived intangible assets, net carrying amount	$ 298,024	$ 289,406

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Landfill Accounting (Reconciliation of Final Capping, Closure and Post-Closure Liability Balance) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Landfill Accounting [Abstract]
Final capping, closure and post-closure liability at the beginning of the period	$ 251,782
Liabilities incurred	15,573
Accretion expense associated with landfill obligations	10,656	$ 9,583
Closure payments	(1,203)
Assumption of closure liabilities from acquisitions	8,707
Foreign currency translation adjustment	1,146
Final capping, closure and post-closure liability at the end of the period	$ 286,661

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New Accounting Standards (Adoption of New Standard) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets	$ 189,697	$ 206,501
Total assets	13,270,235	12,833,830	$ 12,627,329
Current portion of operating lease liabilities	30,162	29,640
Total current liabilities	991,794	890,349	860,709
Long-term portion of operating lease liabilities	166,347	180,005
Deferred income taxes	800,223	758,967	760,033
Total liabilities	6,473,895	6,375,720	6,167,141
Retained earnings	2,569,663	2,262,432	2,264,510
Total liabilities and equity	$ 13,270,235	12,833,830	$ 12,627,329
Adoption of lease guidance | ASU 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets		206,501
Total assets		206,501
Current portion of operating lease liabilities		29,640
Total current liabilities		29,640
Long-term portion of operating lease liabilities		180,005
Deferred income taxes		(1,066)
Total liabilities		208,579
Retained earnings		(2,078)
Total liabilities and equity		$ 206,501

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Segment Reporting (Reconciliation of Primary Measure of Segment Profitability to Income Before Income Tax Provision) (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Segment EBITDA	[1]	$ 439,463	$ 405,974	$ 1,231,980	$ 1,141,680
Depreciation		(157,994)	(148,232)	(461,616)	(423,866)
Amortization of intangibles		(31,934)	(26,871)	(93,821)	(79,444)
Impairments and other operating items		(12,935)	1,998	(32,949)	(6,106)
Interest expense		(36,780)	(32,078)	(111,313)	(96,874)
Interest income		2,056	1,467	7,186	3,677
Other income (expense), net		(19)	600	4,562	2,053
Income before income tax provision		201,857	202,858	544,029	541,120
Eastern [Member]
Segment EBITDA	[1]	88,101	82,733	250,106	222,772
Southern [Member]
Segment EBITDA	[1]	77,406	70,159	226,294	207,853
Western [Member]
Segment EBITDA	[1]	90,059	86,174	253,504	240,006
Central [Member]
Segment EBITDA	[1]	81,746	71,276	219,280	195,018
Canada [Member]
Segment EBITDA	[1]	66,794	68,819	193,702	195,390
Exploration and Production [Member]
Segment EBITDA	[1]	35,803	35,099	100,845	95,009
Corporate [Member]
Segment EBITDA	[1],[2]	(446)	(8,286)	(11,751)	(14,368)
Operating Segments [Member]
Segment EBITDA		$ 439,909	$ 414,260	$ 1,243,731	$ 1,156,048

[1] For those items included in the determination of segment EBITDA, the accounting policies of the segments are the same as those described in the Company’s most recent Annual Report on Form 10-K.

[2] Corporate functions include accounting, legal, tax, treasury, information technology, risk management, human resources, training and other administrative functions. Amounts reflected are net of allocations to the six operating segments.

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Derivative Financial Instruments (Impact of Cash Flow Hedges on Results of Operations, Comprehensive Income (Loss) and Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands		3 Months Ended				9 Months Ended
		Sep. 30, 2019		Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Changes in fair value of cash flow hedges, net of taxes		$ 11,379	[1]	$ 18,827	$ 11,555	$ 41,761	[1]
Amounts reclassified into earnings, net of taxes		(1,451)	[2],[3]	$ (1,817)	$ (1,817)	(5,085)	[2],[3]
Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amounts reclassified into earnings, net of taxes	[2],[3]	(1,451)				(5,085)
Cost of Operations [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amounts reclassified into earnings, net of taxes		0				0
Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Changes in fair value of cash flow hedges, net of taxes	[1]	11,379				41,761
Fuel [Member] | Commodity Contract [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Changes in fair value of cash flow hedges, net of taxes		$ 0				$ 0

[1] In accordance with the derivatives and hedging guidance, the changes in fair values of interest rate swaps and fuel hedges have been recorded in equity as a component of AOCIL. As the critical terms of the interest rate swaps match the underlying debt being hedged, all unrealized changes in fair value are recorded in AOCIL. Because changes in the actual price of diesel fuel and changes in the DOE index price did not offset exactly each reporting period, the Company assessed whether the fuel hedges were highly effective using the cumulative dollar offset approach.

[2] Amounts reclassified from AOCIL into earnings related to realized gains and losses on interest rate swaps are recognized when interest payments or receipts occur related to the swap contracts, which correspond to when interest payments are made on the Company’s hedged debt.

[3] Amounts reclassified from AOCIL into earnings related to realized gains and losses on the fuel hedges are recognized when settlement payments or receipts occur related to the hedge contracts, which correspond to when the underlying fuel is consumed.

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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net income (loss)	$ 433,490	$ 414,611
Adjustments to reconcile net income to net cash provided by operating activities:
Loss on disposal of assets and impairments	31,852	6,852
Depreciation	461,616	423,866
Amortization of intangibles	93,821	79,444
Amortization of leases	17,661
Deferred income taxes, net of acquisitions	41,481	45,765
Amortization of debt issuance costs	3,708	3,087
Share-based compensation	35,510	35,434
Interest accretion	12,283	11,135
Payment of contingent consideration recorded in earnings		(11)
Adjustments to contingent consideration	1,466	349
Other	(1,316)	180
Net change in operating assets and liabilities, net of acquisitions	53,858	17,080
Net cash provided by operating activities	1,185,430	1,037,792
Cash flows from investing activities:
Payments for acquisitions, net of cash acquired	(420,392)	(500,064)
Capital expenditures for property and equipment	(433,526)	(373,512)
Capital expenditure for purchase of greenfield landfill site	(31,683)
Proceeds from disposal of assets	2,626	3,698
Change in restricted investments, net of interest income	(2,171)
Other	(526)	(568)
Net cash used in investing activities	(885,672)	(870,446)
Cash flows from financing activities:
Proceeds from long-term debt	1,021,795	165,737
Principal payments on notes payable and long-term debt	(1,184,165)	(387,700)
Payment of contingent consideration recorded at acquisition date	(1,621)	(5,459)
Change in book overdraft	1,911	(243)
Payments for repurchase of common shares		(42,040)
Payments for cash dividends	(126,348)	(110,447)
Tax withholdings related to net share settlements of equity-based compensation	(17,592)	(14,976)
Debt issuance costs	(5,938)	(2,839)
Proceeds from sale of common shares held in trust	4,036	2,381
Other	(117)	(103)
Net cash used in financing activities	(308,039)	(395,689)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	143	(528)
Net increase (decrease) in cash, cash equivalents and restricted cash	(8,138)	(228,871)
Cash, cash equivalents and restricted cash at beginning of period	403,966	556,467
Plus: change in cash held for sale		192
Cash, cash equivalents and restricted cash at end of period	395,828	327,788
Non-cash financing activities:
Liabilities assumed and notes payable issued to sellers of businesses acquired	$ 94,009	$ 100,753

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Fair Value of Financial Instruments

9 Months Ended

Sep. 30, 2019

Fair Value [Abstract]

Fair Value of Financial Instruments

13.FAIR VALUE OF FINANCIAL INSTRUMENTS

The Company’s financial instruments consist primarily of cash and equivalents, trade receivables, restricted cash and investments, trade payables, debt instruments, contingent consideration obligations, interest rate swaps and fuel hedges. As of September 30, 2019 and December 31, 2018, the carrying values of cash and equivalents, trade receivables, restricted cash and investments, trade payables and contingent consideration are considered to be representative of their respective fair values. The carrying values of the Company’s debt instruments, excluding certain notes as listed in the table below, approximate their fair values as of September 30, 2019 and December 31, 2018, based on current borrowing rates, current remaining average life to maturity and borrower credit quality for similar types of borrowing arrangements, and are classified as Level 2 within the fair value hierarchy. The carrying values and fair values of the Company’s debt instruments

where the carrying values do not approximate their fair values as of September 30, 2019 and December 31, 2018, are as follows:

	Carrying Value at				Fair Value* at
	September 30,		December 31,		September 30,		December 31,
	2019		2018		2019		2018
5.25% Senior Notes due 2019	$	175,000	$	175,000	$	175,361	$	177,870
4.64% Senior Notes due 2021	$	100,000	$	100,000	$	102,783	$	101,292
2.39% Senior Notes due 2021	$	150,000	$	150,000	$	149,210	$	144,305
3.09% Senior Notes due 2022	$	125,000	$	125,000	$	126,640	$	120,682
2.75% Senior Notes due 2023	$	200,000	$	200,000	$	200,664	$	188,363
3.24% Senior Notes due 2024	$	150,000	$	150,000	$	153,789	$	142,877
3.41% Senior Notes due 2025	$	375,000	$	375,000	$	389,912	$	355,541
3.03% Senior Notes due 2026	$	400,000	$	400,000	$	407,943	$	367,143
3.49% Senior Notes due 2027	$	250,000	$	250,000	$	261,260	$	234,243
4.25% Senior Notes due 2028	$	500,000	$	500,000	$	567,850	$	506,100
3.50% Senior Notes due 2029	$	500,000	$	—	$	537,550	$	—

____________________

*Senior Notes are classified as Level 2 within the fair value hierarchy. Fair value is based on quotes of bonds with similar ratings in similar industries.

For details on the fair value of the Company’s interest rate swaps, fuel hedges, restricted cash and investments and contingent consideration, refer to Note 15.

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Shareholders' Equity

9 Months Ended

Sep. 30, 2019

Shareholders' Equity [Abstract]

Shareholders' Equity

17.SHAREHOLDERS’ EQUITY

Share-Based Compensation

Restricted Share Units

A summary of activity related to restricted share units (“RSUs”) during the nine-month period ended September 30, 2019, is presented below:

	Unvested Shares
Outstanding at December 31, 2018	987,563
Granted	341,459
Forfeited	(46,503)
Vested and issued	(413,877)
Outstanding at September 30, 2019	868,642

The weighted average grant-date fair value per share for the common shares underlying the RSUs granted during the nine-month period ended September 30, 2019 was $81.15.

Recipients of RSUs who participate in the Company’s Nonqualified Deferred Compensation Plan may have elected in years prior to 2015 to defer some or all of their RSUs as they vest until a specified date or dates they choose. At the end of the deferral periods, unless a qualified participant makes certain other elections, the Company issues to recipients who deferred their RSUs common shares of the Company underlying the deferred RSUs. At September 30, 2019 and 2018, the Company had 247,999 and 264,374 vested deferred RSUs outstanding, respectively.

Performance-Based Restricted Share Units

A summary of activity related to performance-based restricted share units (“PSUs”) during the nine-month period ended September 30, 2019, is presented below:

	Unvested Shares
Outstanding at December 31, 2018	532,086
Granted	152,656
Vested and issued	(180,258)
Outstanding at September 30, 2019	504,484

During the nine months ended September 30, 2019, the Company’s Compensation Committee granted PSUs with three-year performance-based metrics that the Company must meet before those awards may be earned, and the performance period for those grants ends on December 31, 2021. During the same period, the Company’s Compensation Committee also granted PSUs with a one-year performance-based metric that the Company must meet before those awards may be earned, with the awards then subject to time-based vesting for the remaining three years of their four-year vesting period. The Compensation Committee will determine the achievement of performance results and corresponding vesting of PSUs for each performance period. The weighted average grant-date fair value per share for the common shares underlying all PSUs granted during the nine-month period ended September 30, 2019 was $80.85.

Deferred Share Units

A summary of activity related to deferred share units (“DSUs”) during the nine-month period ended September 30, 2019, is presented below:

	Vested Shares
Outstanding at December 31, 2018	17,176
Granted	3,804
Cash settled	(2,010)
Outstanding at September 30, 2019	18,970

The DSUs consist of a combination of DSU grants outstanding under the Progressive Waste share-based compensation plans that were continued by the Company following the Progressive Waste acquisition and DSUs granted by the Company since the Progressive Waste acquisition. The weighted average grant-date fair value per share for the common shares underlying the DSUs granted during the nine-month period ended September 30, 2019 was $83.80.

Other Restricted Share Units

RSU grants outstanding under the Progressive Waste share-based compensation plans were continued by the Company following the Progressive Waste acquisition and allow for the issuance of shares or cash settlement to employees upon vesting. A summary of activity related to Progressive Waste RSUs during the nine-month period ended September 30, 2019, is presented below:

Outstanding at December 31, 2018	122,259
Cash settled	(46,023)
Forfeited	(2,352)
Outstanding at September 30, 2019	73,884

A summary of vesting activity related to Progressive Waste RSUs during the nine-month period ended September 30, 2019, is presented below:

Vested at December 31, 2018	120,153
Vested over remaining service period	2,106
Cash settled	(46,023)
Forfeited	(2,352)
Vested at September 30, 2019	73,884

No RSUs under the Progressive Waste share-based compensation plans were granted subsequent to June 1, 2016.  During the nine months ended September 30, 2019, 964 Progressive Waste RSUs were forfeited and have been redistributed to the other remaining active participants.  All remaining RSUs were vested as of March 31, 2019.

Other Performance-Based Restricted Share Units

PSU grants outstanding under the Progressive Waste share-based compensation plans were continued by the Company following the Progressive Waste acquisition and allow for cash settlement only to employees upon vesting based on

achieving target results. A summary of activity related to Progressive Waste PSUs during the nine-month period ended September 30, 2019, is presented below:

Outstanding at December 31, 2018	22,791
Cash settled, net of notional dividend	(22,791)
Outstanding at September 30, 2019	—

No PSUs under the Progressive Waste share-based compensation plans were granted subsequent to June 1, 2016.  All outstanding PSUs were vested as of December 31, 2018.

Share Based Options

Share based options outstanding under the Progressive Waste share-based compensation plans were continued by the Company following the Progressive Waste acquisition and allow for the issuance of shares or cash settlement to employees upon vesting. A summary of activity related to Progressive Waste share based options during the nine-month period ended September 30, 2019, is presented below:

Outstanding at December 31, 2018	165,156
Cash settled	(31,097)
Outstanding at September 30, 2019	134,059

No share based options under the Progressive Waste share-based compensation plans were granted subsequent to June 1, 2016. All outstanding share based options were vested as of December 31, 2017.

Normal Course Issuer Bid

On July 25, 2019, the Board of Directors of the Company approved, subject to receipt of regulatory approvals, the annual renewal of the Company’s normal course issuer bid (the “NCIB”) to purchase up to 13,184,474 of the Company’s common shares during the period of August 8, 2019 to August 7, 2020 or until such earlier time as the NCIB is completed or terminated at the option of the Company. The renewal followed the conclusion of the Company’s NCIB that expired August 7, 2019. The Company received Toronto Stock Exchange (the “TSX”) approval for its annual renewal of the NCIB on August 2, 2019.  Under the NCIB, the Company may make share repurchases only in the open market, including on the New York Stock Exchange (the “NYSE”), the TSX, and/or alternative Canadian trading systems, at the prevailing market price at the time of the transaction.

In accordance with TSX rules, any daily repurchases made through the TSX and alternative Canadian trading systems is limited to a maximum of 79,933 common shares, which represents 25% of the average daily trading volume on the TSX of 319,734 common shares for the period from February 1, 2019 to July 31, 2019. The TSX rules also allow the Company to purchase, once a week, a block of common shares not owned by any insiders, which may exceed such daily limit. The maximum number of shares that can be purchased per day on the NYSE will be 25% of the average daily trading volume for the four calendar weeks preceding the date of purchase, subject to certain exceptions for block purchases.

The timing and amounts of any repurchases pursuant to the NCIB will depend on many factors, including the Company’s capital structure, the market price of the common shares and overall market conditions. All common shares purchased under the NCIB shall be immediately cancelled following their repurchase.

During the nine months ended September 30, 2019, the Company did not repurchase any common shares pursuant to its NCIB in effect during such period.  For the nine months ended September 30, 2018, the Company repurchased 594,474 common shares pursuant to its NCIB in effect during such period at an aggregate cost of $42,040. As of September 30, 2019, the remaining maximum number of shares available for repurchase under the current NCIB was 13,184,474.

Cash Dividend

In October 2018, the Company announced that its Board of Directors increased its regular quarterly cash dividend by $0.02, from $0.14 to $0.16 per Company common share. Cash dividends of $126,348 and $110,447 were paid during the nine months ended September 30, 2019 and 2018, respectively.

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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Statement Of Financial Position [Abstract]
Allowance for doubtful accounts	$ 15,369	$ 16,760
Common shares, shares issued	263,697,618	263,271,302
Common shares, shares outstanding	263,616,104	263,141,413
Treasury shares	81,514	129,889

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Revenue (Tables)

9 Months Ended

Sep. 30, 2019

Revenue [Abstract]

Total Reported Revenues by Service Line

		Three Months Ended September 30,				Nine Months Ended September 30,
	2019		2018		2019		2018
Commercial	$	408,415	$	369,543	$	1,186,565	$	1,080,261
Residential		355,574		300,026		1,024,105		881,927
Industrial and construction roll off		226,801		202,130		629,597		573,877
Total collection		990,790		871,699		2,840,267		2,536,065
Landfill		310,633		285,945		852,073		790,056
Transfer		209,585		187,961		575,337		495,317
Recycling		14,142		23,371		50,676		69,559
E&P		70,874		68,049		205,743		189,071
Intermodal and other		26,520		34,261		90,491		105,588
Intercompany		(210,100)		(190,176)		(587,868)		(524,447)
Total	$	1,412,444	$	1,281,110	$	4,026,719	$	3,661,209