Debt Instrument, Contingent Maturity Date Threshold

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- Definition

Letters Of Credit Fronting Fee

+ References

No definition available.

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- Definition

Letters Of Credit Fronting Fee Percentage

+ References

No definition available.

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- Definition

Line of Credit Facility, Additional Borrowing Capacity

+ References

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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- Definition

Represents the aggregate of total long-term debt, including current maturities and short-term debt.

+ References

No definition available.

+ Details

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
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-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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- Definition

The effective interest rate at the end of the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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- Definition

Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 3
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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

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Long-Term Debt - Credit Facility Agreements (Detail) $ in Millions	3 Months Ended				12 Months Ended
	Dec. 31, 2018 CAD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 CAD ($)	Dec. 31, 2017 USD ($)	Mar. 24, 2017 CAD ($)	Mar. 24, 2017 USD ($)
Debt Instrument [Line Items]
Long-term debt, due in the next twelve months								$ 170,214,000
Debt, Long-term and Short-term, Combined Amount								2,317,723,000		$ 2,564,270,000
Debt Instrument, Contingent Maturity Date Threshold					90 days
Repayments of long-term debt					$ 286,200,000	$ 755,037,000	$ 67,412,000
Letters Of Credit Facing Fee					$ 500
Letters Of Credit Facing Fee Percentage					0.25%
Loss on early extinguishment of debt		$ 2,500,000	$ 4,400,000	$ 2,700,000	$ 2,493,000	7,052,000	$ 0
Bank Borrowings [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount								951,800,000		903,945,000
Term Loans And Revolving Loans Maintained as Eurodollar Rate, Euro Rate or CDOR Rate Loans [Member]
Debt Instrument [Line Items]
Line of credit facility, margin					1.25%
Term Loans and Revolving Loans Maintained as Base Rate or Canadian Prime Rate Loans [Member]
Debt Instrument [Line Items]
Line of credit facility, margin					1.25%
Revolving Loan - Letters of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity								$ 125,000,000
Multicurrency Revolving Loan Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity												$ 1,190,000,000
US Term Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Interest Rate at Period End	3.77%							3.77%
U.S. term loans [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity												$ 800,000,000
U.S. term loans [Member] \| Bank Borrowings [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount								$ 800,000,000		800,000,000
Canadian Term Loans [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity											$ 45.5
Line of Credit Facility, Interest Rate at Period End	3.55%							3.55%
Canadian Term Loans [Member] \| Bank Borrowings [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount	$ 30.1							$ 22,103,000	$ 34.1	27,147,000
Multicurrency Incremental Loan Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity								1,250,000,000
Term Loan [Member]
Debt Instrument [Line Items]
Long-term debt, due in the next twelve months								41,100,000
Loss on early extinguishment of debt						6,500,000
Term Loan [Member] \| Bank Borrowings [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount								$ 822,100,000		$ 827,100,000
Term Loan Facility [Member]
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate	3.60%						1.90%	3.60%	3.10%	3.10%
2018 Amendment to the Credit Agreement [Member]
Debt Instrument [Line Items]
Loss on early extinguishment of debt					$ 1,100,000
Revolving Loan [Member]
Debt Instrument [Line Items]
Debt, Weighted Average Interest Rate	3.50%						2.00%	3.50%	3.00%	3.00%
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage					0.25%
Revolving Loan [Member] \| Bank Borrowings [Member]
Debt Instrument [Line Items]
Debt, Long-term and Short-term, Combined Amount								$ 0		$ 0
Canadian Revolving Loans [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity											$ 15.0
Revolving And Term Loans [Member]
Debt Instrument [Line Items]
Loss on early extinguishment of debt						$ 600,000
Maximum [Member] \| Revolving Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage					0.30%
Minimum [Member] \| Multicurrency Incremental Loan Facility [Member]
Debt Instrument [Line Items]
Additional borrowing capacity								$ 50,000,000
Minimum [Member] \| Revolving Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage					0.20%
Debt Instrument, Redemption, Year 2019 \| Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	5.00%
Debt Instrument, Redemption, Year 2020 \| Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	10.00%
Debt Instrument, Redemption, Year 2021 \| Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	10.00%
Debt Instrument, Redemption, Year 2022 \| Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	10.00%
Debt Instrument, Redemption, Year 2023 \| Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	10.00%