10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C.  20549

FORM 10-Q

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the Quarterly Period Ended June 30, 2020

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 001-03970

HARSCO CORPORATION

(Exact name of registrant as specified in its charter) 

Delaware			23-1483991
(State or other jurisdiction of incorporation or organization)			(I.R.S. employer identification number)
350 Poplar Church Road,	Camp Hill,	Pennsylvania	17011
(Address of principal executive offices)			(Zip Code)

Registrant’s telephone number, including area code  717-763-7064 

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 stock, par value $1.25 per share	HSC	New York Stock Exchange

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 ☒ NO ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).   Yes ☒  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.

Large accelerated filer	☒		Accelerated filer	☐
Non-accelerated filer	☐	(Do not check if a smaller reporting company)	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 ☒

Indicate the number of shares outstanding of each of the registrant’s classes of common stock, as of the latest practicable date.

Class	Outstanding at July 31, 2020
Common stock, par value $1.25 per share	78,903,587

HARSCO CORPORATION

FORM 10-Q

INDEX

		Page
PART I — FINANCIAL INFORMATION
Item 1.	Financial Statements	4
	Condensed Consolidated Balance Sheets (Unaudited)	4
	Condensed Consolidated Statements of Operations (Unaudited)	6
	Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited)	7
	Condensed Consolidated Statements of Cash Flows (Unaudited)	8
	Condensed Consolidated Statements of Equity (Unaudited)	9
	Notes to Condensed Consolidated Financial Statements (Unaudited)	11
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	36
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	45
Item 4.	Controls and Procedures	46
PART II — OTHER INFORMATION
Item 1.	Legal Proceedings	47
Item 1A.	Risk Factors	47
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	47
Item 6.	Exhibits	48
SIGNATURES		49

2

Glossary of Defined Terms

Unless the context requires otherwise, "Harsco," the "Company," "we," "our," or "us" refers to Harsco Corporation on a consolidated basis. The Company also uses several other terms in this Quarterly Report on Form 10-Q, which are further defined below:

Term	Description
AOCI	Accumulated Other Comprehensive Income (Loss)
AXC	The former Harsco Industrial Air-X-Changers business
CARES Act	Coronavirus Aid, Relief, and Economic Security Act
CCIRs	Cross-currency interest rate swaps
Clean Earth	CEHI Acquisition Corporation and Subsidiaries
COVID-19	the COVID-19 coronavirus pandemic
Credit Agreement	Credit Agreement governing the Senior Secured Credit Facilities
DEA	United States Drug Enforcement Agency
DTSC	California Department of Toxic Substances Control
EBITDA	Earnings before interest, tax, depreciation and amortization
ESOL	Stericycle Environmental Solutions business
FASB	Financial Accounting Standards Board
IBORs	Interbank offered rates
ICMS	Type of value-added tax in Brazil
IKG	The former Harsco Industrial IKG business
ISDA	International Swaps and Derivatives Association
LIBOR	London Interbank Offered Rates
New Term Loan	$280 term loan raised in March 2020 under the Senior Secured Credit Facilities maturing on June 28, 2024
Notes	5.75% Notes due July 31, 2027
OCI	Other Comprehensive Income (Loss)
Original Term Loan	Term loan issued under the Senior Secured Credit Facilities maturing on December 8, 2024
PA DEP	Pennsylvania Department of Environmental Protection
PK	The former Harsco Industrial Patterson-Kelley business
Revolving Credit Facility	Multi-year revolving credit facility under the Senior Secured Credit Facility with a facility limit of $700 million
SBB	Federal railway system of Switzerland
SCE	Supreme Council for Environment in Bahrain
SEC	Securities and Exchange Commission
Senior Secured Credit Facilities	Primary source of borrowings comprised of the Revolving Credit Facility, Original Term Loan and New Term Loan
SPRA	State Revenue Authorities from the State of São Paulo, Brazil
TSDF	Treatment, storage, and disposal facility permits issued under the Resource Conservation and Recovery Act
U.S. GAAP	Accounting principles generally accepted in the U.S.

3

PART I — FINANCIAL INFORMATION

ITEM 1.      FINANCIAL STATEMENTS

HARSCO CORPORATION

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited)

(In thousands)	June 30 2020		December 31 2019
ASSETS
Current assets:
Cash and cash equivalents	$	81,784	$	57,259
Restricted cash	2,267		2,473
Trade accounts receivable, net	406,565		309,990
Other receivables	19,601		21,265
Inventories	173,573		156,991
Current portion of contract assets	59,026		31,166
Current portion of assets held-for-sale	—		22,093
Other current assets	55,270		51,575
Total current assets	798,086		652,812
Property, plant and equipment, net	634,352		561,786
Right-of-use assets, net	101,743		52,065
Goodwill	881,665		738,369
Intangible assets, net	449,445		299,082
Deferred income tax assets	9,468		14,288
Assets held-for-sale	—		32,029
Other assets	51,515		17,036
Total assets	$	2,926,274	$	2,367,467
LIABILITIES
Current liabilities:
Short-term borrowings	$	2,719	$	3,647
Current maturities of long-term debt	2,709		2,666
Accounts payable	211,615		176,755
Accrued compensation	33,913		37,992
Income taxes payable	14,691		18,692
Insurance liabilities	11,293		10,140
Current portion of advances on contracts	50,318		53,906
Current portion of operating lease liabilities	27,850		12,544
Current portion of liabilities of assets held-for-sale	—		11,344
Other current liabilities	157,876		137,208
Total current liabilities	512,984		464,894
Long-term debt	1,242,321		775,498
Insurance liabilities	14,326		18,515
Retirement plan liabilities	156,352		189,954
Advances on contracts	48,183		6,408
Operating lease liabilities	71,553		36,974
Liabilities of assets held-for-sale	—		12,152
Environmental liabilities	30,027		5,600
Other liabilities	86,012		67,813
Total liabilities	2,161,758		1,577,808

4

(In thousands)	June 30 2020		December 31 2019
COMMITMENTS AND CONTINGENCIES
HARSCO CORPORATION STOCKHOLDERS’ EQUITY
Preferred stock	—		—
Common stock	144,245		143,400
Additional paid-in capital	203,916		200,595
Accumulated other comprehensive loss	(603,618)		(587,622)
Retained earnings	1,813,639		1,824,100
Treasury stock	(843,003)		(838,893)
Total Harsco Corporation stockholders’ equity	715,179		741,580
Noncontrolling interests	49,337		48,079
Total equity	764,516		789,659
Total liabilities and equity	$	2,926,274	$	2,367,467

See accompanying notes to unaudited condensed consolidated financial statements.

5

HARSCO CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)

	Three Months Ended						Six Months Ended
	June 30						June 30
(In thousands, except per share amounts)	2020			2019			2020		2019
Revenues from continuing operations:
Service revenues	$	345,578		$	238,003		$	636,917	$	467,523
Product revenues	101,703			112,895			209,205		213,277
Total revenues	447,281			350,898			846,122		680,800
Costs and expenses from continuing operations:
Cost of services sold	285,822			186,840			522,141		368,711
Cost of products sold	78,320			79,355			158,469		148,664
Selling, general and administrative expenses	80,771			67,501			153,270		123,907
Research and development expenses	792			1,120			2,052		1,869
Other (income) expenses, net	(292)			(1,717)			5,441		26
Total costs and expenses	445,413			333,099			841,373		643,177
Operating income from continuing operations	1,868			17,799			4,749		37,623
Interest income	816			591			1,009		1,124
Interest expense	(14,953)			(6,103)			(27,602)		(11,610)
Unused debt commitment and amendment fees	(1,432)			(7,435)			(1,920)		(7,435)
Defined benefit pension income (expense)	1,723			(1,472)			3,312		(2,810)
Income (loss) from continuing operations before income taxes and equity income	(11,978)			3,380			(20,452)		16,892
Income tax benefit (expense)	2,304			(3,994)			2,986		(5,213)
Equity income of unconsolidated entities, net	71			49			167		70
Income (loss) from continuing operations	(9,603)			(565)			(17,299)		11,749
Discontinued operations:
Gain (loss) on sale of discontinued business	(91)			—			18,371		—
Income from discontinued businesses	524			9,936			299		23,686
Income tax benefit (expense) related to discontinued businesses	(285)			1,558			(9,599)		(1,969)
Income from discontinued operations	148			11,494			9,071		21,717
Net income (loss)	(9,455)			10,929			(8,228)		33,466
Less: Net income attributable to noncontrolling interests	(1,147)			(2,287)			(2,233)		(4,127)
Net income (loss) attributable to Harsco Corporation	$	(10,602)		$	8,642		$	(10,461)	$	29,339
Amounts attributable to Harsco Corporation common stockholders:
Income (loss) from continuing operations, net of tax	$	(10,750)		$	(2,852)		$	(19,532)	$	7,622
Income from discontinued operations, net of tax	148			11,494			9,071		21,717
Net income (loss) attributable to Harsco Corporation common stockholders	$	(10,602)		$	8,642		$	(10,461)	$	29,339
Weighted-average shares of common stock outstanding	78,987			80,328			78,874		80,119
Basic earnings (loss) per common share attributable to Harsco Corporation common stockholders:
Continuing operations	$	(0.14)		$	(0.04)		$	(0.25)	$	0.10
Discontinued operations	—			0.14			0.12		0.27
Basic earnings (loss) per share attributable to Harsco Corporation common stockholders	$	(0.13)	(a)	$	0.11	(a)	$	(0.13)	$	0.37
Diluted weighted-average shares of common stock outstanding	78,987			80,328			78,874		82,074
Diluted earnings (loss) per common share attributable to Harsco Corporation common stockholders:
Continuing operations	$	(0.14)		$	(0.04)		$	(0.25)	$	0.09
Discontinued operations	—			0.14			0.12		0.26
Diluted earnings (loss) per share attributable to Harsco Corporation common stockholders	$	(0.13)	(a)	$	0.11	(a)	$	(0.13)	$	0.36	(a)

(a)  Does not total due to rounding

See accompanying notes to unaudited condensed consolidated financial statements.

6

HARSCO CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited)

	Three Months Ended
	June 30
(In thousands)	2020		2019
Net income (loss)	$	(9,455)	$	10,929
Other comprehensive income (loss):
Foreign currency translation adjustments, net of deferred income taxes of $(659) and $(1,383) in 2020 and 2019, respectively	5,795		(8,950)
Net income (loss) on cash flow hedging instruments, net of deferred income taxes of $(251) and $196 in 2020 and 2019, respectively	328		(1,024)
Pension liability adjustments, net of deferred income taxes of $(323) and $(379) in 2020 and 2019, respectively	6,921		13,562
Unrealized gain (loss) on marketable securities, net of deferred income taxes of $4 and $(3) in 2020 and 2019, respectively	(13)		10
Total other comprehensive income	13,031		3,598
Total comprehensive income	3,576		14,527
Less: Comprehensive income attributable to noncontrolling interests	(1,319)		(1,687)
Comprehensive income attributable to Harsco Corporation	$	2,257	$	12,840

	Six Months Ended
	June 30
(In thousands)	2020		2019
Net income (loss)	$	(8,228)	$	33,466
Other comprehensive income (loss):
Foreign currency translation adjustments, net of deferred income taxes of $(4,741) and $(252) in 2020 and 2019, respectively	(52,771)		504
Net loss on cash flow hedging instruments, net of deferred income taxes of $266 and $1,141 in 2020 and 2019, respectively	(1,359)		(4,171)
Pension liability adjustments, net of deferred income taxes of $(2,033) and $(721) in 2020 and 2019, respectively	37,190		11,771
Unrealized gain (loss) on marketable securities, net of deferred income taxes of $12 and $(8) in 2020 and 2019, respectively	(31)		25
Total other comprehensive income (loss)	(16,971)		8,129
Total comprehensive income (loss)	(25,199)		41,595
Less: Comprehensive income attributable to noncontrolling interests	(1,258)		(3,947)
Comprehensive income (loss) attributable to Harsco Corporation	$	(26,457)	$	37,648

See accompanying notes to unaudited condensed consolidated financial statements.

7

HARSCO CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)

	Six Months Ended
	June 30
(In thousands)	2020		2019
Cash flows from operating activities:
Net income (loss)	$	(8,228)	$	33,466
Adjustments to reconcile net income to net cash provided (used) by operating activities:
Depreciation	61,512		59,857
Amortization	15,672		5,792
Deferred income tax benefit	(655)		(3,823)
Equity income of unconsolidated entities, net	(167)		(70)
Gain on sale from discontinued business	(18,371)		—
Other, net	(2,244)		2,561
Changes in assets and liabilities, net of acquisitions and dispositions of businesses:
Accounts receivable	16,534		(27,034)
Inventories	(16,666)		(20,497)
Contract assets	(28,934)		(69)
Right-of-use assets	11,834		7,228
Accounts payable	(8,119)		10,917
Accrued interest payable	(2,940)		285
Accrued compensation	(4,767)		(14,525)
Advances on contracts	35,836		(10,381)
Operating lease liabilities	(11,596)		(6,894)
Retirement plan liabilities, net	(19,026)		(13,146)
Income taxes payable - Gain on sale of discontinued businesses	3,467		—
Other assets and liabilities	(1,621)		(18,295)
Net cash provided by operating activities	21,521		5,372
Cash flows from investing activities:
Purchases of property, plant and equipment	(51,213)		(91,201)
Purchases of businesses, net of cash acquired	(442,604)		(584,485)
Proceeds from sale of discontinued business, net	37,219		—
Proceeds from sales of assets	3,952		2,205
Expenditures for intangible assets	(42)		(525)
Net proceeds (payments) from settlement of foreign currency forward exchange contracts	765		(691)
Payments for interest rate swap terminations	—		(2,758)
Other investing activities, net	59		—
Net cash used by investing activities	(451,864)		(677,455)
Cash flows from financing activities:
Short-term borrowings, net	2,677		84
Current maturities and long-term debt:
Additions	528,601		740,360
Reductions	(62,406)		(3,333)
Dividends paid to noncontrolling interests	—		(3,098)
Sale of noncontrolling interests	—		876
Stock-based compensation - Employee taxes paid	(4,093)		(11,167)
Deferred financing costs	(1,928)		(9,464)
Other financing activities, net	(1,371)		—
Net cash provided by financing activities	461,480		714,258
Effect of exchange rate changes on cash and cash equivalents, including restricted cash	(6,818)		(242)
Net increase in cash and cash equivalents, including restricted cash	24,319		41,933
Cash and cash equivalents, including restricted cash, at beginning of period	59,732		67,146
Cash and cash equivalents, including restricted cash, at end of period	$	84,051	$	109,079
Supplementary cash flow information:
Change in accrual for purchases of property, plant and equipment included in accounts payable	$	1,085	$	12,804

See accompanying notes to unaudited condensed consolidated financial statements.

8

HARSCO CORPORATION

CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited)

	Harsco Corporation Stockholders’ Equity
	Common Stock				Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interests
(In thousands, except share  amounts)	Issued		Treasury										Total
Balances, December 31, 2018	$	141,842	$	(795,821)	$	190,597	$	1,298,752	$	(567,107)	$	45,113	$	313,376
Adoption of new accounting standards							21,429		(21,429)				—
Net income							20,697				1,840		22,537
Total other comprehensive income, net of deferred income taxes of $1,729									4,111		420		4,531
Sale of subsidiary shares to noncontrolling interest											876		876
Stock appreciation rights exercised, net 927 shares	2		(8)		(2)								(8)
Vesting of restricted stock units and other stock grants, net 94,229 shares	198		(1,456)		(198)								(1,456)
Vesting of performance share units, net 529,213 shares	1,136		(8,235)		(1,149)								(8,248)
Amortization of unearned portion of stock-based compensation, net of forfeitures					3,664								3,664
Balances, March 31, 2019	143,178		(805,520)		192,912		1,340,878		(584,425)		48,249		335,272
Net income							8,642				2,287		10,929
Cash dividends declared:
Noncontrolling interests											(4,690)		(4,690)
Total other comprehensive income, net of deferred income taxes of $(1,569)									4,196		(598)		3,598
Contributions receivable from noncontrolling interest (a)											3,150		3,150
Stock appreciation rights exercised, net 10,216 shares	18		(108)		(18)								(108)
Vesting of restricted stock units and other stock grants, net 99,134 shares	198		(1,375)		(198)								(1,375)
Amortization of unearned portion of stock-based compensation, net of forfeitures					2,338								2,338
Balances, June 30, 2019	$	143,394	$	(807,003)	$	195,034	$	1,349,520	$	(580,229)	$	48,398	$	349,114

(a) Cash contribution was received during July 2019.

9

	Harsco Corporation Stockholders’ Equity
(In thousands, except per share amounts)	Common Stock				Additional Paid-in Capital		Retained Earnings		Accumulated Other Comprehensive Loss		Noncontrolling Interests
	Issued		Treasury										Total
Balances, December 31, 2019	$	143,400	$	(838,893)	$	200,595	$	1,824,100	$	(587,622)	$	48,079	$	789,659
Net income							141				1,086		1,227
Total other comprehensive loss, net of deferred income taxes of $(5,267)									(28,854)		(1,148)		(30,002)
Vesting of restricted stock units and other stock grants, net 104,840 shares	230		(889)		(230)								(889)
Vesting of performance share units, net 265,151 shares	589		(3,205)		(589)								(3,205)
Amortization of unearned portion of stock-based compensation, net of forfeitures					2,080								2,080
Balances, March 31, 2020	144,219		(842,987)		201,856		1,824,241		(616,476)		48,017		758,870
Net income							(10,602)		$	—	1,147		(9,455)
Total other comprehensive income, net of deferred income taxes of $(1,229)									12,858		173		13,031
Stock appreciation rights exercised, net 6,744 shares	8		(16)		(8)								(16)
Vesting of restricted stock units and other stock grants, net 14,211 shares	18		—		(18)								—
Amortization of unearned portion of stock-based compensation, net of forfeitures					2,086								2,086
Balances, June 30, 2020	$	144,245	$	(843,003)	$	203,916	$	1,813,639	$	(603,618)	$	49,337	$	764,516

See accompanying notes to unaudited condensed consolidated financial statements.

10

HARSCO CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS (Unaudited)

1.     Basis of Presentation

The Company has prepared these unaudited condensed consolidated financial statements in accordance with U.S. GAAP for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the SEC. Accordingly, the unaudited condensed consolidated financial statements do not include all information and disclosure required by U.S. GAAP for annual financial statements. The December 31, 2019 Condensed Consolidated Balance Sheet information contained in this Quarterly Report on Form 10-Q was derived from the 2019 audited consolidated financial statements.  The unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements, including the notes thereto, included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019. In the opinion of management, all adjustments (all of which are of a normal recurring nature) that are necessary for a fair statement are reflected in the unaudited condensed consolidated financial statements. 

Restricted Cash

The Company had restricted cash of $2.3 million and $2.5 million at June 30, 2020 and December 31, 2019, respectively, and the restrictions are primarily related to collateral provided for certain guarantees of the Company's performance.

Acquisition of ESOL

On April 6, 2020 the Company completed the previously announced acquisition of ESOL, an established waste transportation, processing and services provider with a comprehensive portfolio of disposal solutions for customers primarily across the industrial, retail and healthcare markets from Stericycle, Inc. for $438.8 million in cash, subject to post-closing adjustments. See Note 3, Acquisitions and Dispositions, for additional information.

Segment Reporting

The Company reports information about operating segments using the "management approach," which is based on the way management organizes and reports the segments within the enterprise for making operating decisions and assessing performance. The Company's reportable segments are identified based upon differences in products, service and markets served. The Company has determined that the operations of ESOL will be combined and included as part of the Harsco Clean Earth Segment.

Impact of COVID-19

Beginning in early 2020 overall global economic conditions were significantly impacted by COVID-19. The continuing impact of COVID-19 on the Company varies by end market as well as local conditions (including applicable government mandates) and is continually evolving. The ultimate duration and impact of COVID-19 on the Company and its customers' operations is presently unclear, though the Company continues to operate as a provider of certain essential services in the U.S. and most other countries. The Company continues to take significant and proactive actions to protect all stakeholders and to minimize the operational and financial impacts of COVID-19 where possible.

The Company did not record any long-lived asset impairments, indefinite-lived asset impairments, goodwill impairments, significant inventory write-downs or incremental accounts receivable reserves for current expected credit losses during the three months or six months ended June 30, 2020, however such charges are possible in future periods, which could have an adverse effect on the Company's future results of operations, cash flows, or financial condition.

Discontinued Operations

In January 2020 the Company sold IKG and together with the 2019 sales of AXC and PK, this completes the divestiture of the former Harsco Industrial Segment originally announced in May 2019. These disposals represent a strategic shift and accelerated the transformation of the Company's portfolio of businesses into a leading provider of environmental solutions and services. As a result of these disposals (i) the carrying value of the remaining assets and liabilities of the Harsco Industrial Segment have been classified as Assets held-for-sale and Liabilities of assets held-for-sale on the Company's December 31, 2019 Condensed Consolidated Balance Sheets; (ii) the operating results of the Harsco Industrial Segment, costs directly related to the disposals, an allocation of interest expense associated with mandatory debt repayments required as a result of the disposals and the write-off of deferred financing costs resulting from the mandatory repayment have been reflected in the Company's Condensed Consolidated Statements of Operations as discontinued operations for all periods presented; and (iii) all disclosures have been updated to reflect these changes. See Note 3, Acquisitions and Dispositions, for additional information.

Reclassifications

Certain reclassifications have been made to prior year amounts to conform with current year classifications.

11

2.     Recently Adopted and Recently Issued Accounting Standards

The following accounting standards have been adopted in 2020:

On January 1, 2020 the Company adopted changes issued by the FASB which updated the impairment model for credit losses by requiring entities to use a forward-looking approach based on expected losses rather than incurred losses to estimate credit losses on certain types of financial instruments, including trade receivables. Provisions for receivables will be recorded as Allowance for expected credit losses, replacing the previously utilized Allowance for doubtful accounts. In addition, these changes required certain expanded disclosures. Other than changes in disclosure, these changes did not have a material impact on the Company's condensed consolidated financial statements as the calculation of expected credit losses did not yield results that were materially different from the methodology previously utilized by the Company. See Note 4, Accounts Receivable and Note Receivable for additional information.

On January 1, 2020 the Company adopted changes issued by FASB that removed the second step of the annual goodwill impairment test, which requires a hypothetical purchase price allocation. The changes provide that the amount of goodwill impairment will be equal to the amount by which a reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill. All other goodwill impairment guidance remains largely unchanged. The same one-step impairment test will be applied to goodwill at all reporting units, even those with zero or negative carrying amounts. Entities will be required to disclose the amount of goodwill at reporting units with zero or negative carrying amounts. These changes did not have a material impact on the Company's condensed consolidated financial statements.

On January 1, 2020 the Company adopted changes issued by FASB which modified the disclosure requirements for fair value measurements. The amendments in this update remove the requirement to disclose the amount of, and reasons for, transfers between Level 1 and Level 2 of the fair value hierarchy; the policy for timing of transfers between levels and the valuation processes for Level 3 fair value measurements. The changes require disclosure of changes in unrealized gains and losses for the period included in OCI for recurring Level 3 fair value measurements held at the end of the reporting period and the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements. Other than required expanded disclosures, the adoption of these changes did not have a material impact on the Company's condensed consolidated financial statements.

The following accounting standards have been issued and become effective for the Company at a future date:

In December 2019 the FASB issued changes which are intended to reduce complexity and simplify the accounting for income taxes in accordance with U.S. GAAP by removing certain exceptions related to investments, intraperiod allocations and interim calculations and clarifying existing guidance to improve consistent application. The changes become effective for the Company on January 1, 2021 with early adoption permitted. Management is currently evaluating the impact of these changes on its condensed consolidated financial statements.

In March 2020 the FASB issued changes that provides companies with optional guidance to ease the potential accounting burden associated with transitioning from reference rates that are expected to be discontinued. In response to the concerns about risks of IBORs and, particularly, the risk of cessation of LIBOR, regulators in several jurisdictions around the world have undertaken reference rate reform initiatives to identify alternative reference rates that are more observable or transaction based and less susceptible to manipulation. The changes provide optional expedients and exceptions for applying U.S. GAAP to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The changes can be adopted no later than December 31, 2022 with early adoption permitted. Management does not believe these changes will have a material impact on its condensed consolidated financial statements.

12

3. Acquisitions and Dispositions

ESOL

On April 6, 2020 the Company completed the previously announced acquisition of 100% of ESOL, an established waste transportation, processing and services provider with a comprehensive portfolio of disposal solutions for customers primarily across the industrial, retail and healthcare markets from Stericycle, Inc. for $438.8 million of cash consideration at closing, subject to normal working capital adjustments. In addition, as part of the acquisition, the Company entered into a non-compete agreement with Stericycle, Inc. Concurrent to the ESOL acquisition, the Company entered into an agreement with Stericycle Inc. related to certain Stericycle, Inc. customers who receive services from both ESOL and other Stericycle, Inc. businesses under a single contractual arrangement. The revenue pertaining to services rendered to these customers are invoiced centrally through Stericycle, Inc. billing systems and ESOL's portion of the revenue, less a management fee, is then distributed to the Company.

The preliminary fair value recorded for the assets acquired and liabilities assumed for ESOL is as follows:

	Preliminary Valuation
(In millions)	April 6 2020		Measurement Period Adjustments		June 30 2020
Cash and cash equivalents	$	0.4	$	—	$	0.4
Trade accounts receivable	124.1		—		124.1
Inventory	5.0		—		5.0
Other current assets	0.7		—		0.7
Property, plant and equipment	105.3		—		105.3
Right-of-use assets	56.0		—		56.0
Goodwill	152.0		—		152.0
Intangible assets	161.0		—		161.0
Other assets	0.2		—		0.2
Accounts payable	(48.6)		—		(48.6)
Accrued expenses	(17.5)		—		(17.5)
Current portion of operating lease liabilities	(16.6)		—		(16.6)
Other current liabilities	(6.4)		—		(6.4)
Environmental liabilities	(24.4)		—		(24.4)
Deferred income taxes	(15.5)		—		(15.5)
Operating lease liabilities	(39.4)		—		(39.4)
Total identifiable net assets of ESOL	436.3		—		436.3
Non-compete agreement	2.5		—		2.5
Total identifiable net assets of ESOL	$	438.8	$	—	$	438.8

The goodwill is primarily attributed to expected operational efficiencies and synergies from the expanded geographical scale of hazardous waste processing facilities resulting from combining the ESOL business with the existing Clean Earth business of the Company, as well as the value associated with the assembled workforce of ESOL. The Company expects $36.8 million of goodwill to be deductible for income tax purposes through 2030.

The following table details the preliminary valuation of identifiable intangible assets and amortization periods for ESOL and the non-compete entered into by the Company upon acquisition of ESOL:

		Preliminary Valuation
(Dollars in millions)	Weighted-Average Amortization Period	April 6 2020		Measurement Period Adjustments (a)		June 30 2020
Permits and rights	22 years	$	138.0	$	0.0	$	138.0
Customer relationships	10 years	23.0		0.0		23.0
Total identifiable intangible assets of ESOL		161.0		0.0		161.0
Non-compete agreement	4 years	2.5		0.0		2.5
Total identifiable intangible assets acquired		$	163.5	$	0.0	$	163.5

The Company valued the identifiable intangible assets using methodologies under the income approach including the multi-period excess earnings method, the distributor method, and the with-and-without method. The purchase price allocation for ESOL is not final and the fair value of intangible assets and goodwill may vary significantly from those reflected in the Company's condensed consolidated financial statements at June 30, 2020.

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ESOL contributed revenue of $107.5 million and an operating loss of $1.9 million for both the three and six months ended June 30, 2020. The operations of ESOL have been combined and included as part of the Harsco Clean Earth Segment.

The three and six months ended June 30, 2020 include ESOL direct acquisition and integration costs of $17.2 million and $30.3 million, respectively, which are included in the Selling, general and administrative expenses, within the Corporate function, in the Company's Condensed Consolidated Statements of Operations. In addition to the acquisition and integration costs reflected in the Company's Condensed Consolidated Statements of Operations, the debt issuance costs associated with the issuance of debt to fund the acquisition are reflected, net of amortization subsequent to the acquisition date, as Long-term debt on the Company's Condensed Consolidated Balance Sheets.

Clean Earth

On June 28, 2019 the Company acquired 100% of the outstanding stock of Clean Earth, one of the largest U.S. providers of specialty waste processing and beneficial reuse solutions for hazardous wastes, contaminated materials and dredged volumes, for an enterprise valuation of approximately $625 million on a cash free, debt free basis, subject to normal working capital adjustments. The Company transferred approximately $628 million of cash consideration and agreed to reimburse the sellers for any usage of assumed net operating losses in a post-closing period for up to five years, the present value of which is estimated at approximately $8 million.

The fair value recorded for the assets acquired and liabilities assumed for Clean Earth is as follows: 

	Final
(In millions)	June 28, 2019		Measurement Period Adjustments (a)		June 30 2020
Cash and cash equivalents (b)	$	42.8	$	(39.2)	$	3.6
Trade accounts receivable, net	63.7		(1.2)		62.5
Other receivables	0.8		1.3		2.1
Other current assets	8.7		(1.4)		7.3
Property, plant and equipment	75.6		1.4		77.0
Right-of-use assets	14.4		11.4		25.8
Goodwill	313.8		16.8		330.6
Intangible assets	261.1		(18.9)		242.2
Other assets	4.0		(2.8)		1.2
Accounts payable	(23.0)		(0.1)		(23.1)
Acquisition consideration payable (b)	(39.2)		39.2		—
Other current liabilities	(18.0)		(1.7)		(19.7)
Net deferred taxes liabilities	(51.2)		5.5		(45.7)
Operating lease liabilities	(11.1)		(8.4)		(19.5)
Other liabilities	(6.5)		(2.1)		(8.6)
Total identifiable net assets of Clean Earth	$	635.9	$	(0.2)	$	635.7

(a)  The measurement period adjustments did not have a material impact on the Company's previously reported operating results.

(b)  Acquisition consideration payable represents a portion of the cash consideration not paid out until July 2019.

The goodwill is attributable to strategic benefits, including enhanced operational and financial scale, as well as product and market diversification that the Company expects to realize. The Company expects $16.3 million of goodwill to be deductible for income tax purposes through 2033.

The following table details the preliminary valuation of identifiable intangible assets and amortization periods for Clean Earth:

		Final
(Dollars in millions)	Weighted-Average Amortization Period	Preliminary Valuation June 28, 2019		Measurement Period Adjustments (c)		June 30 2020
Permits	18 years	$	176.1	$	(6.0)	$	170.1
Customer relationships	8 years	33.4		(12.9)		20.5
Air rights	Usage based (d)	25.6		—		25.6
Trade names	12 years	26.0		—		26.0
Total identifiable intangible assets of Clean Earth		$	261.1	$	(18.9)	$	242.2

(c)  The measurement period adjustments did not have a material impact on the Company's previously reported operating results.

(d)  The Company estimates that based on current usage that the expected useful life would be 27 years.

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The Company valued the identifiable intangible assets using an income-based approach that utilized either the multi-period excess earnings method or the relief from royalty method.

The three and six months ended June 30, 2019 include Clean Earth acquisition and integration costs of $12.0 million and $12.5 million, respectively which are included in Selling, general and administrative expenses in the Company’s Condensed Consolidated Statements of Operations.

Pro forma financial information

The pro forma information below gives effect to the Clean Earth acquisition as if it had been completed on January 1, 2018 and the ESOL acquisition as if it had been competed on January 1, 2019. The pro forma information is not necessarily indicative of the Company’s results of operations had the acquisitions been completed on the above dates, nor is it necessarily indicative of future results. The pro forma information does not reflect any cost savings from operating efficiencies or synergies that could result from the acquisitions and does not reflect the additional revenue opportunities following the acquisitions. The pro forma information below includes the adjustments necessary to reflect additional depreciation and amortization expense based on the estimated fair value and useful lives of intangible assets and fixed assets acquired; includes additional interest expense of approximately $4.7 million for the six months ended June 30, 2020 and $14.8 million and $29.4 million for the three and six months ended June 30, 2019, respectively,on the acquisition related borrowings used to finance the acquisitions and excludes certain directly attributable acquisition and integration costs and historic interest expense. These pro forma adjustments are subject to change as additional analysis is performed. The values assigned to the assets acquired and liabilities assumed are based on preliminary valuations, for the ESOL acquisition, and are subject to change as the Company obtains additional information during the remaining measurement period. In addition, the historical ESOL results included $8.9 million for the six months ended June 30, 2020 and $8.9 million and $17.8 million for the three and six months ended June 30, 2019, respectively, of corporate expenses charged to ESOL from Stericycle.

	Three Months Ended				Six Months Ended
	June 30				June 30
(In millions)	2020		2019		2020		2019
Pro forma revenues	$	447.3	$	564.4	$	976.8	$	1,078.1
Pro forma net income (including discontinued operations)	2.0		23.5		2.7		12.8

Harsco Industrial Segment

In January 2020 the Company sold IKG for $85 million, including a note receivable with a face value of $40.0 million (initial fair value $34.3 million), and recognized a gain on the sale of $18.4 millionpre-tax (or approximately $9 million after-tax). This disposal along with the disposals of AXC and PK in 2019, represent a strategic shift and accelerates the transformation of the Company's portfolio of businesses into a global, market-leading, single-thesis environmental solutions platform. See Note 4, Accounts Receivable and Note Receivable, for additional information related to the note receivable.

The Harsco Industrial Segment has historically been a separate reportable segment with primary operations in North America and Latin America. In accordance with U.S. GAAP, the results of the former Harsco Industrial Segment are presented as discontinued operations and, as such, have been excluded from both continuing operations and segment results for the three months ended June 30, 2020 and 2019.

Certain key selected financial information included in net income from discontinued operations for the former Harsco Industrial Segment is as follows:

	Three Months Ended				Six Months Ended
	June 30				June 30
(In millions)	2020		2019		2020		2019
Amounts directly attributable to the former Harsco Industrial Segment:
Total revenues	$	—	$	116,796	$	10,203	$	234,182
Cost of products sold	—		85,319		8,082		173,014
Income from discontinued business	(95)		9,882		123		24,074
Additional amounts allocated to the former Harsco Industrial Segment:
Selling, general and administrative expenses (e)	$	(77)	$	3,527	$	1,189	$	3,527
Interest expense (f)	—		7,005		—		11,237

(e) The Company has allocated directly attributable transaction costs to discontinued operations.

(f) The Company has allocated interest expense, including a portion of the amount reclassified into income for the Company's interest rate swaps and amortization of deferred financing costs resulting from the AXC disposal, as part of discontinued operations.

15

The Company has retained corporate overhead expenses previously allocated to the Harsco Industrial Segment of $1.4 million for the three months ended June 30, 2019 and $2.8 million for the six months ended June 30, 2019, as part of Selling, general and administrative expenses, on the Company's Condensed Consolidated Statements of Operations.

The following is selected financial information included on the Company's Condensed Consolidated Statements of Cash Flows attributable to the former Harsco Industrial Segment:

	Six Months Ended
	June 30
(In millions)	2020		2019
Non-cash operating items
Depreciation and amortization	$	—	$	3,301
Cash flows from investing activities
Purchases of property, plant and equipment	106		5,221

4.    Accounts Receivable and Note Receivable

Accounts receivable are stated at net realizable value which represents the face value of the receivable less an allowance for expected credit losses. The allowance for expected credit losses is maintained for expected lifetime losses resulting from the inability or unwillingness of customers to make required payments.

The Company’s expected credit loss allowance methodology for accounts receivable is developed using historical collection experience, current and future economic and market conditions and a review of the current status of customers' trade accounts receivables. When required, the Company adjusts the loss-rate methodology to account for current conditions and reasonable and supportable expectations of future economic and market conditions. The Company generally assesses future economic conditions for a period which corresponds with the contractual life of its accounts receivables. Additionally, specific allowance amounts are established to record the appropriate provision for customers that have a higher probability of default.

Prior to the adoption of the new methodology, the Company established an allowance for doubtful accounts based upon a specific-identification method as well as historical collection experience, as appropriate.

Accounts receivable consist of the following:

(In thousands)	June 30 2020		December 31 2019
Trade accounts receivable	$	413,638	$	323,502
Less: Allowance for expected credit losses and doubtful accounts (a) (b)	(7,073)		(13,512)
Trade accounts receivable, net	$	406,565	$	309,990
Other receivables (c)	$	19,601	$	21,265

(a) The decrease in the allowance for expected credit losses and doubtful accounts is the final write-off of previously fully-reserved balances in the Harsco Environmental Segment.

(b) Upon the acquisition of ESOL, trade accounts receivable were recorded at $124.1 million, which included approximately $12.1 million of allowance for expected credit losses that was netted against the gross receivable balance as of the acquisition date.

(c)  Other receivables include employee receivables, insurance receivable, tax claims and other miscellaneous items not included in Trade accounts receivable, net.

The change in the provision for expected credit losses and doubtful accounts related to trade accounts receivable was as follows:

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands)	2020		2019		2020		2019
Provision for expected credit losses and doubtful accounts related to trade accounts receivable	$	18	$	5,433	$	237	$	5,423

At June 30, 2020 approximately $4.6 million of the Company's trade accounts receivable were past due by twelve months or more. Approximately $1 million of this amount is reserved, although collection of the remaining balance is still ultimately expected.

16

In January 2020 the Company sold IKG for $85 million including cash and a note receivable, subject to post-closing adjustments. The note receivable from the buyer has a face value of $40 million bearing interest at 2.50% that is paid in kind and matures on January 31, 2027. Any unpaid principal, along with any accrued but unpaid interest is payable at maturity. Prepayment is required in case of a change in control or a percentage of excess cash flow, as defined in the note receivable agreement. Because there are no scheduled payments under the terms of the note receivable, the balance is not classified as current as of June 30, 2020 and is included in the caption Other assets on the Condensed Consolidated Balance Sheet. The initial fair value of the note receivable was $34.3 million which was calculated using an average of various discounted cash flow scenarios based on anticipated timing of repayments (Level 3) and was a non-cash transaction. The note receivable is subsequently measured at amortized cost. Key inputs into the valuation model include: projected timing and amount of cash flows, pro forma debt rating, option-adjusted spread and U.S. Treasury spot rate. At June 30, 2020 the amortized cost of the note receivable was $35.0 million, compared with a fair value of $34.7 million.

(In thousands)	June 30 2020		December 31 2019
Note receivable	$	34,977	$	—

5.    Inventories

Inventories consist of the following:

(In thousands)	June 30 2020		December 31 2019
Finished goods	$	13,233	$	14,550
Work-in-process	12,107		13,088
Raw materials and purchased parts	117,900		104,488
Stores and supplies	30,333		24,865
Total inventories	$	173,573	$	156,991

During 2016 the Company recognized an initial estimated forward loss provision related to the contracts with SBB of $45.1 million. The Company recorded an additional forward loss provision of $1.8 million during 2018. At June 30, 2020 the entire remaining estimated forward loss provision of $7.0 million is included as Other current liabilities on the Company's Condensed Consolidated Balance Sheets. The estimated forward loss provision represents the Company's best estimate based on currently available information. It is possible that the Company's overall estimate of costs to complete these contracts may increase, which would result in an additional estimated forward loss provision at such time.

The Company recognized $7.6 million and $5.9 million of revenues for the contracts with SBB at zero margin, on an over time basis, utilizing a cost-to-cost method for the three months ended June 30, 2020 and 2019, respectively, and $17.7 million and $10.6 million for the six months ended June 30, 2020 and 2019, respectively. Consolidated product revenue gross margins were not significantly impacted by the revenue recognized under the SBB contracts for the three and six months ended June 30, 2020 and 2019. The Company has substantially completed the first contract and is approximately 56% complete on the second contract with SBB as of June 30, 2020.

6.     Property, Plant and Equipment

Property, plant and equipment consists of the following:

(In thousands)	June 30 2020		December 31 2019
Land	$	75,579	$	30,409
Land improvements	18,461		19,155
Buildings and improvements	219,883		182,795
Machinery and equipment	1,473,061		1,518,652
Uncompleted construction	58,499		55,592
Gross property, plant and equipment	1,845,483		1,806,603
Less: Accumulated depreciation	(1,211,131)		(1,244,817)
Property, plant and equipment, net	$	634,352	$	561,786

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7. Leases

The components of lease expense were as follows:

	Three Months Ended				Six Months Ended
(In thousands)	June 30 2020		June 30 2019		June 30 2020		June 30 2019
Finance leases:
Amortization expense	$	367	$	312	$	738	$	586
Interest on lease liabilities	44		37		96		41
Operating leases	8,904		3,435		13,188		7,127
Variable and short-term lease expense	10,485		4,818		17,596		9,609
Sublease income	(48)		—		(98)		—
Total lease expense from continuing operations	$	19,752	$	8,602	$	31,520	$	17,363

Supplemental cash flow information related to leases was as follows:

	Six Months Ended
(In thousands)	June 30 2020		June 30 2019
Cash paid for amounts included in the measurement of lease liabilities:
Cash flows from operating activities - Operating leases	$	12,384	$	6,743
Cash flows from financing activities - Finance leases	663		637
Right-of-use assets obtained in exchange for lease obligations:
Operating leases (a)	$	67,534	$	50,696
Finance leases	1,234		1,692

(a)  Cash flows for the six months ended June 30, 2020 include ROU assets of approximately $56.0 million that were recorded upon the acquisition of ESOL. Cash flows for six months ended June 30, 2019 include ROU assets of approximately $34 million that were recorded upon adoption at January 1, 2019 and $14.4 million that were recorded upon the acquisition of Clean Earth. See Note 3, Acquisitions and Dispositions, for additional information..

Supplemental balance sheet information related to leases was as follows: 

(In thousands)	June 30 2020		December 31 2019
Operating Leases:
Operating lease right-of-use assets	$	101,743	$	52,065
Current portion of operating lease liabilities	27,850		$	12,544
Operating lease liabilities	71,553		36,974
Finance Leases:
Property, plant and equipment, net	$	3,891	$	3,519
Current maturities of long-term debt	1,289		$	1,237
Long-term debt	2,735		2,218

Supplemental additional information related to leases is as follows:

	June 30 2020		December 31 2019
Other information:
Weighted average remaining lease term - Operating leases (in years)	8.33		11.57
Weighted average remaining lease term - Finance leases (in years)	3.77		4.01
Weighted average discount rate - Operating leases	6.1	%	6.3	%
Weighted average discount rate - Finance leases	4.2	%	4.2	%

18

Maturities of lease liabilities were as follows:

(In thousand)	Operating Leases		Finance Leases
Year Ending December 31st:
2020 (excluding the six months ended June 30, 2020)	$	16,446	$	691
2021	27,125		1,208
2022	20,395		949
2023	15,786		749
2024	10,735		587
After 2024	41,421		43
Total lease payments	131,908		4,227
Less: Imputed interest	(32,505)		(203)
Total	$	99,403	$	4,024

The Company's leases, excluding short-term leases, have remaining terms of less than one year to 30.3 years, some of which include options to extend for up to 10 years, and some of which include options to terminate within one year. As of

June 30, 2020 the Company had no material operating leases that had not yet commenced. There are no material residual value guarantees or material restrictive covenants.

8.     Goodwill and Other Intangible Assets

The following table reflects the changes in carrying amounts of goodwill by segment for the six months ended June 30, 2020:

(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Balance at December 31, 2019	$	395,113	$	330,230	$	13,026	$	738,369
Changes to goodwill (a)	1,479		152,300		—		153,779
Foreign currency translation	(10,483)		—		—		(10,483)
Balance at June 30, 2020	$	386,109	$	482,530	$	13,026	$	881,665

(a) The changes to goodwill primarily relate to the acquisition of ESOL in the Harsco Clean Earth Segment, See note 3, Acquisitions and Dispositions, and an immaterial acquisitions in the Harsco Environmental Segment.

The Company tests for goodwill impairment annually, or more frequently if indicators of impairment exist, or if a decision is made to dispose of a business.  The Company performs the annual goodwill impairment test as of October 1 and monitors for triggering events on an ongoing basis.  The Company determined that, as of June 30, 2020, no interim goodwill impairment testing was necessary. 

The Company has concluded that no triggering event occurred during the three months ended June 30, 2020. However, a prolonged economic downturn resulting from COVID-19 could impact the Company's future projected cash flows used to estimate fair value, and/or result in a sustained decrease in the Company’s share price, which could indicate an impairment.

Intangible assets, net on the Company's Condensed Consolidated Balance Sheets consist of the following:

	June 30, 2020				December 31, 2019
(In thousands)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer related	$	165,770	$	101,512	$	143,996	$	99,327
Permits	308,432		11,028		170,322		4,694
Technology related	36,411		6,966		36,467		5,635
Trade names	31,525		3,452		31,719		2,182
Air rights	26,139		743		26,139		411
Patents	185		130		249		168
Non-compete Agreement	2,500		156		—		—
Other	3,608		1,138		3,765		1,158
Total	$	574,570	$	125,125	$	412,657	$	113,575

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Amortization expense for intangible assets was as follows:

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands)	2020		2019		2020		2019
Amortization expense for intangible assets	$	8,352	$	1,901	$	14,270	$	3,840

The estimated amortization expense for the next five fiscal years based on current intangible assets is as follows:

(In thousands)	2020		2021		2022		2023		2024
Estimated amortization expense (b)	$	31,200	$	32,300	$	31,600	$	31,600	$	31,100

(b)  These estimated amortization expense amounts do not reflect the potential effect of future foreign currency exchange fluctuations.

9. Debt and Credit Agreements

In March 2020 the Company raised $280 million pursuant to the New Term Loan as a new tranche under the existing Senior Secured Credit Facilities. There were no borrowings outstanding under the New Term Loan at March 31, 2020. The New Term Loan was fully drawn on April 6, 2020 to partially fund the acquisition of ESOL. See Note 3, Acquisition and Dispositions for additional information related to the ESOL acquisition. Borrowings under the New Term Loan bear interest at a rate per annum ranging from 150 to 225 basis points over adjusted LIBOR (as defined in the Credit Agreement). The New Term Loan will mature on June 28, 2024. The Company capitalized $1.9 million of fees related to the issuance of the New Term Loan, all of which have been principally paid as of June 30, 2020.

In both March 2020 and June 2020, the Company amended the Senior Secured Credit Facilities to increase the net debt to consolidated adjusted EBITDA ratio covenant. As a result of these amendments, the net debt to consolidated adjusted EBITDA ratio covenant has been increased to 5.25 for June 30, 2020, 5.75 through March 2021 and then decreasing quarterly until reaching 4.75 in December 2021. There is no change to the previously agreed interest rates as long as the Company's total leverage ratio does not equal or exceed 4.50 at which time it would increase by 25 basis points. During the three and six months ended June 30, 2020, the Company recognized $1.4 million and $1.9 million respectively, of fees and expenses related to the amended Senior Secured Credit Facilities in the caption Unused debt commitment and amendment fees on the Condensed Consolidated Statement of Operations.

10.  Employee Benefit Plans

	Three Months Ended
	June 30
Defined Benefit Pension Plans Net Periodic Pension Cost (Benefit)	U.S. Plans				International Plans
(In thousands)	2020		2019		2020		2019
Service costs	$	—	$	10	$	426	$	357
Interest costs	1,845		2,651		4,235		5,548
Expected return on plan assets	(2,842)		(2,593)		(9,833)		(9,319)
Recognized prior service costs	—		—		106		65
Recognized loss	1,225		1,405		3,532		3,577
Settlement/curtailment losses	—		129		—		—
Defined benefit pension plans net periodic pension cost (benefit)	$	228	$	1,602	$	(1,534)	$	228

20

	Six Months Ended
	Jun 30
Defined Benefit Pension Plans Net Periodic Pension Cost (Benefit)	U.S. Plans				International Plans
(In thousands)	2020		2019		2020		2019
Service costs	$	—	$	20	$	855	$	713
Interest costs	3,690		5,302		8,630		11,212
Expected return on plan assets	(5,684)		(5,186)		(20,023)		(18,836)
Recognized prior service costs	—		—		213		131
Recognized loss	2,650		2,810		7,187		7,230
Settlement/curtailment losses	—		129		—		—
Defined benefit pension plans net periodic pension cost (benefit)	$	656	$	3,075	$	(3,138)	$	450

	Three Months Ended				Six Months Ended
Company Contributions	June 30				June 30
(In thousands)	2020		2019		2020		2019
Defined benefit pension plans (U.S.)	$	460	$	2,011	$	2,487	$	3,490
Defined benefit pension plans (International)	1,493		3,131		11,553		12,401
Multiemployer pension plans	379		483		788		1,004
Defined contribution pension plans	1,897		2,969		5,066		6,359

The Company's estimate of expected contributions to be paid during the remainder of 2020 for the U.S. and international defined benefit pension plans are $5.7 million and $8.4 million, respectively. The recently enacted CARES Act allows for the deferral, until 2021, of certain expected pension contributions in the U.S. The Company is currently evaluating this alternative.

11.     Income Taxes 

Income tax benefit related to continuing operations for the three and six months ended June 30, 2020 was $2.3 million and $3.0 million, respectively. Income tax expense related to continuing operations for the three and six months ended June 30, 2019 was $4.0 million and $5.2 million, respectively. The change in the income tax benefit for the three and six months ended June 30, 2020 compared with the income tax expense for the three months and six months ended June 30, 2019 is the result of lower taxable income, primarily resulting from decreased operating income as a result of the impacts of COVID-19 and incremental acquisition and integration costs of approximately $5 million and $16 million for the three and six months ended June 30, 2020, respectively, to support the ESOL acquisition.

An income tax benefit from an uncertain tax position may be recognized when it is more likely than not that the position will be sustained upon examination, based on technical merits, including resolutions of any related appeals or litigation processes. The reserve for uncertain tax positions at June 30, 2020 was $3.7 million, including interest and penalties.  Within the next twelve months, it is reasonably possible that $0.3 million unrecognized income tax benefits will be recognized upon settlement of tax examinations and the expiration of various statutes of limitations.

12.   Commitments and Contingencies

Environmental  

The Company is involved in a number of environmental remediation investigations and cleanups and, along with other companies, has been identified as a “potentially responsible party” for certain byproduct disposal sites.  While each of these matters is subject to various uncertainties, it is probable that the Company will agree to make payments toward funding certain of these activities, and it is possible that some of these matters will be decided unfavorably to the Company.  The Company has evaluated its potential liability, and its financial exposure is dependent upon such factors as the continuing evolution of environmental laws and regulatory requirements, the availability and application of technology, the allocation of cost among potentially responsible parties, the years of remedial activity required and the remediation methods selected. 

The Company evaluates its liability for future environmental remediation costs on a quarterly basis. Although actual costs to be incurred at identified sites in future periods may vary from the estimates (given inherent uncertainties in evaluating environmental exposures), the Company does not expect that any costs that are reasonably possible to be incurred by the Company in connection with environmental matters in excess of the amounts accrued would have a material adverse effect on the Company's financial condition, results of operations or cash flows.

21

The following table summarizes information related to the location and undiscounted amount of the Company's environmental liabilities:

(In thousands)	June 30 2020		December 31 2019
Current portion of environmental liabilities (a)	$	6,115	$	3,431
Long-term environmental liabilities	30,027		5,600
Total environmental liabilities	$	36,142	$	9,031

(a) The current portion of environmental liabilities is included in the caption Other current liabilities on the Company's Condensed Consolidated Balance Sheets.

Environmental liabilities relate primarily to the ESOL business which was acquired on April 6, 2020. As part of the ESOL acquisition, the Company assumed control of certain, closed sites that were being monitored as part of ongoing environmental remediation plans. See Note 3, Acquisitions and Dispositions, for additional details.

On June 25 and 26, 2018, the DTSC conducted a compliance enforcement inspection of ESOL’s facility in Rancho Cordova, California, which was then owned by Stericycle, Inc. On February 14, 2020, the DTSC filed an action in the Superior Court for the State of California, Sacramento Division, alleging violations of California’s Hazardous Waste Control Law and the facility’s hazardous waste permit arising from the inspection. That action is ongoing. Separately, Stericycle, Inc. received from DTSC a written Intent to Deny Hazardous Waste Facility Permit Application dated August 5, 2019 for the Rancho Cordova facility. The DTSC has yet to issue a final permit decision. If the DTSC were to deny the permit renewal, the Company would have the right to file an administrative appeal. The Company has not accrued any amounts in respect of these alleged violations and cannot estimate the reasonably possible loss or the range of reasonably possible losses that it may incur. The Company is unable to make such an estimate because litigation is by its nature uncertain and unpredictable. Pursuant to the terms of the Company’s acquisition of ESOL, the Company is indemnified for certain costs and expenses associated with this matter by Stericycle, Inc.

As previously disclosed, the Company has had ongoing meetings with the SCE over processing salt cakes, a processing byproduct, stored at the Al Hafeerah site. The Company’s Bahrain operations that produced the salt cakes has ceased operations and are owned under a strategic venture for which its strategic venture partner owns a 35% minority interest. An Environmental Impact Assessment and Technical Feasibility Study were approved by the SCE during the first quarter of 2018. The Company is constructing facilities to process the salt cakes, and the Company currently expects those facilities to come online in 2020. The Company has previously established a reserve of $7.0 million, which represents the Company's best estimate of the ultimate costs to be incurred to resolve this matter. The Company continues to evaluate this reserve and any future change in estimated costs could be material to the Company’s results of operations in any one period.

On July 27, 2018 Brazil’s Federal and Rio de Janeiro State Public Prosecution Offices (MPF and MPE) filed a Civil Public Action against one of the Company's customers (CSN), the Company’s Brazilian subsidiary, the Municipality of Volta Redonda, Brazil, and the Instituto Estadual do Ambiente (local environmental protection agency) seeking the implementation of various measures to limit and reduce the accumulation of customer-owned slag at the site in Brazil. On August 6, 2018 the 3rd Federal Court in Volta Redonda granted the MPF and MPE an injunction against the same parties requiring, among other things, CSN and the Company’s Brazilian subsidiary to limit the volume of slag sent to the site. Because the customer owns the site and the slag located on the site, the Company believes that complying with this injunction is the steel producer’s responsibility.  On March 18, 2019 the Court issued an order fining the Company 5,000 Brazilian reais per day (or approximately $900 per day) and CSN 20,000 Brazilian reais per day (or approximately $4,000 per day) until the requirements of the injunction are met. On November 1, 2019 the Court issued an additional order increasing the fines assessed to the Company to 25,000 Brazilian reais per day (or approximately $5,000 per day) and raising the fines assessed to CSN to

100,000 Brazilian reais per day (or approximately $19,000 per day). The Court also assessed an additional fine of

10,000,000 Brazilian reais (or approximately $1,900,000) against CSN and the Company jointly. The Company is appealing the fines and the underlying injunction.  Both the Company and CSN continue to have discussions with the governmental authorities on the injunction and the possible resolution of the underlying case. The Company does not believe that a loss relating to this matter is probable or estimable at this point.

22

On October 19, 2018 local environmental authorities issued an enforcement action against the Company concerning the Company’s operations at a customer site in Ijmuiden, Netherlands.  The enforcement action alleges violations of the Company’s environmental permit at the site, which restricts the release of any visible dust emissions.  The enforcement action ordered the Company to cease all violations of the permit by October 31, 2018.  The authorities have issued three additional enforcement actions since that time and have asserted fines of approximately $0.5 million which the Company has recorded, with the possibility of additional fines for any future violations.  The Company is vigorously contesting the enforcement action and fines and is also working with its customer to ensure the control of emissions.  The Company has contractual indemnity rights from its customer, should it be required to pay the assessed fines. 

On June 13, 2019 the PA DEP indicated to the Company and a landowner who received processed slag from the Company that it plans to require action to bring the landowner’s site into compliance and to assess a civil penalty against the Company and the landowner. The Company is working with the landowner and PA DEP to determine the most effective way to address PA DEP’s concerns about the site and has established a $0.4 million reserve, which represents the Company’s best estimate of the costs to bring the landowner's site into compliance.

On March 24, 2017 the Allegheny County Health Department issued a notice of violation against the Company concerning the Company’s operations at a customer site in Natrona, Pennsylvania.  On January 21, 2020 the Company paid $0.1 million to settle the civil penalties accrued up to that date. In April 2020, the Company received a penalty assessment of $4,500 for three alleged additional events. It is possible the Company could incur additional penalties for future violations.  Pursuant to the settlement agreement, the Company and its customer have also agreed to construct and bring certain slag processing operations into a building.

DEA Investigation

Prior to the Company’s acquisition of ESOL, Stericycle, Inc, notified the Company that the DEA had served an administrative subpoena on Stericycle, Inc. and executed a search warrant at a facility in Rancho Cordova, California and an administrative inspection warrant at a facility in Indianapolis, Indiana. The Company has determined that the DEA and the DTSC have launched investigations involving, at least in part, the ESOL business of collecting, transporting, and destroying controlled substances from retail customers that transferred from Stericycle, Inc. to the Company. In connection with these investigations, the DEA also executed a search warrant on an ESOL facility in Austin Texas on July 2, 2020. The Company is cooperating with these inquiries, which relate primarily to the period before the Company owned the ESOL business. Since the acquisition of the ESOL business, the Company has performed a vigorous review of ESOL’s compliance program related to controlled substances and has made material changes to the manner in which controlled substances are transported from retail customers to DEA-registered facilities for destruction. The Company has not accrued any amounts in respect of these investigations and cannot estimate the reasonably possible loss or the range of reasonably possible losses that it may incur, if any. Investigations of this type are by their nature uncertain and unpredictable. While it is the Company’s position that it has recourse for some or all liabilities, if any, that arise from these matters under the ESOL purchase agreement, there can be no assurances that the Company’s position will ultimately prevail.

Brazilian Tax Disputes

The Company is involved in a number of tax disputes with federal, state and municipal tax authorities in Brazil. These disputes are at various stages of the legal process, including the administrative review phase and the collection action phase, and include assessments of fixed amounts of principal and penalties, plus interest charges that increase at statutorily determined amounts per month and are assessed on the aggregate amount of the principal and penalties. In addition, the losing party, at the collection action or court of appeals phase, could be subject to a charge to cover statutorily mandated legal fees, which are generally calculated as a percentage of the total assessed amounts due, inclusive of penalty and interest. Many of the claims relate to ICMS, services and social security tax disputes. The largest proportion of the assessed amounts relate to ICMS claims filed by the SPRA, encompassing the period from January 2002 to May 2005.

In October 2009 the Company received notification of the SPRA’s final administrative decision regarding the levying of ICMS in the State of São Paulo in relation to services provided to a customer in the State between January 2004 and May 2005.  As of June 30, 2020 the principal amount of the tax assessment from the SPRA with regard to this case is approximately $1.1 million, with penalty, interest and fees assessed to date increasing such amount by an additional $15.7 million.  On June 4, 2018 the Appellate Court of the State of Sao Paulo ruled in favor of the SPRA but ruled that the assessed penalty should be reduced to approximately $1 million. After calculating the interest accrued on the penalty, the Company estimates that this ruling reduces the current overall potential liability for this case to approximately $7 million. The Company has appealed the ruling in favor of the SPRA to the Superior Court of Justice. Due to multiple court precedents in the Company’s favor, as well as the Company’s ability to appeal, the Company does not believe a loss is probable.

23

Another ICMS tax case involving the SPRA refers to the tax period from January 2002 to December 2003. In December 2018 the administrative tribunal hearing the case upheld the Company's liability. The Company has appealed to the judicial phase. The aggregate amount assessed by the tax authorities in August 2005 was $4.7 million (the amounts with regard to this claim are valued as of the date of the assessment since it has not yet reached the collection phase), composed of a principal amount of $1.1 million, with penalty and interest assessed through that date increasing such amount by an additional $3.6 million.  On December 6, 2018 the administrative tribunal reduced the applicable penalties to $1.1 million. After calculating the interest accrued on the current penalty, the Company estimates that the current overall liability for this case to be approximately $9.3 million. All such amounts include the effect of foreign currency translation. Due to multiple court precedents in the Company's favor the Company does not believe a loss is probable.

The Company continues to believe that sufficient coverage for these claims exists as a result of the indemnification obligations of the Company's customer and such customer’s pledge of assets in connection with the October 2009 notice, as required by Brazilian law.

The Company intends to continue its practice of vigorously defending itself against these tax claims under various alternatives, including judicial appeal. The Company will continue to evaluate its potential liability with regard to these claims on a quarterly basis; however, it is not possible to predict the ultimate outcome of these tax-related disputes in Brazil. No loss provision has been recorded in the Company's condensed consolidated financial statements for the disputes described above because the loss contingency is not deemed probable, and the Company does not expect that any costs that are reasonably possible to be incurred by the Company in connection with Brazilian tax disputes would have a material adverse effect on the Company's financial condition, results of operations or cash flows.

Brazilian Labor Disputes

The Company is subject to ongoing collective bargaining and individual labor claims in Brazil through the Harsco Environmental Segment which allege, among other things, the Company's failure to pay required amounts for overtime and vacation at certain sites. The Company is vigorously defending itself against these claims; however, litigation is inherently unpredictable, particularly in foreign jurisdictions. While the Company does not currently expect that the ultimate resolution of these claims will have a material adverse effect on the Company’s financial condition, results of operations or cash flows, it is not possible to predict the ultimate outcome of these labor-related disputes. As of June 30, 2020 and December 31, 2019 the Company has established reserves of $4.6 million and $6.5 million, respectively, on the Company's Condensed Consolidated Balance Sheets for amounts considered to be probable and estimable.

Customer Disputes

The Company may, in the normal course of business, become involved in commercial disputes with subcontractors or customers. Although results of operations and cash flows for a given period could be adversely affected by a negative outcome in these or other lawsuits, claims or proceedings, management believes that the ultimate outcome of any ongoing matters will not have a material adverse effect on the Company's financial condition, results of operations or cash flows.

Other

The Company is named as one of many defendants (approximately 90 or more in most cases) in legal actions in the U.S. alleging personal injury from exposure to airborne asbestos over the past several decades.  In their suits, the plaintiffs have named as defendants, among others, many manufacturers, distributors and installers of numerous types of equipment or products that allegedly contained asbestos.

The Company believes that the claims against it are without merit. The Company has never been a producer, manufacturer or processor of asbestos fibers. Any asbestos-containing part of a Company product used in the past was purchased from a supplier and the asbestos encapsulated in other materials such that airborne exposure, if it occurred, was not harmful and is not associated with the types of injuries alleged in the pending actions.

At June 30, 2020 there were approximately 17,140 pending asbestos personal injury actions filed against the Company.  Of those actions, approximately 16,585 were filed in the New York Supreme Court (New York County), approximately 117 were filed in other New York State Supreme Court Counties and approximately 438 were filed in courts located in other states.

The complaints in most of those actions generally follow a form that contains a standard damages demand of $20 million or $25 million, regardless of the individual plaintiff’s alleged medical condition, and without identifying any specific Company product.

24

At June 30, 2020 approximately 16,550 of the actions filed in New York Supreme Court (New York County) were on the Deferred/Inactive Docket created by the court in December 2002 for all pending and future asbestos actions filed by persons who cannot demonstrate that they have a malignant condition or discernible physical impairment. The remaining approximately 35 cases in New York County are pending on the Active or In Extremis Docket created for plaintiffs who can demonstrate a malignant condition or physical impairment.

The Company has liability insurance coverage under various primary and excess policies that the Company believes will be available, if necessary, to substantially cover any liability that might ultimately be incurred in the asbestos actions referred to above. The costs and expenses of the asbestos actions are being paid by the Company's insurers.

In view of the persistence of asbestos litigation in the U.S., the Company expects to continue to receive additional claims in the future. The Company intends to continue its practice of vigorously defending these claims and cases. At June 30, 2020 the Company has obtained dismissal in approximately 28,253 cases by stipulation or summary judgment prior to trial.

It is not possible to predict the ultimate outcome of asbestos-related actions in the U.S. due to the unpredictable nature of this litigation, and no loss provision has been recorded in the Company's condensed consolidated financial statements because a loss contingency is not deemed probable or estimable. Despite this uncertainty, and although results of operations and cash flows for a given period could be adversely affected by asbestos-related actions, the Company does not expect that any costs that are reasonably possible to be incurred by the Company in connection with asbestos litigation would have a material adverse effect on the Company's financial condition, results of operations or cash flows.

The Company is subject to various other claims and legal proceedings covering a wide range of matters that arose in the ordinary course of business. In the opinion of management, all such matters are adequately covered by insurance or by established reserves, and, if not so covered, are without merit or are of such kind, or involve such amounts, as would not have a material adverse effect on the financial position, results of operations or cash flows of the Company.

Insurance liabilities are recorded when it is probable that a liability has been incurred for a particular event and the amount of loss associated with the event can be reasonably estimated. Insurance reserves have been estimated based primarily upon actuarial calculations and reflect the undiscounted estimated liabilities for ultimate losses, including claims incurred but not reported. Inherent in these estimates are assumptions that are based on the Company's history of claims and losses, a detailed analysis of existing claims with respect to potential value, and current legal and legislative trends. If actual claims differ from those projected by management, changes (either increases or decreases) to insurance reserves may be required and would be recorded through income in the period the change was determined. When a recognized liability is covered by third-party insurance, the Company records an insurance claim receivable to reflect the covered liability. Insurance claim receivables are included in Other receivables on the Company's Condensed Consolidated Balance Sheets. See Note 1, Summary of Significant Accounting Policies, to the consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019 for additional information on Accrued insurance and loss reserves.

13.  Reconciliation of Basic and Diluted Shares

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands, except per share amounts)	2020		2019		2020		2019
Income (loss) from continuing operations attributable to Harsco Corporation common stockholders	$	(10,750)	$	(2,852)	$	(19,532)	$	7,622
Weighted-average shares outstanding:
Weighted-average shares outstanding - basic	78,987		80,328		78,874		80,119
Dilutive effect of stock-based compensation	—		—		—		1,955
Weighted-average shares outstanding - diluted	78,987		80,328		78,874		82,074
Earnings (loss) from continuing operations per common share, attributable to Harsco Corporation common stockholders:
Basic	$	(0.14)	$	(0.04)	$	(0.25)	$	0.10
Diluted	$	(0.14)	$	(0.04)	$	(0.25)	$	0.09

25

The following average outstanding stock-based compensation units were not included in the computation of diluted earnings per share because the effect was antidilutive:

	Three Months Ended		Six Months Ended
	June 30		June 30
(In thousands)	2020	2019	2020	2019
Restricted stock units	739	443	744	—
Stock appreciation rights	2,472	1,919	2,558	389
Performance share units	896	685	918	116

14.   Derivative Instruments, Hedging Activities and Fair Value

Derivative Instruments and Hedging Activities

The Company uses derivative instruments, including foreign currency exchange forward contracts, interest rate swaps and CCIRs, to manage certain foreign currency and interest rate exposures.  Derivative instruments are viewed as risk management tools by the Company and are not used for trading or speculative purposes. All derivative instruments are recorded on the Company's Condensed Consolidated Balance Sheets at fair value.  The accounting for changes in the fair value of derivatives depends on the intended use of the derivative, whether the Company has elected to designate a derivative in a hedging relationship and apply hedge accounting and whether the hedging relationship has satisfied the criteria necessary to apply hedge accounting. Derivatives designated and qualifying as a hedge of the exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. Hedge accounting generally provides for the matching of the timing of gain or loss recognition on the hedging instrument with the recognition of the earnings effect of the hedged forecasted transactions in a cash flow hedge. The Company may enter into derivative contracts that are intended to economically hedge certain of its risk, even though hedge accounting does not apply or the Company elects not to apply hedge accounting.

The Company primarily applies the market approach for recurring fair value measurements and endeavors to utilize the best available information.  Accordingly, the Company utilizes valuation techniques that maximize the use of observable inputs, such as forward rates, interest rates, the Company’s credit risk and counterparties’ credit risks, and which minimize the use of unobservable inputs.  The Company is able to classify fair value balances based on the ability to observe those inputs.  Foreign currency exchange forward contracts, interest rate swaps and CCIRs are based upon pricing models using market-based inputs (Level 2).  Model inputs can be verified and valuation techniques do not involve significant management judgment.

The fair value of outstanding derivative contracts recorded as assets and liabilities on the Company's Condensed Consolidated Balance Sheets was as follows:

(In thousands)	Balance Sheet Location	Fair Value of Derivatives Designated as Hedging Instruments		Fair Value of Derivatives Not Designated as Hedging Instruments		Total Fair Value
June 30, 2020
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	3,406	$	4,732	$	8,138
Total		$	3,406	$	4,732	$	8,138
Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Other current liabilities	$	159	$	1,006	$	1,165
Interest rate swaps	Other current liabilities	3,673		—		3,673
Interest rate swaps	Other liabilities	5,336		—		5,336
Total		$	9,168	$	1,006	$	10,174
December 31, 2019
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	2,039	$	946	$	2,985
Total		$	2,039	$	946	$	2,985
Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Other current liabilities	$	140	$	3,733	$	3,873
Interest rate swaps	Other current liabilities	2,098		—		2,098
Interest rate swaps	Other liabilities	4,281		—		4,281
Total		$	6,519	$	3,733	$	10,252

26

All of the Company's derivatives are recorded on the Company's Condensed Consolidated Balance Sheets at gross amounts and not offset. All of the Company's interest rate swaps, CCIRs and certain foreign currency exchange forward contracts are transacted under ISDA documentation. Each ISDA master agreement permits the net settlement of amounts owed in the event of default. The Company's derivative assets and liabilities subject to enforceable master netting arrangements, if offset, would result in a $2.5 million net liability at June 30, 2020 and would not have resulted in a net asset or liability at

December 31, 2019.

The effect of derivative instruments on the Company's Condensed Consolidated Statements of Operations and Condensed Consolidated Statements of Comprehensive Income (Loss) was as follows:

Derivatives Designated as Hedging Instruments

	Amount Recognized in OCI on Derivatives				Location of Amount Reclassified from  AOCI into Income	Amount Reclassified from AOCI into Income - Effective Portion or Equity
	Three Months Ended					Three Months Ended
	June 30					June 30
(In thousands)	2020		2019			2020		2019
Foreign currency exchange forward contracts	$	41	$	669	Product revenues	$	(332)	$	(389)
Interest rate swaps	—		—		Income from discontinued businesses	—		2,741
Interest rate swaps	(162)		(4,327)		Interest expense	732		(271)
Cross-currency interest rate swaps (a)	5		54		Interest expense	295		303
	$	(116)	$	(3,604)		$	695	$	2,384

	Amount Recognized in OCI on Derivatives				Location of Amount Reclassified from AOCI into Income	Amount Reclassified from Accumulated OCI into Income - Effective Portion or Equity
	Six Months Ended					Six Months Ended
	June 30					June 30
(In thousands)	2020		2019			2020		2019
Foreign currency exchange forward contracts	$	2,078	$	(43)	Product revenues/Cost of services sold	$	(1,736)	$	(421)
Interest rate swaps	—		—		Income from discontinued businesses	—		2,741
Interest rate swaps	(3,740)		(7,636)		Interest expense	1,110		(572)
Cross-currency interest rate swaps (a)	63		2		Interest expense	600		617
	$	(1,599)	$	(7,677)		$	(26)	$	2,365

(a) Amounts represent changes in foreign currency translation related to balances in AOCI.

The location and amount of gain (loss) recognized on the Company's Condensed Consolidated Statements of Operations was as follows:

	Three Months Ended
	June 30
	2020				2019
(in thousands)	Product Revenues		Interest Expense		Product Revenues		Cost of Services Sold		Interest Expense		Income From Discontinued Businesses
Total amounts of line items presented in the Condensed Consolidated Statement of Operations in which the effects of cash flow hedges are recorded	$	101,703	$	(14,953)	$	112,895	$	186,840	$	(6,103)	$	9,936
Interest rate swaps:
Amount of gain or (loss) reclassified from AOCI into income	—		(732)		—		—		271		—
Amount of gain or (loss) reclassified from AOCI into income as a result that a forecasted transaction is no longer probable of occurring	—		—		—		—		—		(2,741)

27

	Three Months Ended
	June 30
	2020		2019
(in thousands)	Product Revenues	Interest Expense	Product Revenues	Cost of Services Sold	Interest Expense	Income From Discontinued Businesses
Foreign exchange contracts:
Amount of gain or reclassified from AOCI into income	332	—	433	(44)	—	—
Amount excluded from effectiveness testing recognized in earnings based on changes in fair value	13	—	238	—	—	—
Amount excluded from the effectiveness testing recognized in earnings based on an amortization approach	21	—	—	—	—	—
Cross-currency interest rate swaps:
Amount of loss reclassified from AOCI into income	—	(295)	—	—	(303)	—

	Six Months Ended
	June 30
	2020				2019
(in thousands)	Product Revenues		Interest Expense		Product Revenues		Cost of Services Sold		Interest Expense		Income From Discontinued Operations
Total amounts of income and expense line items presented in the statement of financial performance in which the effects of cash flow hedges are recorded	$	209,205	$	(27,602)	$	213,277	$	368,711	$	(11,610)	$	23,686
Interest rate swaps:
Amount of gain or (loss) reclassified from AOCI into income	—		(1,110)		—		—		572		—
Amount of gain or (loss) reclassified from AOCI into income as a result that a forecasted transaction is no longer probable of occurring	—		—		—		—		—		(2,741)
Foreign exchange contracts:
Amount of gain or (loss) reclassified from AOCI into income	1,736		—		465		(44)		—		—
Amount excluded from effectiveness testing recognized in earnings based on changes in fair value	196		—		316		—		—		—
Amount excluded from the effectiveness testing recognized in earnings based on an amortization approach	21		—		—		—		—		—
Cross-currency interest rate swaps:
Amount of gain or (loss) reclassified from AOCI into income	—		(600)		—		—		(617)		—

Derivatives Not Designated as Hedging Instruments

	Location of Gain Recognized in Income on Derivatives	Amount of Gain Recognized in Income on Derivatives (b)
		Three Months Ended				Six Months Ended
		June 30				June 30
(In thousands)		2020		2019		2020		2019
Foreign currency exchange forward contracts	Cost of services and products sold	$	1,736	$	2,770	$	7,278	$	5,094

(b)   These gains offset amounts recognized in cost of services and products sold principally as a result of intercompany or third party foreign currency   

exposures.

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Foreign Currency Exchange Forward Contracts

The Company conducts business in multiple currencies and, accordingly, is subject to the inherent risks associated with foreign exchange rate movements.  Foreign currency-denominated assets and liabilities are translated into U.S. dollars at the exchange rates existing at the respective balance sheet dates, and income and expense items are translated at the average exchange rates during the respective periods. 

The Company uses derivative instruments to hedge cash flows related to foreign currency fluctuations.  Foreign currency exchange forward contracts outstanding are part of a worldwide program to minimize foreign currency exchange operating income and balance sheet exposure by offsetting foreign currency exposures of certain future payments between the Company and various subsidiaries, suppliers or customers.  The unsecured contracts are with major financial institutions.  The Company may be exposed to credit loss in the event of non-performance by the contract counterparties.  The Company evaluates the creditworthiness of the counterparties and does not expect default by them.  Foreign currency exchange forward contracts are used to hedge commitments, such as foreign currency debt, firm purchase commitments and foreign currency cash flows for certain export sales transactions.

Changes in the fair value of derivatives used to hedge foreign currency denominated balance sheet items are reported directly in earnings, along with offsetting transaction gains and losses on the items being hedged.  Derivatives used to hedge forecasted cash flows associated with foreign currency commitments may be accounted for as cash flow hedges, as deemed appropriate, if the criteria for hedge accounting are met.  Gains and losses on derivatives designated as cash flow hedges are deferred in AOCI, a separate component of equity, and reclassified to earnings in a manner that matches the timing of the earnings impact of the hedged transactions.  The ineffective portion of all hedges, if any, is recognized currently in earnings.

At June 30, 2020 and December 31, 2019 the notional amounts of foreign currency exchange forward contracts were $453.0 million and $496.3 million, respectively. These contracts are primarily denominated in British pounds sterling and Euros and mature through October 2021.

In addition to foreign currency exchange forward contracts, the Company designates certain loans as hedges of net investments in international subsidiaries.  The Company recorded pre-tax net losses of $2.4 million and $12.1 million for the three and six months ended June 30, 2020, respectively and pre-tax net losses of $5.5 million and $0.7 million for the three and six months ended June 30, 2019, respectively, in AOCI.

Interest Rate Swaps

The Company uses interest rate swaps in conjunction with certain variable rate debt issuances in order to secure a fixed interest rate.  Changes in the fair value attributed to the effect of the swaps’ interest spread and changes in the credit worthiness of the counter-parties are recorded in AOCI. 

In January 2017 and February 2018 the Company entered into a series of interest rate swaps that cover the period from 2018 through 2022 and had the effect of converting $300.0 million of the Original Term Loan from floating-rate to fixed-rate.  The fixed rates provided by the swaps replace the adjusted LIBOR rate in the interest calculation, ranging from 2.45% for 2020 to 3.12% for 2022.

During June 2019 the Company effected the early termination of interest rate swaps that covered the period from 2019 through 2022 and had the effect of converting $100.0 million of the Original Term Loan from floating-rate to fixed-rate. This termination was conducted as a result of the Company's new Notes offering and required repayment of a portion of the Original Term Loan with proceeds from the AXC disposal. The total notional of the Company's interest rate swaps is $200.0 million as of June 30, 2020.

Cross-Currency Interest Rate Swaps

The Company may use CCIRs in conjunction with certain debt issuances in order to secure a fixed local currency interest rate. Under these CCIRs, the Company receives interest based on a fixed or floating U.S. dollar rate and pays interest on a fixed local currency rate based on the contractual amounts in dollars and the local currency, respectively. At maturity, there is also the payment of principal amounts between currencies. Changes in the fair value attributed to the effect of the swaps' interest spread and changes in the credit worthiness of the counter-parties are recorded in AOCI. Changes in value attributed to the effect of foreign currency fluctuations are recorded on the Company's Condensed Consolidated Statements of Operations and offset currency fluctuation effects on the debt principal. The Company had no outstanding CCIRs at June 30, 2020.

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Fair Value of Other Financial Instruments

The carrying amounts of cash and cash equivalents, accounts receivable, accounts payable, accrued liabilities and short-term borrowings approximate fair value due to the short-term maturities of these assets and liabilities.  At June 30, 2020 and December 31, 2019 the total fair value of long-term debt (excluding deferred financing costs), including current maturities, was $1,251.4 million and $827.2 million, respectively, compared with a carrying value of $1,262.4 million and $795.0 million, respectively.  The increase in both the fair value and carrying value of long-term debt is related to borrowings under the New Term Loan and the Revolving Credit Facility to fund the acquisition of ESOL. See Note 3, Acquisitions and Dispositions for additional details. Fair values for debt are based on pricing models using market-based inputs (Level 2) for similar issues or on the current rates offered to the Company for debt of the same remaining maturities. See Note 4, Accounts Receivable and Note Receivable for fair value information related to the Company's Note Receivable obtained as part of the sale of the IKG business.

15. Review of Operations by Segment 

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands)	2020		2019		2020		2019
Revenues From Continuing Operations (a)
Harsco Environmental	$	203,991	$	269,338	$	445,550	$	530,650
Harsco Clean Earth	161,579		—		240,391		—
Harsco Rail	81,711		81,560		160,181		150,150
Total Revenues From Continuing Operations	$	447,281	$	350,898	$	846,122	$	680,800
Operating Income (Loss) From Continuing Operations (a)
Harsco Environmental	$	13,563	$	27,577	$	24,083	$	52,074
Harsco Clean Earth	(202)		—		4,043		—
Harsco Rail	8,631		9,443		15,103		14,832
Corporate	(20,124)		(19,221)		(38,480)		(29,283)
Total Operating Income From Continuing Operations	$	1,868	$	17,799	$	4,749	$	37,623
Depreciation (a)
Harsco Environmental	$	24,663	$	26,680	$	50,038	$	53,517
Harsco Clean Earth	5,138		—		7,759		—
Harsco Rail	1,257		1,125		2,472		2,222
Corporate	521		718		1,034		1,378
Total Depreciation	$	31,579	$	28,523	$	61,303	$	57,117
Amortization (a)
Harsco Environmental	$	1,921	$	1,817	$	3,857	$	3,685
Harsco Clean Earth	6,347		—		10,245		—
Harsco Rail	83		84		167		154
Corporate (b)	764		699		1,403		1,391
Total Amortization	$	9,115	$	2,600	$	15,672	$	5,230
Capital Expenditures (a)
Harsco Environmental	$	18,654	$	45,095	$	43,402	$	74,258
Harsco Clean Earth	3,045		—		4,487		—
Harsco Rail	1,297		6,365		2,836		10,281
Corporate	324		287		382		1,440
Total Capital Expenditures	$	23,320	$	51,747	$	51,107	$	85,979

(a)  The Company's acquisition of ESOL closed on April 6, 2020 and the Company's acquisition of Clean Earth closed on June 28, 2019. The operating results of the former Harsco Industrial Segment has been reflected as discontinued operations in the Company's Condensed Consolidated Statement of Operations for all periods presented. See Note 3, Acquisitions and Dispositions, for additional details.

(b)  Amortization expense on Corporate relates to the amortization of deferred financing costs.

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Reconciliation of Segment Operating Income to Income (Loss) From Continuing Operations Before Income Taxes and Equity Income

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands)	2020		2019		2020		2019
Segment operating income	$	21,992	$	37,020	$	43,229	$	66,906
General Corporate expense	(20,124)		(19,221)		(38,480)		(29,283)
Operating income from continuing operations	1,868		17,799		4,749		37,623
Interest income	816		591		1,009		1,124
Interest expense	(14,953)		(6,103)		(27,602)		(11,610)
Unused debt commitment and amendment fees	(1,432)		(7,435)		(1,920)		(7,435)
Defined benefit pension income (expense)	1,723		(1,472)		3,312		(2,810)
Income (loss) from continuing operations before income taxes and equity income	$	(11,978)	$	3,380	$	(20,452)	$	16,892

16. Revenue Recognition

The Company recognizes revenues to depict the transfer of promised services and products to customers in an amount that reflects the consideration the Company expects to receive in exchange for those services or products. Service revenues include the Harsco Clean Earth Segment and the service components of the Harsco Environmental and Harsco Rail Segments. Product revenues include portions of the Harsco Environmental and Harsco Rail Segments.

A summary of the Company's revenues by primary geographical markets as well as by key product and service groups is as follows:

	Three Months Ended
	June 30, 2020
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	57,356	$	161,579	$	56,461	$	275,396
Western Europe	82,972		—		16,855		99,827
Latin America (c)	25,108		—		515		25,623
Asia-Pacific	19,894		—		7,880		27,774
Middle East and Africa	14,793		—		—		14,793
Eastern Europe	3,868		—		—		3,868
Total Revenues	$	203,991	$	161,579	$	81,711	$	447,281
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	174,173	$	—	$	—	$	174,173
Applied products	26,591		—		—		26,591
Environmental systems for aluminum dross and scrap processing	3,227		—		—		3,227
Railway track maintenance equipment	—		—		40,411		40,411
After-market parts and services; safety and diagnostic technology	—		—		32,500		32,500
Railway contracting services	—		—		8,800		8,800
Waste processing, recycling, reuse and transportation solutions	—		161,579		—		161,579
Total Revenues	$	203,991	$	161,579	$	81,711	$	447,281

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	Three Months Ended
	June 30, 2019
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	78,112	$	—	$	65,278	$	143,390
Western Europe	98,478		—		10,538		109,016
Latin America (c)	36,272		—		773		37,045
Asia-Pacific	35,779		—		4,971		40,750
Middle East and Africa	15,742		—		—		15,742
Eastern Europe	4,955		—		—		4,955
Total Revenues	$	269,338	$	—	$	81,560	$	350,898
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	230,395	$	—	$	—	$	230,395
Applied products	33,686		—		—		33,686
Environmental systems for aluminum dross and scrap processing	5,257		—		—		5,257
Railway track maintenance equipment	—		—		38,960		38,960
After-market parts and services; safety and diagnostic technology	—		—		36,700		36,700
Railway contracting services	—		—		5,900		5,900
Waste processing, recycling, reuse and transportation solutions	—		—		—		—
Total Revenues	$	269,338	$	—	$	81,560	$	350,898

	Six Months Ended
	June 30, 2020
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	127,237	$	240,391	$	110,234	$	477,862
Western Europe	179,289		—		35,019		214,308
Latin America (c)	58,368		—		1,180		59,548
Asia-Pacific	41,890		—		13,748		55,638
Middle East and Africa	30,682		—		—		30,682
Eastern Europe	8,084		—		—		8,084
Total Revenues	$	445,550	$	240,391	$	160,181	$	846,122
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	381,519	$	—	$	—	$	381,519
Applied products	56,853		—		—		56,853
Environmental systems for aluminum dross and scrap processing	7,178		—		—		7,178
Railway track maintenance equipment	—		—		83,026		83,026
After-market parts and services; safety and diagnostic technology	—		—		63,700		63,700
Railway contracting services	—		—		13,455		13,455
Waste processing, recycling, reuse and transportation solutions	—		240,391		—		240,391
Total Revenues	$	445,550	$	240,391	$	160,181	$	846,122

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	Six Months Ended
	June 30, 2019
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	151,461	$	—	$	115,643	$	267,104
Western Europe	196,699		—		20,551		217,250
Latin America (c)	73,263		—		1,364		74,627
Asia-Pacific	69,917		—		12,592		82,509
Middle East and Africa	29,657		—		—		29,657
Eastern Europe	9,653		—		—		9,653
Total Revenues	$	530,650	$	—	$	150,150	$	680,800
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	454,456	$	—	$	—	$	454,456
Applied products	64,076		—		—		64,076
Environmental systems for aluminum dross and scrap processing	12,118		—		—		12,118
Railway track maintenance equipment	—		—		72,568		72,568
After-market parts and services; safety and diagnostic technology	—		—		68,001		68,001
Railway contracting services	—		—		9,581		9,581
Waste processing, recycling, reuse and transportation solutions	—		—		—		—
Total Revenues	$	530,650	$	—	$	150,150	$	680,800

(a) The Company's acquisition of ESOL closed on April 6, 2020 and the Company's acquisition of Clean Earth closed on June 28, 2019. The results of both are included in the Harsco Clean Earth Segment. The operating results of the former Harsco Industrial Segment have been reflected as discontinued operations in the Company's Condensed Consolidated Statement of Operations for all periods presented. See Note 3, Acquisitions and Dispositions, for additional details.

(b)  Revenues are attributed to individual countries based on the location of the facility generating the revenue.

(c)  Includes Mexico.

The Company may receive payments in advance of earning revenue, which are treated as Advances on contracts on the Company's Condensed Consolidated Balance Sheets. The Company may recognize revenue in advance of being able to contractually invoice the customer, which is treated as Contract assets on the Company's Condensed Consolidated Balance Sheets. Contract assets are transferred to Trade accounts receivable, net when right to payment becomes unconditional. Contract assets and Contract liabilities are reported as a net position, on a contract-by-contract basis, at the end of each reporting period. These instances are primarily related to the Harsco Rail Segment.

The Company had Contract assets totaling $59.0 million and $31.2 million at June 30, 2020 and December 31, 2019, respectively. The increase is due principally to recognition of additional contract assets in excess of contract assets transferred to accounts receivable during the six months ended June 30, 2020 primarily in the Harsco Rail Segment. The Company had Advances on contracts totaling $98.5 million and $60.3 million at June 30, 2020 and December 31, 2019, respectively. The increase is due principally to the receipt of new advances on contracts in excess of recognition of revenue primarily for the Deutsche Bahn contract in the Harsco Rail Segment. During the three and six months ended June 30, 2020 the Company recognized approximately $16 million and $34 million, respectively, of revenue related to amounts previously included in Advances on contracts. During the three and six months ended June 30, 2019 the Company recognized approximately $19 million and $37 million, respectively, of revenue related to amounts previously included in Advances on contracts.

At June 30, 2020 the Harsco Environmental Segment had remaining, fixed, unsatisfied performance obligations where the expected contract duration exceeds one year totaling $98.7 million. Of this amount, $33.0 million is expected to be fulfilled by June 30, 2021, $19.6 million by June 30, 2022, $16.3 million by June 30, 2023, $12.8 million by June 30, 2024 and the remainder thereafter. These amounts exclude any variable fees, fixed fees subject to indexation and any performance obligations expected to be satisfied within one year. The decrease from December 31, 2019 is primarily due to the renegotiation of a contract with a customer in the U.K. who had entered into administration.

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At June 30, 2020 the Harsco Rail Segment had remaining, fixed, unsatisfied performance obligations where the expected contract duration exceeds one year totaling $360.7 million. Of this amount, $126.0 million is expected to be fulfilled by

June 30, 2021, $121.8 million by June 30, 2022, $55.2 million by June 30, 2023, $46.5 million by June 30, 2024 and the remainder thereafter. These amounts exclude any variable fees, fixed fees subject to indexation and any performance obligations expected to be satisfied within one year. The increase from December 31, 2019 is primarily attributable to new contract signings in U.S., India and Germany.

17.   Other (Income) Expenses, Net

The major components of this Condensed Consolidated Statements of Operations caption are as follows:

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands)	2020		2019		2020		2019
Employee termination benefit costs	$	441	$	997	$	5,896	$	3,516
Other costs to exit activities	289		1,192		465		2,347
Impaired asset write-downs	4		—		73		214
Contingent consideration adjustments	—		(3,880)		—		(3,511)
Net gains	(229)		—		(248)		(2,271)
Other	(797)		(26)		(745)		(269)
Other expenses, net	$	(292)	$	(1,717)	$	5,441	$	26

18. Components of Accumulated Other Comprehensive Loss

AOCI is included on the Company's Condensed Consolidated Statements of Equity. The components of AOCI, net of the effect of income taxes, and activity for the six months ended June 30, 2019 and 2020 was as follows:

	Components of AOCI - Net of Tax
(In thousands)	Cumulative Foreign Exchange Translation Adjustments			Effective Portion of Derivatives Designated as Hedging Instruments			Cumulative Unrecognized Actuarial Losses on Pension Obligations			Unrealized Gain (Loss) on Marketable Securities		Total
Balance at December 31, 2018	$	(159,810)		$	1,389		$	(408,655)		$	(31)	$	(567,107)
Adoption of new accounting standard	—			—			(21,429)		(a)	—		(21,429)
Other comprehensive income (loss) before reclassifications	2,775		(b)	(5,893)		(c)	2,192		(b)	25		(901)
Amounts reclassified from AOCI, net of tax	(2,271)			1,722			9,579			—		9,030
Total other comprehensive income (loss)	504			(4,171)			11,771			25		8,129
Other comprehensive income attributable to noncontrolling interests	178			—			—			—		178
Other comprehensive income (loss) attributable to Harsco Corporation	682			(4,171)			11,771			25		8,307
Balance at June 30, 2019	$	(159,128)		$	(2,782)		$	(418,313)		$	(6)	$	(580,229)

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	Components of AOCI - Net of Tax
(In thousands)	Cumulative Foreign Exchange Translation Adjustments			Effective Portion of Derivatives Designated as Hedging Instruments			Cumulative Unrecognized Actuarial Losses on Pension Obligations			Unrealized Gain (Loss) on Marketable Securities		Total
Balance at December 31, 2019	$	(143,340)		$	(3,717)		$	(440,562)		$	(3)	$	(587,622)
Other comprehensive income (loss) before reclassifications	(65,677)		(b)	(1,146)		(c)	23,810		(b)	(31)		(43,044)
Amounts reclassified from AOCI, net of tax	12,906			(213)			13,380			—		26,073
Total other comprehensive income (loss)	(52,771)			(1,359)			37,190			(31)		(16,971)
Other comprehensive income attributable to noncontrolling interests	975			—			—			—		975
Other comprehensive income (loss) attributable to Harsco Corporation	(51,796)			(1,359)			37,190			(31)		(15,996)
Balance at June 30, 2020	$	(195,136)		$	(5,076)		$	(403,372)		$	(34)	$	(603,618)

(a)  Represents the adoption of the new accounting standard on January 1, 2019 related to stranded tax effects from the Tax Cuts and Jobs Act.

(b) Principally foreign currency fluctuation.

(c)  Net change from periodic revaluations.

Amounts reclassified from AOCI are as follows:

(In thousands)	Three Months Ended				Six Months Ended				Affected Caption on the Company's Condensed Consolidated Statements of Operations
	June 30 2020		June 30 2019		June 30 2020		June 30 2019
Recognition of cumulative foreign currency translation adjustments:
Gain on substantial liquidation of subsidiaries (d)	$	—	$	—	$	—	$	(2,271)	Other expenses, net
Loss on substantial liquidation of subsidiaries (d)	—		—		12,906		—		Gain on sale of discontinued business
Amortization of cash flow hedging instruments:
Foreign currency exchange forward contracts	$	(332)	$	(433)	$	(1,736)	$	(465)	Product revenues
Foreign currency exchange forward contracts	—		44		—		44		Cost of services sold
Cross-currency interest rate swaps	295		303		600		617		Interest expense
Interest rate swaps	732		(271)		1,110		(572)		Interest expense
Interest rate swaps	—		2,741		—		2,741		Income from discontinued businesses
Total before tax	695		2,384		(26)		2,365
Income taxes	(263)		(599)		(187)		(643)
Total reclassification of cash flow hedging instruments, net of tax	$	432	$	1,785	$	(213)	$	1,722
Amortization of defined benefit pension items (e):
Recognized losses	$	4,757	$	4,982	$	9,837	$	10,040	Defined benefit pension income (expense)
Recognized prior-service costs	106		65		213		131		Defined benefit pension income (expense)
Settlement/curtailment losses	—		129		—		129		Defined benefit pension income (expense)
Pension liability transfer - discontinued business	—		—		5,363		—		Gain on sale of discontinued business
Total before tax	4,863		5,176		15,413		10,300
Income taxes	(323)		(379)		(2,033)		(721)
Total reclassification of defined benefit pension items, net of tax	$	4,540	$	4,797	$	13,380	$	9,579

(d) No tax impact.

(e) These AOCI components are included in the computation of net periodic pension costs. See Note 10, Employee Benefit Plans, for additional details.

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ITEM 2.                 MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion should be read in conjunction with the accompanying unaudited condensed consolidated financial statements as well as the audited consolidated financial statements of the Company, including the notes thereto, included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019 which includes additional information about the Company’s critical accounting policies, contractual obligations, practices and the transactions that support the financial results, and provides a more comprehensive summary of the Company’s outlook, trends and strategies for 2020 and beyond.

Certain amounts included in Item 2 of this Quarterly Report on Form 10-Q are rounded in millions and all percentages are calculated based on actual amounts.  As a result, minor differences may exist due to rounding.

Forward-Looking Statements

The nature of the Company's business, together with the number of countries in which it operates, subject it to changing economic, competitive, regulatory and technological conditions, risks and uncertainties. In accordance with the "safe harbor" provisions of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934, the Company provides the following cautionary remarks regarding important factors that, among others, could cause future results to differ materially from the results contemplated by forward-looking statements, including the expectations and assumptions expressed or implied herein. Forward-looking statements contained herein could include, among other things, statements about management's confidence in and strategies for performance; expectations for new and existing products, technologies and opportunities; and expectations regarding growth, sales, cash flows, and earnings. Forward-looking statements can be identified by the use of such terms as "may," "could," "expect," "anticipate," "intend," "believe," "likely," "estimate," "plan" or other comparable terms.

Factors that could cause actual results to differ, perhaps materially, from those implied by forward-looking statements include, but are not limited to: (1) changes in the worldwide business environment in which the Company operates, including changes in general economic conditions or changes due to COVID-19 and governmental and market reactions to COVID-19; (2) changes in currency exchange rates, interest rates, commodity and fuel costs and capital costs; (3) changes in the performance of equity and bond markets that could affect, among other things, the valuation of the assets in the Company's pension plans and the accounting for pension assets, liabilities and expenses; (4) changes in governmental laws and regulations, including environmental, occupational health and safety, tax and import tariff standards and amounts; (5) market and competitive changes, including pricing pressures, market demand and acceptance for new products, services and technologies; (6) the Company's inability or failure to protect its intellectual property rights from infringement in one or more of the many countries in which the Company operates; (7) failure to effectively prevent, detect or recover from breaches in the Company's cybersecurity infrastructure; (8) unforeseen business disruptions in one or more of the many countries in which the Company operates due to political instability, civil disobedience, armed hostilities, public health issues or other calamities; (9) disruptions associated with labor disputes and increased operating costs associated with union organization; (10) the seasonal nature of the Company's business; (11) the Company's ability to successfully enter into new contracts and complete new acquisitions or strategic ventures in the time-frame contemplated, or at all; (12) the integration of the Company's strategic acquisitions; (13) potential severe volatility in the capital markets; (14) failure to retain key management and employees; (15) the amount and timing of repurchases of the Company's common stock, if any; (16) the outcome of any disputes with customers, contractors and subcontractors; (17) the financial condition of the Company's customers, including the ability of customers (especially those that may be highly leveraged, have inadequate liquidity or whose business is significantly impacted by COVID-19) to maintain their credit availability; (18) implementation of environmental remediation matters; (19) risk and uncertainty associated with intangible assets and (20) other risk factors listed from time to time in the Company's SEC reports. A further discussion of these, along with other potential risk factors, can be found in Part I, Item 1A, "Risk Factors," of the Company's Annual Report on Form 10-K for the year ended December 31, 2019, and Part II, Item 1A, Risk Factors herein. The Company cautions that these factors may not be exhaustive and that many of these factors are beyond the Company's ability to control or predict. Accordingly, forward-looking statements should not be relied upon as a prediction of actual results. The Company undertakes no duty to update forward-looking statements except as may be required by law.

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Executive Overview

The Company is a market-leading, global provider of environmental solutions for industrial, retail and medical waste streams, and innovative equipment and technology for the rail sector. The Company's operations consist of three reportable segments: Harsco Environmental, Harsco Clean Earth and Harsco Rail; and the Company is working towards transforming Harsco into a single-thesis environmental solutions company that is a global leader in the markets we serve. The Harsco Environmental Segment operates primarily under long-term contracts, providing critical environmental services and material processing to the global steel and metals industries including zero waste solutions for manufacturing byproducts within the metals industry. The Harsco Clean Earth Segment provides waste management services including transportation, specialty waste processing, recycling and beneficial reuse solutions for hazardous wastes, contaminated materials and dredged volumes. The Harsco Rail Segment is a provider of highly engineered maintenance equipment, after-market parts and safety and diagnostic systems which support railroad and transit customers worldwide. The Company has locations in approximately 30 countries, including the U.S. The Company was incorporated in 1956.

In April 2020 the Company completed the previously announced acquisition of ESOL, from Stericycle, Inc., for $438.8 million in cash, subject to post-closing adjustments. ESOL is an established waste transportation, processing and services provider with a comprehensive portfolio of disposal solutions for customers primarily across the industrial, retail and healthcare markets. ESOL's network includes thirteen permitted TSDF facilities and forty-eight 10-day transfer facilities serving more than ninety-thousand customer locations utilizing a fleet of more than seven-hundred vehicles. The acquisition of ESOL furthers Harsco’s transformation into a global, market-leading, single-thesis environmental solutions platform. The results of ESOL are reflected as part of the Harsco Clean Earth Segment.

In March 2020 the Company raised $280 million pursuant to the New Term Loan as a new tranche under its existing Senior Secured Credit Facilities. The New Term Loan was fully drawn on April 6, 2020 to partially fund the ESOL acquisition. Borrowings under the New Term Loan bear interest at a rate per annum ranging from 150 to 225 basis points over adjusted LIBOR (as defined in the Credit Agreement). The New Term Loan will mature on June 28, 2024. The Company capitalized $1.9 million of fees related to the issuance of the New Term Loan, principally all of which have been paid as of June 30, 2020.

In both March 2020 and June 2020, the Company amended the Senior Secured Credit Facilities to increase the net debt to consolidated adjusted EBITDA ratio covenant. As a result of these amendments, the net debt to consolidated adjusted EBITDA ratio covenant has been increased to 5.25 for June 30, 2020, 5.75 through March 2021 and then decreasing quarterly until reaching 4.75 in December 2021. There is no change to the previously agreed interest rates as long as the Company's total leverage ratio does not equal or exceed 4.50 at which time it would increase by 25 basis points. During the three and six months ended June 30, 2020, the Company recognized $1.4 million and $1.9 million, respectively, of fees and expenses related to the amended Senior Secured Credit Facilities in the caption Unused debt commitment and amendment fees on the Condensed Consolidated Statement of Operations.

In January 2020 the Company sold IKG for $85 million, including a note receivable with a face value of $40.0 million (initial fair value $34.3 million) and recognized a gain on sale of $18.4 million pre-tax (or approximately $9 million after-tax). This disposal, along with the disposals of AXC and PK in 2019, represent a strategic shift and accelerate the transformation of the Company's portfolio of businesses into a global, market-leading, single-thesis environmental solutions platform.

Beginning in March 2020 overall global economic conditions were significantly impacted by COVID-19. The continuing impact of COVID-19 on the Company varies by end market as well as local conditions (including applicable government mandates). The ultimate duration and impact of COVID-19 on the Company and its customers' operations is presently unclear, though the Company expects impacts to continue for at least the remainder for 2020. The Company continues to operate as a provider of certain essential services in the U.S. and most other countries. In addition, the Company continues to take significant and proactive actions to protect all stakeholders and to minimize the operational and financial impacts of COVID-19 where possible. Work safety and flexibility measures have been implemented as the Company strives to keep facilities operational. In addition, the Company is also focused on actions to adjust its cost structure, reduce capital and operating expenditures, and to preserve its financial flexibility and liquidity position. Please refer to the below discussion of business outlook and Part II, Item 1A, "Risk Factors" for additional information related to the potential impacts of COVID-19 on the Company.

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Highlights from the second quarter and six months ended June 30, 2020 include (refer to the discussion of segment and consolidated results included within Results of Operations below, as well as Liquidity and Capital Resources, for additional information pertaining to the key drivers impacting these highlights):

•Revenues for the second quarter and six months ended June 30, 2020 increased approximately 27% and 24%, respectively, compared with the second quarter and six months ended June 30, 2019. The primary drivers for these increases were the acquisitions of Clean Earth and ESOL as well as increased revenue related to maintenance-of-way equipment sales in the Harsco Rail Segment, partially offset by lower customer production in the Harsco Environmental Segment, inclusive of the impacts from COVID-19, and the impact of foreign currency translation.

•Operating income from continuing operations for the second quarter and six months ended June 30, 2020 decreased approximately 90% and 87%, respectively, compared with the second quarter and six months ended June 30, 2019. The primary drivers for these decreases were decreased customer production levels in the Harsco Environmental Segment, inclusive of the impacts of COVID-19, incremental acquisition and integration costs primarily related to the ESOL acquisition, the timing and mix of sales in the Harsco Rail Segment and severance costs, primarily incurred during the first quarter of 2020, of approximately $6 million in the Harsco Environmental Segment. These decreases were partially offset by the inclusion of operating results for both Clean Earth and ESOL as well as lower selling, general and administrative expenses in Harsco Environmental and Harsco Rail Segments as well as Corporate (exclusive of the aforementioned incremental acquisition and integration costs).

•Diluted loss per common share from continuing operations attributable to Harsco Corporation for the second quarter ended June 30, 2020 was $0.14, an increase compared with the Diluted loss per common share from continuing operations of $0.04 during second quarter ended June 30, 2019. Diluted loss per common share from continuing operations attributable to Harsco Corporation for the six months ended June 30, 2020 was $0.25 compared with the Diluted earnings per common share from continuing operations of $0.09 during six months ended June 30, 2019. In addition to the factors noted above for revenue and operating income from continuing operations, the primary driver of this decrease was increased interest expense partially offset by a decrease in debt-related transaction expenses and the effect of income taxes.

•Cash flows from operating activities for the six months ended June 30, 2020 were $21.5 million, an increase of $16.1 million compared with the Cash flows from operating activities for the six months ended June 30, 2019. The primary driver for this increase were changes in net working capital, primarily additional customer advances in the Harsco Rail Segment and favorable timing of accounts receivable collections, partially offset by lower net income (excluding the impacts of the IKG sale), including the incremental acquisition and integration costs principally related to the ESOL acquisition. This increase also reflects the Company's deferral of certain payroll tax payments and pension contributions, as allowed by various legislation.

•Capital expenditures for purchases of property, plant and equipment for the six months ended June 30, 2020 were $51.2 million, a decrease of $40.0 million or 43.8% compared with the first six months of 2010. The decrease was the result of the Company's goal of maintaining financial flexibility and cash flow during COVID-19.

Looking forward, the Company expects a positive long-term outlook across all businesses, however results will be negatively impacted by COVID-19 for at least the remainder of 2020. The Company’s view for the remainder of 2020 and beyond is supported by the below factors, which should be considered in the context of other risks, trends and strategies in the Company's Annual Report on Form 10-K for the year ended December 31, 2019 together with those described in Part II, Item 1A, "Risk Factors":

•As a result of the continuing and evolving impact of COVID-19 on the global economy, the Company anticipates slow-downs in customer demand and business disruption to continue for the foreseeable future. The ultimate extent and duration of such impacts on the Company's businesses is not presently known, though the Company expects impacts to continue for at least the remainder of 2020. The Company is continuing to work diligently and safely to provide customers with services and products.

•The Harsco Environmental Segment continues to operate in most countries throughout the world in which it has a presence to support critical metal production, although the Company has been impacted by an overall decline in global steel production. Several customer mill locations where production was temporary idled during March and April 2020, as a result of COVID-19, have restarted though overall production remains below normalized levels and will remain so until underlying demand recovers. Estimated customer mill utilization decreased by 22% and 14% for the second quarter and six months ended June 30, 2020, respectively, compared with the same periods in the prior year. Over the longer-term the Company expects that the Harsco Environmental Segment's return to growth will be driven by investments, innovation and economic growth that supports higher customer steel production.

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•The Harsco Clean Earth Segment locations are currently operating as an essential services provider throughout the U.S., enabling the business to continue to perform critical environmental services. However, in the near term it is likely that recent decreases in construction and industrial related activity, resulting from COVID-19, will impact the contaminated materials and hazardous waste lines of business. Contaminated soil volumes are down approximately 10% during the six months ended June 30, 2020 when compared to the same period in prior year. The immediate impact of COVID-19 on the hazardous waste line of business, including the recently completed ESOL acquisition, will vary by end market with certain end-markets such as medical waste and retail, being somewhat more resilient though the Company may experience lower volumes in the near term. In addition, the dredged materials line of business is expected to be less impacted by COVID-19 and has seen an increase in volumes for the first six months of 2020 when compared to the same period in prior year. Over the longer-term the Company expects growth opportunities, including the recently completed ESOL transaction, positive market trends, operational synergy opportunities and the less cyclical and recurring nature of this business to provide favorable returns on the Company's recent investments.

•The Harsco Rail Segment continues to fulfill orders critical to global transportation and is on track to increase capacity during the remainder of 2020 through the implementation of its Supply Chain Operation Recovery program allowing the business to deliver on its backlog. In the near term, the Harsco Rail Segment has begun to be impacted by a decrease in certain short-cycle and equipment sales as a result of COVID-19, primarily in the U.S., which is likely to continue in the second half of 2020. Overall, the Harsco Rail Segment is supported by record backlog, which grew during the second quarter of 2020, and the longer-term outlook for this business remains strong.

•The Company has announced plans to lower 2020 capital expenditures by approximately $75 million from an originally expected range of $170 million to $180 million, exclusive of the ESOL acquisition, with the goal of preserving positive free cash flow (cash flows from operations; deduct capital expenditures; add back proceeds from asset sales; add back transaction-related expenditures) for the year.

•The Company anticipates corporate cost reductions during 2020 to partially offset the impact of COVID-19. Additionally, the Company has developed a tiered approach to potential supplemental cost mitigation efforts should the impacts of COVID-19 on the Company's businesses become more severe or prolonged in nature.

•Interest expense for 2020 is expected to increase due to higher average debt balances during 2020 and the impact of a higher weighted-average interest rate resulting from the issuance of the 5.75% Notes in 2019 and the New Term Loan.

•Net periodic pension cost will decrease by approximately $12 million during 2020 which will primarily be reflected in the caption Defined benefit pension (income) expense on the Condensed Consolidated Statement of Operations. The decrease is primarily the result of higher plan asset values at December 31, 2019.

Results of Operations

Segment Results

	Three Months Ended						Six Months Ended
	June 30						Jun 30
(In millions, except percentages)	2020			2019			2020			2019
Revenues:
Harsco Environmental	$	204.0		$	269.3		$	445.6		$	530.7
Harsco Clean Earth	161.6			—			240.4			—
Harsco Rail	81.7			81.6			160.2			150.2
Total Revenues	$	447.3		$	350.9		$	846.1		$	680.8
Operating Income (Loss):
Harsco Environmental	$	13.6		$	27.6		$	24.1		$	52.1
Harsco Clean Earth	(0.2)			—			4.0			—
Harsco Rail	8.6			9.4			15.1			14.8
Corporate	(20.1)			(19.2)			(38.5)			(29.3)
Total Operating Income:	$	1.9		$	17.8		$	4.7		$	37.6
Operating Margins:
Harsco Environmental	6.6		%	10.2		%	5.4		%	9.8		%
Harsco Clean Earth	(0.1)			—			1.7			—
Harsco Rail	10.6			11.6		%	9.4			9.9		%
Consolidated Operating Margin	0.4		%	5.1		%	0.6		%	5.5		%

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Harsco Environmental Segment:

	June 30, 2020
Significant Effects on Revenues (In millions)	Three Months Ended		Six Months Ended
Revenues — 2019	$	269.3	$	530.7
Net effects of price/volume changes, primarily attributable to volume changes	(45.6)		(48.0)
Impact of foreign currency translation	(12.9)		(23.5)
Net impact of new and lost contracts	(5.9)		(12.7)
Other	(0.9)		(0.9)
Revenues — 2020	$	204.0	$	445.6

Factors Positively Affecting Operating Income:

•Lower selling, general and administrative expenses, exclusive of provisions for doubtful accounts, improved operating income by $4.7 million and $7.5 million during the second quarter and six months ended June 30, 2020, respectively, compared to the same periods in the prior year.

•The Company recorded a provision for doubtful accounts of $5.4 million related to a U.K. customer that entered administration during the second quarter 2019 that did not repeat.

Factors Negatively Impacting Operating Income:

•Overall steel production by customers under environmental services contracts, including the impact of new and exited contracts, decreased 24% and 14% for the second quarter and six months ended June 30, 2020, respectively, compared with the same periods in the prior year. The decreased production was attributable to the global economic impact of COVID-19.

•Operating results for the second quarter ended June 30, 2020 were impacted by decreased demand for applied products and by-products. The decreased demand was attributable to the global economic impact of COVID-19.

•Operating results for the six months ended June 30, 2020 were also negatively impacted by $5.2 million of employee termination benefit costs incurred to improve operational efficiency and support near-term financial performance.

•Foreign currency translation decreased operating income by $1.8 million and $2.9 million during the second quarter and six months ended June 30, 2020, respectively, compared with the same periods in the prior year.

•Operating income for the six months ended June 30, 2020 was negatively impacted by a $2.3 million gain during the first quarter of 2019 related to the recognition of a foreign currency cumulative translation adjustment resulting from the substantial liquidation of a subsidiary that did not repeat.

•Incremental costs directly related to COVID-19 of $0.8 million for six months ended June 30, 2020 decreased operating income compared with the same periods in prior year.

•Operating results for the second quarter and the six months ended June 30, 2020 were negatively impacted by an approximate $4 million net positive contingent consideration adjustment related to the Altek acquisition which did not repeat.

Harsco Clean Earth Segment:

The Company acquired ESOL on April 6, 2020 and Clean Earth on June 28, 2019 and the operating results of both are reflected in the Harsco Clean Earth Segment, which is a separate reportable segment of the Company. Revenues and operating loss for second quarter of 2020 were $161.6 million and $0.2 million, respectively. Revenues and operating income for six months ended June 30, 2020 were $240.4 million and $4.0 million, respectively. Operating results for the second quarter and six months ended June 30, 2020 included $6.3 million and $10.2 million of intangible asset amortization expense, respectively.

Harsco Rail Segment:

	June 30, 2020
Significant Effects on Revenues (In millions)	Three Months Ended		Six Months Ended
Revenues — 2019	$	81.6	$	150.2
Net effect of price/volume changes, primarily attributable to volume changes	0.7		11.4
Impact of foreign currency translation	(0.6)		(1.4)
Revenues — 2020	$	81.7	$	160.2

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Factors Positively Affecting Operating Income:

•Increased railway contracting services, primarily related to the start of a new contract in the U.S., increased operating income during the second quarter and six months ended June 30, 2020 compared with the same periods in the prior year.

•Results for the second quarter and six months ended June 30, 2019 included $1.2 million and $3.8 million, respectively, of costs associated with the consolidation of U.S. manufacturing and distribution into one facility that did not repeat during the second quarter and six months ended of June 30, 2020.

•Lower selling, general and administrative expenses improved operating income by $2.3 million and $2.8 million during the second quarter and six months ended June 30, 2020, respectively, compared to the same periods in the prior year.

Factors Negatively Impacting Operating Income:

•The mix of maintenance-of-way equipment sales, as well as the timing and mix of after-market parts sales, decreased operating income during the second quarter and six months ended June 30, 2020 compared with the same periods in the prior year.

•Incremental costs directly related to COVID-19 of $0.3 million for both the second quarter and six months ended

June 30, 2020 decreased operating income compared with the same periods in prior year.

In addition to the factors highlighted above that positively affected or negatively impacted segment operating income, the Company's Corporate function was impacted by incremental acquisition and integration costs of approximately $5 million and $16 million during the three and six months ended June 30, 2020, primarily related to the acquisition of ESOL. These increased costs were partially offset by decreases in other selling, general and administrative costs including lower compensation expense and cost reduction actions due to COVID-19.

Consolidated Results

	June 30
	Three Months Ended						Six Months Ended
(In millions, except per share amounts)	2020			2019			2020			2019
Total revenues	$	447.3		$	350.9		$	846.1		$	680.8
Cost of services and products sold	364.1			266.2			680.6			517.4
Selling, general and administrative expenses	80.8			67.5			153.3			123.9
Research and development expenses	0.8			1.1			2.1			1.9
Other (income) expenses, net	(0.3)			(1.7)			5.4			—
Operating income from continuing operations	1.9			17.8			4.7			37.6
Interest income	0.8			0.6			1.0			1.1
Interest expense	(15.0)			(6.1)			(27.6)			(11.6)
Unused debt commitment and amendment fees	(1.4)			(7.4)			(1.9)			(7.4)
Defined benefit pension income (expense)	1.7			(1.5)			3.3			(2.8)
Income tax benefit (expense)	2.3			(4.0)			3.0			(5.2)
Equity income of unconsolidated entities, net	0.1			—			0.2			0.1
Income (loss) from continuing operations	(9.6)			(0.6)			(17.3)			11.7
Gain (loss) on sale of discontinued business	(0.1)			—			18.4			—
Income (loss) from discontinued businesses	0.5			9.9			0.3			23.7
Income tax expense related to discontinued operations	(0.3)			1.6			(9.6)			(2.0)
Income from discontinued operations	0.1			11.5			9.1			21.7
Net income (loss)	(9.5)			10.9			(8.2)			33.5
Total other comprehensive income (loss)	13.0			3.6			(17.0)			8.1
Total comprehensive income (loss)	3.6			14.5			(25.2)			41.6
Diluted earnings (loss) per common share from continuing operations attributable to Harsco Corporation common stockholders	(0.14)			(0.04)			(0.25)			0.09
Effective income tax rate for continuing operations	19.2		%	118.2		%	14.6		%	30.9		%

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Comparative Analysis of Consolidated Results

Revenues

Revenues for the second quarter of 2020 increased $96.4 million or 27.5% from the second quarter of 2019. Revenues for the first six months of 2020 increased $165.3 or 24.3% from the second quarter of 2019. Foreign currency translation decreased revenues by approximately $13 million and $25 million for the second quarter and six months ended June 30, 2020, respectively, compared with the same periods in the prior year. Refer to the discussion of segment results above for information pertaining to factors positively affecting and negatively impacting revenues.

Cost of Services and Products Sold

Cost of services and products sold for the second quarter of 2020 increased $97.9 million or 36.8% from the second quarter of 2019. Cost of services and products sold for the first six months of 2020 increased $163.2 or 31.6% from the second quarter of 2019. The changes in cost of services and products sold were attributable to the following significant items:

	June 30, 2020
(In millions)	Three Months Ended		Six Months Ended
Impact of ESOL and Clean Earth acquisitions	$	136.0	$	199.4
Change in costs due to changes in revenues (exclusive of the ESOL and Clean Earth acquisitions and effects of foreign currency translation and including fluctuations in commodity costs included in selling prices)	(27.6)		(14.7)
Impact of foreign currency translation	(10.0)		(19.3)
Other	(0.5)		(2.2)
Total change in cost of services and products sold — 2020 vs. 2019	$	97.9	$	163.2

Selling, General and Administrative Expenses

Selling, general and administrative expenses for the second quarter of 2020 increased $13.3 million or 19.7% from the second quarter of 2019. Selling, general and administrative expenses for the first six months of 2020 increased $29.4 million or 23.7% from the first six months of 2019. This increase primarily relates to incremental acquisition and integration costs of approximately $16 million during the six months ended June 30, 2020, primarily related to the acquisition of ESOL and the inclusion of selling, general and administrative expenses associated with the ESOL and Clean Earth acquisitions which occurred in April 2020 and June 2019, respectively. These increases were partially offset by decreased compensation expense resulting from lower incentive accruals including a favorable adjustment in the second quarter of 2020 of $4.5 million of incentives accrued during the first quarter of 2020, a provision for doubtful accounts of $5.4 million related to a U.K. customer that entered administration during the second quarter 2019 that did not repeat and decreased travel and entertainment expenses.

Other (Income) Expenses, Net

The major components of this Condensed Consolidated Statements of Operations caption are as follows:

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands)	2020		2019		2020		2019
Employee termination benefit costs	$	441	$	997	$	5,896	$	3,516
Other costs to exit activities	289		1,192		465		2,347
Impaired asset write-downs	4		—		73		214
Contingent consideration adjustments	—		(3,880)		—		(3,511)
Net gains	(229)		—		(248)		(2,271)
Other	(797)		(26)		(745)		(269)
Other expenses, net	$	(292)	$	(1,717)	$	5,441	$	26

Interest Expense

Interest expense during the second quarter and first six months of 2020 increased by $8.9 million and $16.0 million, respectively, compared with the second quarter and first six months 2019. This increase primarily relates to higher outstanding borrowings and weighted average interest rates related to the June 2019 issuance of the 5.75% Notes and the April 2020 issuance of the New Term Loan. 

Unused Debt Commitment and Amendment Fees

During the three and six months ended June 30, 2020, the Company recognized $1.4 million and $1.9 million, respectively, of fees and expenses related to the amended Senior Secured Credit Facilities in the caption Unused debt commitment and amendment fees on the Condensed Consolidated Statement of Operations.

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During the second quarter of 2019, the Company recognized $6.7 million of expenses for fees and other costs related to the unused bridge financing commitment that the Company arranged in the event that the Notes were not issued prior to the acquisition of Clean Earth. Additionally, the Company recognized $0.7 million of expenses related to the amendment of the Original Term Loan.

Defined Benefit Pension Income (Expense)

Defined benefit pension income for the second quarter of 2020 was $1.7 million, compared with defined benefit pension expense of $1.5 million for the second quarter of 2019. Defined benefit pension income for the first six months of 2020 was $3.3 million, compared with defined benefit pension expense of $2.8 million for the first six months of 2019. These changes are primarily the result of higher plan asset values at December 31, 2019.

Income Tax Expense

Income tax benefit related to continuing operations for the second quarter and first six months of 2020 was $2.3 million and $3.0 million, respectively, compared with income tax expense related to continuing operations for the second quarter and the first six months of 2019 was $4.0 million and $5.2 million, respectively. This change is the result of lower taxable income, primarily resulting from the incremental acquisition and integration costs of approximately $16 million to support the ESOL acquisition, and decreased operating income as a result of the impacts of COVID-19.

Income (Loss) from Continuing Operations

The Loss from continuing operations was $9.6 million and $17.3 million for the second quarter and first six months of 2020, respectively, compared with Loss from continuing operations of $0.6 million and income from continuing operations was $11.7 million for the second quarter and the first six months of 2019, respectively, The primary drivers for these decreases are noted above.

Gain on Sale of Discontinued Business

In January 2020 the Company sold IKG and recognized a gain on sale of $18.4 million pre-tax (or approximately $9 million after-tax).

Income from Discontinued Operations

The operating results of the former Harsco Industrial Segment, costs directly related to these disposals, an allocation of interest expense associated with mandatory debt repayments required as a result of the disposals and the write-off of deferred financing costs resulting from the mandatory repayment have been reflected as discontinued operations in the Company's Condensed Consolidated Statement of Operations for all periods presented. See Note 3, Acquisitions and Dispositions, in Part I, Item 1, Financial Statements.

Total Other Comprehensive Income (Loss)

Total other comprehensive income was $13.0 million and other comprehensive loss was $17.0 million, respectively, in the second quarter and first six months of 2020 compared with Total other comprehensive income of $3.6 million and $8.1 million, respectively, in the second quarter and the first six months of 2019. The primary driver of the decrease for the comparative six month period is due to the strengthening of the U.S. against certain currencies including the impact of foreign currency translation of cumulative unrecognized actuarial losses on the Company’s pension obligations.

Liquidity and Capital Resources

In March 2020 the Company raised the $280 million New Term Loan as a new tranche under the existing Senior Secured Credit Facilities. The New Term Loan was fully drawn on April 6, 2020 to partially fund the acquisition of ESOL. See Note 3, Acquisition and Dispositions for additional information related to the ESOL acquisition. Borrowings under the New Term Loan bear interest at a rate per annum ranging from 150 to 225 basis points over adjusted LIBOR (as defined in the Credit Agreement). The New Term Loan will mature on June 28, 2024.

In both March 2020 and June 2020, the Company amended the Senior Secured Credit Facilities to increase the net debt to consolidated adjusted EBITDA ratio covenant. As a result of these amendments, the net debt to consolidated adjusted EBITDA ratio covenant has been increased to 5.25 for June 30, 2020, 5.75 through March 2021 and then decreasing quarterly until reaching 4.75 in December 2021. There is no change to the previously agreed interest rates as long as the Company's total leverage ratio does not equal or exceed 4.50 at which time it would increase by 25 basis points.

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Cash Flow Summary

The global economy continues to be impacted by COVID-19, the ultimate extent and duration of which is not presently known, and the Company expects its liquidity to continue to be negatively impacted in the near term. As a result, the Company has taken significant proactive actions to minimize the operational and financial impacts. In addition, the Company is focused on actions to include adjusting its cost structure, reducing discretionary capital and operating expenditures, improving working capital management in order to preserve its financial flexibility and liquidity position.

The Company currently expects to have sufficient financial liquidity and borrowing capacity to support the strategies within each of its businesses, inclusive of the impacts of COVID-19. The Company currently expects operational and business needs to be met by cash provided by operations, supplemented with borrowings principally under the Senior Secured Credit Facility due to historic patterns of seasonal cash flow, the funding of various projects, and the impact of COVID-19.

The Company’s cash flows from operating, investing and financing activities, as reflected on the Company's Condensed Consolidated Statements of Cash Flows, are summarized in the following table:

	Six Months Ended
	June 30
(In millions)	2020		2019
Net cash provided (used) by:
Operating activities	$	21.5	$	5.4
Investing activities	(451.9)		(677.5)
Financing activities	461.5		714.3
Effect of exchange rate changes on cash and cash equivalents, including restricted cash	(6.8)		(0.2)
Net change in cash and cash equivalents, including restricted cash	$	24.3	$	41.9

Net cash provided by operating activities — Net cash provided by operating activities in the first six months of 2020 was $21.5 million, an increase of $16.1 million from the first six months of 2019.  The primary driver for this increase were changes in net working capital, primarily additional customer advances in the Harsco Rail Segment and favorable timing of accounts receivable collections, partially offset by lower net income (excluding the impacts of the IKG sale), including the incremental acquisition and integration costs principally related to the ESOL acquisition. This increase also reflects the Company's deferral of certain payroll tax payments and pension contributions, as allowed by various legislation.

Net cash used by investing activities — Net cash used by investing activities in the first six months of 2020 was $451.9 million, a decrease of $225.6 million from the first six months of 2019.  The decrease was primarily due to a decrease in cash paid for purchases of businesses, lower capital expenditures primarily in the Harsco Environmental Segment and proceeds from the sale of the IKG business.

Net cash provided by financing activities — Net cash provided by financing activities in the first six months of 2020 was $461.5 million, a decrease of $252.8 million from the first six months of 2019.  The decrease was primarily due to lower net cash borrowings of $468.9 million in the first six months of 2020 compared with net cash borrowings of $737.1 million in the six months of 2019 due to lower cash paid for businesses and capital expenditures; partially offset by a decreases in the payments of deferred financing costs and decreases in payments of employee taxes related to stock-based compensation vesting.

Effect of exchange rate changes on cash and cash equivalents, including restricted cash — The decrease is due to the impact of the significant strengthening of the U.S. dollar against certain currencies during the first six months of 2020 on the global cash balances held by the Company in these currencies, including balances held in the Company’s multicurrency cash pool. The most significant impacts were the Mexican peso, the Brazilian real, the Canadian dollar and the Australian dollar.

Sources and Uses of Cash

The Company’s principal sources of liquidity are cash provided by operations and borrowings under the Senior Secured Credit Facility, augmented by cash proceeds from asset sales. In addition, the Company has other bank credit facilities available throughout the world.  The Company expects to continue to utilize all of these sources to meet future cash requirements for operations and growth initiatives.

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Summary of Senior Secured Credit Facilities and Notes(a): (In millions)	June 30 2020		December 31 2019
By type:
Revolving Credit Facility	$	252.0	$	67.0
New Term Loan	280.0		—
Original Term Loan	218.2		218.2
5.75% Notes	500.0		500.0
Total	$	1,250.2	$	785.2

(a)  All amounts outstanding under the Senior Secured Credit Facilities and Notes are classified as long-term on the Company's Condensed Consolidated Balance Sheets at both June 30, 2020 and December 31, 2019.

	June 30, 2020
(In millions)	Facility Limit		Outstanding Balance		Outstanding Letters of Credit		Available Credit
Multi-year revolving credit facility	$	700.0	$	252.0	$	25.4	$	422.6

Debt Covenants

The Senior Secured Credit Facility contains a consolidated net debt to consolidated adjusted EBITDA ratio covenant, which is not to exceed 5.25 for June 30, 2020, 5.75 through March 2021 and then decreasing quarterly until reaching 4.75 in December 2021, and a minimum consolidated adjusted EBITDA to consolidated interest charges ratio covenant, which is not to be less than 3.0.  At June 30, 2020 the Company was in compliance with these covenants, as the total net debt to adjusted EBITDA ratio was 3.9 and total interest coverage ratio was 5.7. Based on balances and covenants in effect at June 30, 2020 the Company could increase net debt by $393.0 million and remain in compliance with these debt covenants. Alternatively, adjusted EBITDA could decrease by $74.9 million, and the Company would remain in compliance with these covenants. The Company has estimated the negative impact of COVID-19 on its financial position, results of operations and cash flows, and believes it will continue to maintain compliance with these covenants.  However, due to the inherent uncertainty of COVID-19 on the Company’s businesses, the Company’s estimates of compliance with these covenants could change in the future.

Cash Management

The Company has various cash management systems throughout the world that centralize cash in various bank accounts where it is economically justifiable and legally permissible to do so. These centralized cash balances are then redeployed to other operations to reduce short-term borrowings and to finance working capital needs or capital expenditures. Due to the transitory nature of cash balances, they are normally invested in bank deposits that can be withdrawn at will or in very liquid short-term bank time deposits and government obligations. The Company's policy is to use the largest banks in the various countries in which the Company operates. The Company monitors the creditworthiness of banks and when appropriate will adjust banking operations to reduce or eliminate exposure to less creditworthy banks.

At June 30, 2020 the Company's consolidated cash and cash equivalents included $76.6 million held by non-U.S. subsidiaries. At June 30, 2020 less than 2% of the Company's consolidated cash and cash equivalents had regulatory restrictions that would preclude the transfer of funds with and among subsidiaries. Non-U.S. subsidiaries also held $24.1 million of cash and cash equivalents in consolidated strategic ventures. The strategic venture agreements may require strategic venture partner approval to transfer funds with and among subsidiaries. While the Company's remaining non-U.S. cash and cash equivalents can be transferred with and among subsidiaries, the majority of these non-U.S. cash balances will be used to support the ongoing working capital needs and continued growth of the Company's non-U.S. operations.

Recently Adopted and Recently Issued Accounting Standards

Information on recently adopted and recently issued accounting standards is included in Note 2, Recently Adopted and Recently Issued Accounting Standards, in Part I, Item 1, Financial Statements.

ITEM 3.     QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

Market risks have not changed significantly from those disclosed in the Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2019.

45

ITEM 4.        CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

As of June 30, 2020, an evaluation was performed, under the supervision and with the participation of the Company's management, including the Company's Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of the Company's disclosure controls and procedures pursuant to Rule 13a-15 under the Securities and Exchange Act of 1934, as amended. Based upon that evaluation, and subject to the exclusion below related to ESOL, such officers concluded that the Company's disclosure controls and procedures are effective to ensure that information required to be disclosed by the Company in the reports it files or submits under the Securities and Exchange Act of 1934, as amended (1) is recorded, processed, summarized, and reported within the time periods specified in the Securities and Exchange Commission's rules and forms and (2) is accumulated and communicated to the Company's management, including the Chief Executive Officer and Chief Financial Officer, as appropriate to allow for timely decisions regarding required disclosure.

In accordance with interpretive guidance issued by SEC staff, companies are allowed to exclude acquired businesses from the assessment of internal control over financial reporting during the first year after completion of an acquisition and from the assessment of disclosure controls and procedures to the extent subsumed in such internal control over financial reporting (the “Internal Controls Guidance”). In accordance with the Internal Controls Guidance, as the Company acquired ESOL on April 6, 2020, management's evaluation and conclusion as to the effectiveness of the Company's disclosure controls and procedures as of June 30, 2020 excluded the portion of disclosure controls and procedures that are subsumed by internal control over financial reporting of ESOL. ESOL’s assets represented approximately 11% of the Company’s consolidated total assets, excluding the effects of purchase accounting, and its revenues represented approximately 24% of the Company's consolidated total revenues, as of and for the quarter ended June 30, 2020.

Changes in Internal Control Over Financial Reporting

On June 28, 2019, the Company acquired Clean Earth. The Company has completed the process of transitioning Clean Earth to the Company's internal control over financial reporting. The Company will include Clean Earth in the assessment of internal control over financial reporting as of December 31, 2020.

On April 6, 2020 the Company acquired ESOL from Stericycle, Inc. As a result, the Company is currently integrating ESOL's operations into its overall system of internal control over financial reporting. Under the guidelines established by the SEC, companies are permitted to exclude acquisitions from their assessment of internal control over financial reporting during the year of acquisition. Accordingly, the Company expects to exclude ESOL from the assessment of internal control over financial reporting as of December 31, 2020.

Prior to the acquisition of ESOL, Stericycle, Inc. had identified two material weaknesses related to ESOL's internal control over financial reporting. A material weakness is a deficiency, or a combination of deficiencies, in internal control over financial reporting, such that there is a reasonable possibility that a material misstatement in annual or interim financial statements will not be prevented or detected on a timely basis. The first material weakness relates to not fully implementing and monitoring general information technology controls in the areas of user access and program change management for systems supporting Stericycle Inc.'s internal control process, including ESOL. The second material weakness relates to not fully designing, implementing and monitoring controls relevant to revenue and cost of disposal processes, including certain general information technology controls. While we have undertaken additional compensating processes and controls, we are not yet in a position to conclude that the material weaknesses have been remediated as of June 30, 2020. As a result, there is a risk that a material error may not be detected by our internal control structure that could result in a material misstatement to ESOL's reported financial results, which are consolidated with the Company's results. The Company's management is in the process of remediating these material weaknesses.

Other than the foregoing, there were no changes in the Company's internal control over financial reporting during the Company's most recent fiscal quarter that have materially affected, or are reasonably likely to materially affect, the Company's internal control over financial reporting.

46

PART II — OTHER INFORMATION 

ITEM 1.        LEGAL PROCEEDINGS

Information on legal proceedings is included in Note 12, Commitments and Contingencies, in Part I, Item 1, Financial Statements.

ITEM 1A.     RISK FACTORS

The Company's risk factors as of June 30, 2020 have not changed materially from those described in Part 1, Item 1A, "Risk Factors" of the Company's Annual Report on Form 10-K for the year ended December 31, 2019, except for the risk factor below.

Outbreaks of disease and health epidemics, such as COVID-19, could have a negative impact on the Company's business revenues, financial position, results of operations and/or stock price.

In late December 2019 a notice of pneumonia of unknown cause originating from Wuhan, Hubei province of China was reported to the World Health Organization. A novel coronavirus called coronavirus disease 2019 was identified, with cases soon confirmed in multiple provinces in China, as well as in several other countries. On March 2, 2020, the World Health Organization declared the coronavirus outbreak a “pandemic”, which is disease that is widespread around the world with an impact on society. Since that time the virus has been identified in virtually every country, travel to and from most countries has been suspended or restricted by air carriers and foreign governments, and extended shutdowns of certain businesses and other activities in many countries have occurred and/or remain ongoing. This has led to disruptions in global supply chains, as well as steep downturns and price volatility in equity markets.

COVID-19 continues to impact worldwide economic activity and pose the risk that the Company or its employees, contractors, suppliers, customers and other business partners may be prevented from conducting certain business activities for an indefinite period of time, including due to shutdowns that may be requested or mandated by governmental authorities or otherwise elected by the Company or its customers as a preventive measure to limit the spread of coronavirus disease 2019. In addition, mandated government authority measures or other measures elected by companies as preventative measures may lead to the Company's customers being unable to complete purchases or other activities.

COVID-19 may have an adverse effect on the Company's operations and, given the uncertainty around the extent and timing of the potential future spread or mitigation and around the imposition or relaxation of protective measures, the Company cannot reasonably estimate the impact to the Company's future results of operations, cash flows, financial condition or stock price.

ITEM 2.        UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

On May 2, 2018 the Company announced that the Board of Directors adopted a share repurchase program, authorizing the Company to repurchase up to $75,000,000 of outstanding shares of the Company’s common stock through April 24, 2021. The Company did not purchase any shares of common stock under this program during the quarter ended June 30, 2020. The approximate dollar value of shares that may yet be purchased under the share repurchase program is $13,151,485. When and if appropriate, repurchases are made in open market transactions, depending on market conditions.  Share repurchases may not occur and may be discontinued at any time.

47

ITEM 6.        EXHIBITS

The following exhibits are included as part of this report by reference:

Exhibit Number	Description
10.1	Amendment No. 6, dated June 26, 2020, among Harsco Corporation, the subsidiaries of the Company party thereto, Citibank N.A., as administrative agent and collateral agent, and the lenders party thereto (incorporated by reference to the Company's Current Report on Form 8-K dated June 26, 2020, Commission File Number 001-03970).
10.2	Form of Consulting Agreement by Tracey L. McKenzie and Harsco Corporation (incorporated by reference to the Company's Current Report on Form 8-K dated May 12, 2020)..
10.3	Form of Restricted Stock Units Agreement (Non-Employee Director).
10.4	Amendment No. 2 to the 2013 Equity Incentive Compensation Plan.
31.1	Certification Pursuant to Rule 13a-14(a) or 15d-14(a), as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 (Chairman, President and Chief Executive Officer).
31.2	Certification Pursuant to Rule 13a-14(a) or 15d-14(a), as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 (Chief Financial Officer).
32	Certifications Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Chairman, President and Chief Executive Officer and Chief Financial Officer).
101.Def	Definition Linkbase Document
101.Pre	Presentation Linkbase Document
101.Lab	Labels Linkbase Document
101.Cal	Calculation Linkbase Document
101.Sch	Schema Document
101.Ins	Instance Document - the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document.

* Schedules and similar exhibits, attachments and annexes have been omitted pursuant to Item 601(b)(2) of Regulation S-K. The Company will furnish copies of any such schedules exhibits, attachments and annexes to the U.S. Securities and Exchange Commission upon request.

48

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.

HARSCO CORPORATION

(Registrant)

DATE	August 5, 2020	/s/ PETER F. MINAN
		Peter F. Minan
		Senior Vice President and Chief Financial Officer
		(On behalf of the registrant and as Principal Financial Officer)
DATE	August 5, 2020	/s/ SAMUEL C. FENICE
		Samuel C. Fenice
		Vice President and Corporate Controller
		(Principal Accounting Officer)

49

EX-10.3

Exhibit 10.3

HARSCO CORPORATION

FORM OF

RESTRICTED STOCK UNITS AGREEMENT

(Directors)

This Agreement (the “Agreement”) is made as of this 15^th day of May, 2020 (the “Date of Grant”) by and between Harsco Corporation, a Delaware corporation (the “Company”) and _________________, a non-employee director of the Company (the “Grantee”).

1.Grant of Restricted Stock Units.Subject to and upon the terms, conditions and restrictions set forth in this Agreement and in the Company’s 2016 Non-Employee Directors’ Long-Term Equity Compensation Plan, as amended, (the “Plan”), the Company hereby grants to the Grantee as of the Date of Grant the amount of Eleven Thousand Six Hundred and Sixty Two (11,662) Restricted Stock Units (the “Restricted Stock Units”). The Restricted Stock Units shall become vested in accordance with Section 3 hereof. Each Restricted Stock Unit shall represent one hypothetical share of Common Stock, $1.25 par value of the Company (the “Common Stock”) and shall at all times be equal in value to one share of Common Stock.The Restricted Stock Units will be credited to the Grantee in an account established for the Grantee until payment in accordance with Section 4 hereof.

2.Restrictions on Transfer of Restricted Stock Units.Neither the Restricted Stock Units granted hereby nor any interest therein or in the Common Stock related thereto shall be transferable prior to vesting.

3.Vesting of Restricted Stock Units. The Restricted Stock Units shall become vested and non-forfeitable as set forth in Section IX. of the Plan (such date the Restricted Stock Units vest, the “Vesting Date”).

4.Issuance of the Common Stock.

(a)The Company will issue to the Grantee the Common Stock underlying the vested Restricted Stock Units, together with cash in lieu of any fractional share, as soon as practicable following the Vesting Date.

(b)The Company’s obligations to the Grantee with respect to the Restricted Stock Units will be satisfied in full upon the issuance of shares of Common Stock corresponding to such Restricted Stock Units.

5.Dividend, Voting and Other Rights.

(a)The Grantee shall have no rights of ownership in the Restricted Stock Units and shall have no right to vote Restricted Stock Units until the date on which the Restricted Stock Units are transferred to the Grantee pursuant to Section 4 above and a stock certificate (or certificates) representing such shares of Common Stock is issued to the Grantee.

Exhibit 10.3

(b)Whenever dividends are paid or distributions made with respect to the Common Stock, the Grantee shall be entitled to dividend equivalents in an amount equal in value to the amount of the dividend paid or property distributed on a single share of Common Stock multiplied by the number of Restricted Stock Units (including any fractional share) credited to the Grantee’s account as of the record date for such dividend or distribution.

(c)The obligations of the Company under this Agreement will be merely that of an unfunded and unsecured promise of the Company to deliver shares of Common Stock in the future, and the rights of the Grantee will be no greater than that of an unsecured general creditor.No assets of the Company will be held or set aside as security for the obligations of the Company under this Agreement.

6.Adjustments.The number of shares of Common Stock issuable pursuant to the Restricted Stock Units is subject to adjustment as provided in Section XIII. of the Plan.

7.Compliance with Law.The Company shall make reasonable efforts to comply with all applicable federal and state securities laws; provided, however, notwithstanding any other provision of this Agreement, the Company shall not be obligated to issue any shares of Common Stock pursuant to this Agreement if the issuance thereof would result in a violation of any such law.

8.Compliance with Section 409A of the Code.To the extent applicable, it is intended that this Agreement and the Plan comply with the provisions of Section 409A of the Code.This Agreement and the Plan shall be administered in a manner consistent with this intent, and any provision that would cause this Agreement or the Plan to fail to satisfy Section 409A of the Code shall have no force or effect until amended to comply with Section 409A of the Code (which amendment may be retroactive to the extent permitted by Section 409A of the Code and may be made by the Company without the consent of the Grantee).

9.Interpretation.Any reference in this Agreement to Section 409A of the Code will also include any proposed, temporary or final regulations, or any other guidance, promulgated with respect to such Section by the U.S. Department of the Treasury or the Internal Revenue Service.Except as expressly provided in this Agreement, capitalized terms used herein will have the meaning ascribed to such terms in the Plan.

10.No Right to Continue as a Director.This award will not confer upon the Grantee any right with respect to continuance of service as a director of the Company.

11.Amendments.Any amendment to the Plan shall be deemed to be an amendment to this Agreement to the extent that the amendment is applicable hereto; provided, however, that no amendment shall adversely affect the rights of the Grantee under this Agreement without the Grantee’s consent.

12.Severability.In the event that one or more of the provisions of this Agreement shall be invalidated for any reason by a court of competent jurisdiction, any provision so

Exhibit 10.3

invalidated shall be deemed to be separable from the other provisions hereof, and the remaining provisions hereof shall continue to be valid and fully enforceable.

13.Governing Law.This Agreement will be construed under the laws of the Commonwealth of Pennsylvania, without regard to its conflict of law provisions, and the parties consent and agree that the federal and state courts of the Commonwealth of Pennsylvania will have exclusive jurisdiction over any dispute relating to this Agreement.

14.Withholding Taxes.If the Company shall be required to withhold any federal, state, local or foreign tax in connection with the Restricted Stock Units or the underlying shares of Common Stock, Grantee shall pay or make provision satisfactory to the Company for payment of all such taxes.Notwithstanding any other provision of this Agreement or the Plan, the Company shall not be obligated to guarantee any particular tax result for Grantee with respect to any payment provided to Grantee hereunder, and Grantee shall be responsible for any taxes imposed on Grantee with respect to any such payment.

15.Relation to Plan.This Agreement is subject to the terms and conditions of the Plan.In the event of any inconsistency between the provisions of this Agreement and the Plan, the Plan shall govern.The Board acting pursuant to the Plan, as constituted from time to time, shall, except as expressly provided otherwise herein, have the right to determine any questions which arise in connection with the grant of the Restricted Stock Units.

This Agreement is executed by the Company on the day and year first set forth above.

	HARSCO CORPORATION
By:
	Russell C. Hochman
	Senior Vice President and General Counsel, Chief Compliance Officer & Corporate Secretary

The undersigned hereby acknowledges receipt of an executed original of this Agreement and accepts the award of Restricted Stock Units granted hereunder on the terms and conditions set forth herein and in the Company’s 2016 Non-Employee Directors’ Long-Term Equity Compensation Plan, as amended.

Date:________________, 2020_______________________________

EX-10.4

Exhibit 10.4

HARSCO CORPORATION

2013 Equity and incentive Compensation Plan

Amendment No. 2

WHEREAS, the Board of Directors and stockholders of Harsco Corporation (the “Corporation”) have adopted the 2013 Equity and Incentive Compensation Plan, together with Amendment No. 1 to the 2013 Equity and Incentive Compensation Plan (the “Plan”);

WHEREAS, pursuant to Section 3(a) of the Plan, a total of 7,800,000 shares of the common stock, par value $1.25 per share, of the Corporation (the “Common Stock”) have been reserved for issuance under the Plan;

WHEREAS, the Corporation desires to increase the number of shares issuable under the Plan to 9,870,000 shares, including shares previously issued thereunder, and to increase the aggregate limit on the number of shares that may be issued or transferred in connection with awards other than stock options or appreciation rights to 6,519,000 shares; and

WHEREAS, Section 18 of the Plan permits the Corporation to amend the Plan from time to time, subject only to certain limitations specified therein;

NOW, THEREFORE, the following amendments and modifications are hereby made a part of the Plan subject to, and effective as of the date of, the approval of stockholders of the Plan as amended at the Corporation’s Annual Meeting of Stockholders on April 21, 2020:

1.Section 3(a) of the Plan shall be, and hereby is, amended such that the first sentence of such section shall hereby read as follows:

“Subject to adjustment as provided in Section 11 of this Plan, the number of shares of Common Stock that may be issued or transferred (A) upon the exercise of Option Rights or Appreciation Rights, (B) as Restricted Stock and released from substantial risks of forfeiture thereof, (C) in payment of Restricted Stock Units, (D) in payment of Performance Shares or Performance Units that have been earned, (E) as awards contemplated by Section 9 of this Plan, or (F) in payment of dividend equivalents paid with respect to awards made under the Plan will not exceed in the aggregate 9,870,000 shares; provided, that notwithstanding anything in this Section 3, or elsewhere in this Plan, to the contrary and subject to adjustment as provided in Section 11 of this Plan, the aggregate number of shares of Common Stock actually issued or transferred by the Corporation in connection with awards other than Option Rights or Appreciation Rights granted under this Plan will not exceed 6,519,000 shares.”

Exhibit 10.4

2.Section 3(b) of the Plan shall be, and hereby is, amended to increase the limit on the aggregate number of shares that may be issued or transferred upon the exercise of Incentive Stock Options to 9,870,000 and the first sentence of such section is hereby to read as follows:

“Notwithstanding anything in this Section 3, or elsewhere in this Plan, to the contrary and subject to adjustment as provided in Section 11 of this Plan, the aggregate number of shares of Common Stock actually issued or transferred by the Corporation upon the exercise of Incentive Stock Options will not exceed 9,870,000 shares.”

3.In all other respects, the Plan, as amended, is hereby ratified and confirmed and shall remain in full force and effect.

IN WITNESS WHEREOF, the Corporation has executed this Amendment No. 2 to the 2013 Equity and Incentive Compensation Plan.

	HARSCO CORPORATION
By:	/s/Russell C. Hochman
Name:	Name: Russell C. Hochman
Title:	Corporate Secretary

EX-31.1

Exhibit 31.1

HARSCO CORPORATION

CERTIFICATION PURSUANT TO RULE 13a-14(a) OR 15d-14(a)

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, F. Nicholas Grasberger, III, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Harsco Corporation;

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(s) 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 (the registrant’s fourth fiscal quarter in the case of an annual report) 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(s) 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. 

August 5, 2020

/s/ F. NICHOLAS GRASBERGER III

F. Nicholas Grasberger III

Chairman, President and Chief Executive Officer

EX-31.2

Exhibit 31.2

HARSCO CORPORATION

CERTIFICATION PURSUANT TO RULE 13a-14(a) OR 15d-14(a)

AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Peter F. Minan, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q of Harsco Corporation;

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(s) 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 (the registrant’s fourth fiscal quarter in the case of an annual report) 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(s) 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. 

August 5, 2020

/s/ PETER F. MINAN

Peter F. Minan

Senior Vice President and Chief Financial Officer

EX-32

Exhibit 32

HARSCO CORPORATION

CERTIFICATIONS PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Harsco Corporation (the "Company") on Form 10-Q for the period ending June 30, 2020, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), we certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of our knowledge:

(1)The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

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

August 5, 2020

/s/ F. NICHOLAS GRASBERGER III

F. Nicholas Grasberger III

Chairman, President and Chief Executive Officer

/s/ PETER F. MINAN

Peter F. Minan

Senior Vice President and Chief Financial Officer

A signed original of this written statement required by Section 906 has been provided to Harsco Corporation and will be retained by Harsco Corporation and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Cover Page - shares	6 Months Ended
	Jun. 30, 2020	Jul. 31, 2020
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2020
Document Transition Report	false
Entity File Number	001-03970
Entity Registrant Name	HARSCO CORP
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	23-1483991
Entity Address, Address Line One	350 Poplar Church Road,
Entity Address, City or Town	Camp Hill,
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	17011
City Area Code	717
Local Phone Number	763-7064
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Shell Company	false
Entity Small Business	false
Entity Emerging Growth Company	false
Title of 12(b) Security	Common stock, par value $1.25 per share
Trading Symbol	HSC
Security Exchange Name	NYSE
Entity Common Stock, Shares Outstanding		78,903,587
Entity Central Index Key	0000045876
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Amendment Flag	false

XML

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 81,784	$ 57,259
Restricted cash	2,267	2,473
Trade accounts receivable, net	406,565	309,990
Other receivables	19,601	21,265
Inventories	173,573	156,991
Current portion of contract assets	59,026	31,166
Current portion of assets held-for-sale	0	22,093
Other current assets	55,270	51,575
Total current assets	798,086	652,812
Property, plant and equipment, net	634,352	561,786
Right-of-use assets, net	101,743	52,065
Goodwill	881,665	738,369
Intangible assets, net	449,445	299,082
Deferred income tax assets	9,468	14,288
Assets held-for-sale	0	32,029
Other assets	51,515	17,036
Total assets	2,926,274	2,367,467
Current liabilities:
Short-term borrowings	2,719	3,647
Current maturities of long-term debt	2,709	2,666
Accounts payable	211,615	176,755
Accrued compensation	33,913	37,992
Income taxes payable	14,691	18,692
Insurance liabilities	11,293	10,140
Current portion of advances on contracts	50,318	53,906
Current portion of operating lease liabilities	27,850	12,544
Current portion of liabilities of assets held-for-sale	0	11,344
Other current liabilities	157,876	137,208
Total current liabilities	512,984	464,894
Long-term debt	1,242,321	775,498
Insurance liabilities	14,326	18,515
Retirement plan liabilities	156,352	189,954
Advances on contracts	48,183	6,408
Operating lease liabilities	71,553	36,974
Liabilities of assets held-for-sale	0	12,152
Accrual for Environmental Loss Contingencies, Gross	30,027	5,600
Other liabilities	86,012	67,813
Total liabilities	2,161,758	1,577,808
COMMITMENTS AND CONTINGENCIES
HARSCO CORPORATION STOCKHOLDERS' EQUITY
Preferred stock	0	0
Common stock	144,245	143,400
Additional paid-in capital	203,916	200,595
Accumulated other comprehensive loss	(603,618)	(587,622)
Retained earnings	1,813,639	1,824,100
Treasury stock	(843,003)	(838,893)
Total Harsco Corporation stockholders' equity	715,179	741,580
Noncontrolling interests	49,337	48,079
Total equity	764,516	789,659
Total liabilities and equity	$ 2,926,274	$ 2,367,467

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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020		Jun. 30, 2019		Jun. 30, 2020	Jun. 30, 2019
Revenues from continuing operations:
Total revenues	$ 447,281		$ 350,898		$ 846,122	$ 680,800
Costs and expenses from continuing operations:
Selling, general and administrative costs	80,771		67,501		153,270	123,907
Research and development expenses	792		1,120		2,052	1,869
Other (income) expenses, net	(292)		(1,717)		5,441	26
Total costs and expenses	445,413		333,099		841,373	643,177
Operating income from continuing operations	1,868		17,799		4,749	37,623
Interest income	816		591		1,009	1,124
Interest expense	(14,953)		(6,103)		(27,602)	(11,610)
Unused debt commitment and amendment fees	(1,432)		(7,435)		(1,920)	(7,435)
Defined benefit pension income (expense)	1,723		(1,472)		3,312	(2,810)
Income (loss) from continuing operations before income taxes and equity income	(11,978)		3,380		(20,452)	16,892
Income tax benefit (expense)	2,304		(3,994)		2,986	(5,213)
Equity income of unconsolidated entities, net	71		49		167	70
Income (loss) from continuing operations	(9,603)		(565)		(17,299)	11,749
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax	(91)		0		18,371	0
Discontinued operations:
Income from discontinued businesses	524		9,936		299	23,686
Income tax benefit (expense) related to discontinued businesses	(285)		1,558		(9,599)	(1,969)
Income from discontinued operations	148		11,494		9,071	21,717
Net income (loss)	(9,455)		10,929		(8,228)	33,466
Less: Net income attributable to noncontrolling interests	(1,147)		(2,287)		(2,233)	(4,127)
Net income (loss) attributable to Harsco Corporation	(10,602)		8,642		(10,461)	29,339
Amounts attributable to Harsco Corporation common stockholders:
Income (loss) from continuing operations, net of tax	(10,750)		(2,852)		(19,532)	7,622
Income from discontinued operations	148		11,494		9,071	21,717
Net income (loss) attributable to Harsco Corporation	$ (10,602)		$ 8,642		$ (10,461)	$ 29,339
Weighted-average shares of common stock outstanding (in shares)	78,987		80,328		78,874	80,119
Basic earnings (loss) per common share attributable to Harsco Corporation common stockholders:
Continuing operations (in dollars per share)	$ (0.14)		$ (0.04)		$ (0.25)	$ 0.10
Discontinued operations (in dollars per share)	0		0.14		0.12	0.27
Basic earnings (loss) per share attributable to Harsco Corporation common stockholders (in dollars per share)	$ (0.13)	[1]	$ 0.11	[1]	$ (0.13)	$ 0.37
Diluted weighted-average shares of common stock outstanding (in shares)	78,987		80,328		78,874	82,074
Diluted earnings (loss) per common share attributable to Harsco Corporation common stockholders:
Continuing operations (in dollars per share)	$ (0.14)		$ (0.04)		$ (0.25)	$ 0.09
Discontinued operations (in dollars per share)	0		0.14		0.12	0.26
Diluted earnings (loss) per share attributable to Harsco Corporation common stockholders (in dollars per share)	$ (0.13)	[1]	$ 0.11	[1]	$ (0.13)	$ 0.36	[1]
Products And Services, Service Revenue [Member]
Revenues from continuing operations:
Total revenues	$ 345,578		$ 238,003		$ 636,917	$ 467,523
Costs and expenses from continuing operations:
Cost of services sold	285,822		186,840		522,141	368,711
Product Revenues
Revenues from continuing operations:
Total revenues	101,703		112,895		209,205	213,277
Costs and expenses from continuing operations:
Cost of services sold	$ 78,320		$ 79,355		$ 158,469	$ 148,664

[1]  Does not total due to rounding

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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (9,455)	$ 10,929	$ (8,228)	$ 33,466
Other comprehensive income (loss):
Foreign currency translation adjustments, net of deferred income taxes of $(659) and $(1,383); and $(4,741) and $(252) for the three and six months ended June 30, 2020 and 2019, respectively	5,795	(8,950)	(52,771)	504
Net gain (loss) on cash flow hedging instruments, net of deferred income taxes of $(251) and $196; and $266 and $1,141 for the three and six months ended June 30, 2020 and 2019, respectively	328	(1,024)	(1,359)	(4,171)
Pension liability adjustments, net of deferred income taxes of $(323) and $(379); and $(2,033) and $(721) for the three and six months ended June 30, 2020 and 2019, respectively	6,921	13,562	37,190	11,771
Unrealized gain (loss) on marketable securities, net of deferred income taxes of $4 and $(3); and $12 and $(8) for the three and six months ended June 30, 2020 and 2019, respectively	(13)	10	(31)	25
Total other comprehensive income	13,031	3,598	(16,971)	8,129
Total comprehensive income	3,576	14,527	(25,199)	41,595
Less: Comprehensive (income) loss attributable to noncontrolling interests	(1,319)	(1,687)	(1,258)	(3,947)
Comprehensive income attributable to Harsco Corporation	$ 2,257	$ 12,840	$ (26,457)	$ 37,648

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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Foreign currency translation adjustments, deferred income taxes	$ (659)	$ (1,383)	$ (4,741)	$ (252)
Net gain (loss) on cash flow hedging instruments, deferred income taxes	(251)	196	266	1,141
Pension liability adjustments, deferred income taxes	(323)	(379)	(2,033)	(721)
Unrealized gain (loss) on marketable securities, deferred income taxes	$ 4	$ (3)	$ 12	$ (8)

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities:
Net income (loss)	$ (8,228)	$ 33,466
Adjustments to reconcile net income to net cash provided (used) by operating activities:
Depreciation	61,512	59,857
Amortization	15,672	5,792
Deferred income tax benefit	(655)	(3,823)
Equity income of unconsolidated entities, net	(167)	(70)
Gain on sale from discontinued business	(18,371)	0
Other, net	(2,244)	2,561
Changes in assets and liabilities, net of acquisitions and dispositions of businesses:
Accounts receivable	16,534	(27,034)
Inventories	(16,666)	(20,497)
Contract assets	(28,934)	(69)
Right-of-use assets	11,834	7,228
Accounts payable	(8,119)	10,917
Accrued interest payable	(2,940)	285
Accrued compensation	(4,767)	(14,525)
Advances on contracts	35,836	(10,381)
Operating lease liabilities	(11,596)	(6,894)
Retirement plan liabilities, net	(19,026)	(13,146)
Income taxes payable - Gain on sale of discontinued businesses	3,467	0
Other assets and liabilities	(1,621)	(18,295)
Net cash provided by operating activities	21,521	5,372
Gain on disposition of business	(18,371)
Cash flows from investing activities:
Purchases of property, plant and equipment	(51,213)	(91,201)
Purchases of businesses, net of cash acquired	(442,604)	(584,485)
Proceeds from Divestiture of Businesses	37,219	0
Proceeds from sales of assets	3,952	2,205
Expenditures for intangible assets	(42)	(525)
Payments for interest rate swap terminations	0	(2,758)
Other investing activities, net	59	0
Payments for (Proceeds from) Derivative Instrument, Investing Activities	(765)	691
Net cash used by investing activities	(451,864)	(677,455)
Cash flows from financing activities:
Short-term borrowings, net	2,677	84
Current maturities and long-term debt:
Additions	528,601	740,360
Reductions	(62,406)	(3,333)
Sale of noncontrolling interests	0	876
Dividends paid to noncontrolling interests	0	(3,098)
Stock-based compensation - Employee taxes paid	(4,093)	(11,167)
Deferred financing costs	1,928	9,464
Other financing activities, net	(1,371)	0
Net cash provided by financing activities	461,480	714,258
Effect of exchange rate changes on cash and cash equivalents, including restricted cash	(6,818)	(242)
Net increase in cash and cash equivalents, including restricted cash	24,319	41,933
Cash and cash equivalents, including restricted cash, at beginning of period	59,732	67,146
Cash and cash equivalents, including restricted cash, at end of period	84,051	109,079
Change in accrual for purchases of property, plant and equipment included in accounts payable	$ 1,085	12,804
Gain (loss) on Extinguishment of debt, Cash Flow		$ 0

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CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Common Stock Issued	Common Stock Treasury	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Beginning balance at Dec. 31, 2018	$ 313,376	$ 141,842	$ (795,821)	$ 190,597	$ 1,298,752	$ (567,107)	$ 45,113
Increase (Decrease) in Stockholders' Equity
Net income (loss)	22,537				20,697		1,840
Sale of subsidiary shares to noncontrolling interest	876						876
Total other comprehensive income (loss), net of deferred income taxes of $(1,229), $(5,267), $(1,569) and $1,729 for the three months ended June 30, and March 31, 2020 and June 30, and March 31, 2019, respectively	4,531					4,111	420
Stock appreciation rights exercised, net	(8)	2	(8)	(2)
Vesting of restricted stock units and other stock grants, net	(1,456)	198	(1,456)	(198)
Vesting of performance share units, net	(8,248)	1,136	(8,235)	(1,149)
Amortization of unearned portion of stock-based compensation, net of forfeitures	3,664			3,664
Ending balance at Mar. 31, 2019	335,272	143,178	(805,520)	192,912	1,340,878	(584,425)	48,249
Beginning balance at Dec. 31, 2018	313,376	141,842	(795,821)	190,597	1,298,752	(567,107)	45,113
Increase (Decrease) in Stockholders' Equity
Net income (loss)	33,466
Total other comprehensive income (loss), net of deferred income taxes of $(1,229), $(5,267), $(1,569) and $1,729 for the three months ended June 30, and March 31, 2020 and June 30, and March 31, 2019, respectively	8,129
Ending balance at Jun. 30, 2019	349,114	143,394	(807,003)	195,034	1,349,520	(580,229)	48,398
Beginning balance at Mar. 31, 2019	335,272	143,178	(805,520)	192,912	1,340,878	(584,425)	48,249
Increase (Decrease) in Stockholders' Equity
Net income (loss)	10,929				8,642		2,287
Total other comprehensive income (loss), net of deferred income taxes of $(1,229), $(5,267), $(1,569) and $1,729 for the three months ended June 30, and March 31, 2020 and June 30, and March 31, 2019, respectively	3,598					4,196	(598)
Stock appreciation rights exercised, net	(108)	18	(108)	(18)
Vesting of performance share units, net	(1,375)	198	(1,375)	(198)
Amortization of unearned portion of stock-based compensation, net of forfeitures	2,338			2,338
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	4,690						4,690
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	3,150						3,150
Ending balance at Jun. 30, 2019	349,114	143,394	(807,003)	195,034	1,349,520	(580,229)	48,398
Beginning balance at Dec. 31, 2019	789,659	143,400	(838,893)	200,595	1,824,100	(587,622)	48,079
Increase (Decrease) in Stockholders' Equity
Net income (loss)	1,227				141		1,086
Total other comprehensive income (loss), net of deferred income taxes of $(1,229), $(5,267), $(1,569) and $1,729 for the three months ended June 30, and March 31, 2020 and June 30, and March 31, 2019, respectively	(30,002)					(28,854)	(1,148)
Vesting of restricted stock units and other stock grants, net	(889)	230	(889)	(230)
Vesting of performance share units, net	(3,205)	589	(3,205)	(589)
Amortization of unearned portion of stock-based compensation, net of forfeitures	2,080			2,080
Ending balance at Mar. 31, 2020	758,870	144,219	(842,987)	201,856	1,824,241	(616,476)	48,017
Beginning balance at Dec. 31, 2019	789,659	143,400	(838,893)	200,595	1,824,100	(587,622)	48,079
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(8,228)
Total other comprehensive income (loss), net of deferred income taxes of $(1,229), $(5,267), $(1,569) and $1,729 for the three months ended June 30, and March 31, 2020 and June 30, and March 31, 2019, respectively	(16,971)
Ending balance at Jun. 30, 2020	764,516	144,245	(843,003)	203,916	1,813,639	(603,618)	49,337
Beginning balance at Mar. 31, 2020	758,870	144,219	(842,987)	201,856	1,824,241	(616,476)	48,017
Increase (Decrease) in Stockholders' Equity
Net income (loss)	(9,455)				(10,602)		1,147
Total other comprehensive income (loss), net of deferred income taxes of $(1,229), $(5,267), $(1,569) and $1,729 for the three months ended June 30, and March 31, 2020 and June 30, and March 31, 2019, respectively	13,031					12,858	173
Stock appreciation rights exercised, net	(16)	8	(16)	(8)
Vesting of restricted stock units and other stock grants, net	0	18	0	(18)
Amortization of unearned portion of stock-based compensation, net of forfeitures	2,086			2,086
Ending balance at Jun. 30, 2020	$ 764,516	$ 144,245	$ (843,003)	$ 203,916	$ 1,813,639	$ (603,618)	$ 49,337

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CONDENSED CONSOLIDATED STATEMENTS OF EQUITY (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019
Statement of Stockholders' Equity [Abstract]
Total other comprehensive income, deferred income taxes	$ (1,229)	$ (5,267)	$ (1,569)	$ 1,729
Stock appreciation rights exercised (in shares)	6,744		10,216	927
Vesting of restricted stock units and other stock grants (in shares)	14,211	104,840	99,134	94,229
Stock Issued During Period, Shares, Other		265,151		529,213

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Basis of Presentation

6 Months Ended

Jun. 30, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

The Company has prepared these unaudited condensed consolidated financial statements in accordance with U.S. GAAP for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the SEC. Accordingly, the unaudited condensed consolidated financial statements do not include all information and disclosure required by U.S. GAAP for annual financial statements. The December 31, 2019 Condensed Consolidated Balance Sheet information contained in this Quarterly Report on Form 10-Q was derived from the 2019 audited consolidated financial statements.  The unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements, including the notes thereto, included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019. In the opinion of management, all adjustments (all of which are of a normal recurring nature) that are necessary for a fair statement are reflected in the unaudited condensed consolidated financial statements. 

Restricted Cash

The Company had restricted cash of $2.3 million and $2.5 million at June 30, 2020 and December 31, 2019, respectively, and the restrictions are primarily related to collateral provided for certain guarantees of the Company's performance.

Acquisition of ESOL

On April 6, 2020 the Company completed the previously announced acquisition of ESOL, an established waste transportation, processing and services provider with a comprehensive portfolio of disposal solutions for customers primarily across the industrial, retail and healthcare markets from Stericycle, Inc. for $438.8 million in cash, subject to post-closing adjustments. See Note 3, Acquisitions and Dispositions, for additional information.

Segment Reporting

The Company reports information about operating segments using the "management approach," which is based on the way management organizes and reports the segments within the enterprise for making operating decisions and assessing performance. The Company's reportable segments are identified based upon differences in products, service and markets served. The Company has determined that the operations of ESOL will be combined and included as part of the Harsco Clean Earth Segment.

Impact of COVID-19

Beginning in early 2020 overall global economic conditions were significantly impacted by COVID-19. The continuing impact of COVID-19 on the Company varies by end market as well as local conditions (including applicable government mandates) and is continually evolving. The ultimate duration and impact of COVID-19 on the Company and its customers' operations is presently unclear, though the Company continues to operate as a provider of certain essential services in the U.S. and most other countries. The Company continues to take significant and proactive actions to protect all stakeholders and to minimize the operational and financial impacts of COVID-19 where possible.

The Company did not record any long-lived asset impairments, indefinite-lived asset impairments, goodwill impairments, significant inventory write-downs or incremental accounts receivable reserves for current expected credit losses during the three months or six months ended June 30, 2020, however such charges are possible in future periods, which could have an adverse effect on the Company's future results of operations, cash flows, or financial condition.

Discontinued Operations

In January 2020 the Company sold IKG and together with the 2019 sales of AXC and PK, this completes the divestiture of the former Harsco Industrial Segment originally announced in May 2019. These disposals represent a strategic shift and accelerated the transformation of the Company's portfolio of businesses into a leading provider of environmental solutions and services. As a result of these disposals (i) the carrying value of the remaining assets and liabilities of the Harsco Industrial Segment have been classified as Assets held-for-sale and Liabilities of assets held-for-sale on the Company's December 31, 2019 Condensed Consolidated Balance Sheets; (ii) the operating results of the Harsco Industrial Segment, costs directly related to the disposals, an allocation of interest expense associated with mandatory debt repayments required as a result of the disposals and the write-off of deferred financing costs resulting from the mandatory repayment have been reflected in the Company's Condensed Consolidated Statements of Operations as discontinued operations for all periods presented; and (iii) all disclosures have been updated to reflect these changes. See Note 3, Acquisitions and Dispositions, for additional information.

Reclassifications

Certain reclassifications have been made to prior year amounts to conform with current year classifications.

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Recently Adopted and Recently Issued Accounting Standards

6 Months Ended

Jun. 30, 2020

Accounting Changes and Error Corrections [Abstract]

Recently Adopted and Recently Issued Accounting Standards

Recently Adopted and Recently Issued Accounting Standards

The following accounting standards have been adopted in 2020:

On January 1, 2020 the Company adopted changes issued by the FASB which updated the impairment model for credit losses by requiring entities to use a forward-looking approach based on expected losses rather than incurred losses to estimate credit losses on certain types of financial instruments, including trade receivables. Provisions for receivables will be recorded as Allowance for expected credit losses, replacing the previously utilized Allowance for doubtful accounts. In addition, these changes required certain expanded disclosures. Other than changes in disclosure, these changes did not have a material impact on the Company's condensed consolidated financial statements as the calculation of expected credit losses did not yield results that were materially different from the methodology previously utilized by the Company. See Note 4, Accounts Receivable and Note Receivable for additional information.

On January 1, 2020 the Company adopted changes issued by FASB that removed the second step of the annual goodwill impairment test, which requires a hypothetical purchase price allocation. The changes provide that the amount of goodwill impairment will be equal to the amount by which a reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill. All other goodwill impairment guidance remains largely unchanged. The same one-step impairment test will be applied to goodwill at all reporting units, even those with zero or negative carrying amounts. Entities will be required to disclose the amount of goodwill at reporting units with zero or negative carrying amounts. These changes did not have a material impact on the Company's condensed consolidated financial statements.

On January 1, 2020 the Company adopted changes issued by FASB which modified the disclosure requirements for fair value measurements. The amendments in this update remove the requirement to disclose the amount of, and reasons for, transfers between Level 1 and Level 2 of the fair value hierarchy; the policy for timing of transfers between levels and the valuation processes for Level 3 fair value measurements. The changes require disclosure of changes in unrealized gains and losses for the period included in OCI for recurring Level 3 fair value measurements held at the end of the reporting period and the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements. Other than required expanded disclosures, the adoption of these changes did not have a material impact on the Company's condensed consolidated financial statements.

The following accounting standards have been issued and become effective for the Company at a future date:

In December 2019 the FASB issued changes which are intended to reduce complexity and simplify the accounting for income taxes in accordance with U.S. GAAP by removing certain exceptions related to investments, intraperiod allocations and interim calculations and clarifying existing guidance to improve consistent application. The changes become effective for the Company on January 1, 2021 with early adoption permitted. Management is currently evaluating the impact of these changes on its condensed consolidated financial statements.

In March 2020 the FASB issued changes that provides companies with optional guidance to ease the potential accounting burden associated with transitioning from reference rates that are expected to be discontinued. In response to the concerns about risks of IBORs and, particularly, the risk of cessation of LIBOR, regulators in several jurisdictions around the world have undertaken reference rate reform initiatives to identify alternative reference rates that are more observable or transaction based and less susceptible to manipulation. The changes provide optional expedients and exceptions for applying U.S. GAAP to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The changes can be adopted no later than December 31, 2022 with early adoption permitted. Management does not believe these changes will have a material impact on its condensed consolidated financial statements.

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Acquisitions and Dispositions

6 Months Ended

Jun. 30, 2020

Business Combinations [Abstract]

Acquisitions and Dispositions

Acquisitions and Dispositions

ESOL

On April 6, 2020 the Company completed the previously announced acquisition of 100% of ESOL, an established waste transportation, processing and services provider with a comprehensive portfolio of disposal solutions for customers primarily across the industrial, retail and healthcare markets from Stericycle, Inc. for $438.8 million of cash consideration at closing, subject to normal working capital adjustments. In addition, as part of the acquisition, the Company entered into a non-compete agreement with Stericycle, Inc. Concurrent to the ESOL acquisition, the Company entered into an agreement with Stericycle Inc. related to certain Stericycle, Inc. customers who receive services from both ESOL and other Stericycle, Inc. businesses under a single contractual arrangement. The revenue pertaining to services rendered to these customers are invoiced centrally through Stericycle, Inc. billing systems and ESOL's portion of the revenue, less a management fee, is then distributed to the Company.

The preliminary fair value recorded for the assets acquired and liabilities assumed for ESOL is as follows:

	Preliminary Valuation
(In millions)	April 6 2020		Measurement Period Adjustments		June 30 2020
Cash and cash equivalents	$	0.4	$	—	$	0.4
Trade accounts receivable	124.1		—		124.1
Inventory	5.0		—		5.0
Other current assets	0.7		—		0.7
Property, plant and equipment	105.3		—		105.3
Right-of-use assets	56.0		—		56.0
Goodwill	152.0		—		152.0
Intangible assets	161.0		—		161.0
Other assets	0.2		—		0.2
Accounts payable	(48.6)		—		(48.6)
Accrued expenses	(17.5)		—		(17.5)
Current portion of operating lease liabilities	(16.6)		—		(16.6)
Other current liabilities	(6.4)		—		(6.4)
Environmental liabilities	(24.4)		—		(24.4)
Deferred income taxes	(15.5)		—		(15.5)
Operating lease liabilities	(39.4)		—		(39.4)
Total identifiable net assets of ESOL	436.3		—		436.3
Non-compete agreement	2.5		—		2.5
Total identifiable net assets of ESOL	$	438.8	$	—	$	438.8

The goodwill is primarily attributed to expected operational efficiencies and synergies from the expanded geographical scale of hazardous waste processing facilities resulting from combining the ESOL business with the existing Clean Earth business of the Company, as well as the value associated with the assembled workforce of ESOL. The Company expects $36.8 million of goodwill to be deductible for income tax purposes through 2030.

The following table details the preliminary valuation of identifiable intangible assets and amortization periods for ESOL and the non-compete entered into by the Company upon acquisition of ESOL:

		Preliminary Valuation
(Dollars in millions)	Weighted-Average Amortization Period	April 6 2020		Measurement Period Adjustments (a)		June 30 2020
Permits and rights	22 years	$	138.0	$	0.0	$	138.0
Customer relationships	10 years	23.0		0.0		23.0
Total identifiable intangible assets of ESOL		161.0		0.0		161.0
Non-compete agreement	4 years	2.5		0.0		2.5
Total identifiable intangible assets acquired		$	163.5	$	0.0	$	163.5

The Company valued the identifiable intangible assets using methodologies under the income approach including the multi-period excess earnings method, the distributor method, and the with-and-without method. The purchase price allocation for ESOL is not final and the fair value of intangible assets and goodwill may vary significantly from those reflected in the Company's condensed consolidated financial statements at June 30, 2020.

ESOL contributed revenue of $107.5 million and an operating loss of $1.9 million for both the three and six months ended June 30, 2020. The operations of ESOL have been combined and included as part of the Harsco Clean Earth Segment.

The three and six months ended June 30, 2020 include ESOL direct acquisition and integration costs of $17.2 million and $30.3 million, respectively, which are included in the Selling, general and administrative expenses, within the Corporate function, in the Company's Condensed Consolidated Statements of Operations. In addition to the acquisition and integration costs reflected in the Company's Condensed Consolidated Statements of Operations, the debt issuance costs associated with the issuance of debt to fund the acquisition are reflected, net of amortization subsequent to the acquisition date, as Long-term debt on the Company's Condensed Consolidated Balance Sheets.

Clean Earth

On June 28, 2019 the Company acquired 100% of the outstanding stock of Clean Earth, one of the largest U.S. providers of specialty waste processing and beneficial reuse solutions for hazardous wastes, contaminated materials and dredged volumes, for an enterprise valuation of approximately $625 million on a cash free, debt free basis, subject to normal working capital adjustments. The Company transferred approximately $628 million of cash consideration and agreed to reimburse the sellers for any usage of assumed net operating losses in a post-closing period for up to five years, the present value of which is estimated at approximately $8 million.

The fair value recorded for the assets acquired and liabilities assumed for Clean Earth is as follows: 

	Final
(In millions)	June 28, 2019		Measurement Period Adjustments (a)		June 30 2020
Cash and cash equivalents (b)	$	42.8	$	(39.2)	$	3.6
Trade accounts receivable, net	63.7		(1.2)		62.5
Other receivables	0.8		1.3		2.1
Other current assets	8.7		(1.4)		7.3
Property, plant and equipment	75.6		1.4		77.0
Right-of-use assets	14.4		11.4		25.8
Goodwill	313.8		16.8		330.6
Intangible assets	261.1		(18.9)		242.2
Other assets	4.0		(2.8)		1.2
Accounts payable	(23.0)		(0.1)		(23.1)
Acquisition consideration payable (b)	(39.2)		39.2		—
Other current liabilities	(18.0)		(1.7)		(19.7)
Net deferred taxes liabilities	(51.2)		5.5		(45.7)
Operating lease liabilities	(11.1)		(8.4)		(19.5)
Other liabilities	(6.5)		(2.1)		(8.6)
Total identifiable net assets of Clean Earth	$	635.9	$	(0.2)	$	635.7

(a)  The measurement period adjustments did not have a material impact on the Company's previously reported operating results.

(b)  Acquisition consideration payable represents a portion of the cash consideration not paid out until July 2019.

The goodwill is attributable to strategic benefits, including enhanced operational and financial scale, as well as product and market diversification that the Company expects to realize. The Company expects $16.3 million of goodwill to be deductible for income tax purposes through 2033.

The following table details the preliminary valuation of identifiable intangible assets and amortization periods for Clean Earth:

		Final
(Dollars in millions)	Weighted-Average Amortization Period	Preliminary Valuation June 28, 2019		Measurement Period Adjustments (c)		June 30 2020
Permits	18 years	$	176.1	$	(6.0)	$	170.1
Customer relationships	8 years	33.4		(12.9)		20.5
Air rights	Usage based (d)	25.6		—		25.6
Trade names	12 years	26.0		—		26.0
Total identifiable intangible assets of Clean Earth		$	261.1	$	(18.9)	$	242.2

(c)  The measurement period adjustments did not have a material impact on the Company's previously reported operating results.

(d)  The Company estimates that based on current usage that the expected useful life would be 27 years.

The Company valued the identifiable intangible assets using an income-based approach that utilized either the multi-period excess earnings method or the relief from royalty method.

The three and six months ended June 30, 2019 include Clean Earth acquisition and integration costs of $12.0 million and $12.5 million, respectively which are included in Selling, general and administrative expenses in the Company’s Condensed Consolidated Statements of Operations.

Pro forma financial information

The pro forma information below gives effect to the Clean Earth acquisition as if it had been completed on January 1, 2018 and the ESOL acquisition as if it had been competed on January 1, 2019. The pro forma information is not necessarily indicative of the Company’s results of operations had the acquisitions been completed on the above dates, nor is it necessarily indicative of future results. The pro forma information does not reflect any cost savings from operating efficiencies or synergies that could result from the acquisitions and does not reflect the additional revenue opportunities following the acquisitions. The pro forma information below includes the adjustments necessary to reflect additional depreciation and amortization expense based on the estimated fair value and useful lives of intangible assets and fixed assets acquired; includes additional interest expense of approximately $4.7 million for the six months ended June 30, 2020 and $14.8 million and $29.4 million for the three and six months ended June 30, 2019, respectively,on the acquisition related borrowings used to finance the acquisitions and excludes certain directly attributable acquisition and integration costs and historic interest expense. These pro forma adjustments are subject to change as additional analysis is performed. The values assigned to the assets acquired and liabilities assumed are based on preliminary valuations, for the ESOL acquisition, and are subject to change as the Company obtains additional information during the remaining measurement period. In addition, the historical ESOL results included $8.9 million for the six months ended June 30, 2020 and $8.9 million and $17.8 million for the three and six months ended June 30, 2019, respectively, of corporate expenses charged to ESOL from Stericycle.

	Three Months Ended				Six Months Ended
	June 30				June 30
(In millions)	2020		2019		2020		2019
Pro forma revenues	$	447.3	$	564.4	$	976.8	$	1,078.1
Pro forma net income (including discontinued operations)	2.0		23.5		2.7		12.8

Harsco Industrial Segment

In January 2020 the Company sold IKG for $85 million, including a note receivable with a face value of $40.0 million (initial fair value $34.3 million), and recognized a gain on the sale of $18.4 millionpre-tax (or approximately $9 million after-tax). This disposal along with the disposals of AXC and PK in 2019, represent a strategic shift and accelerates the transformation of the Company's portfolio of businesses into a global, market-leading, single-thesis environmental solutions platform. See Note 4, Accounts Receivable and Note Receivable, for additional information related to the note receivable.

The Harsco Industrial Segment has historically been a separate reportable segment with primary operations in North America and Latin America. In accordance with U.S. GAAP, the results of the former Harsco Industrial Segment are presented as discontinued operations and, as such, have been excluded from both continuing operations and segment results for the three months ended June 30, 2020 and 2019.

Certain key selected financial information included in net income from discontinued operations for the former Harsco Industrial Segment is as follows:

	Three Months Ended				Six Months Ended
	June 30				June 30
(In millions)	2020		2019		2020		2019
Amounts directly attributable to the former Harsco Industrial Segment:
Total revenues	$	—	$	116,796	$	10,203	$	234,182
Cost of products sold	—		85,319		8,082		173,014
Income from discontinued business	(95)		9,882		123		24,074
Additional amounts allocated to the former Harsco Industrial Segment:
Selling, general and administrative expenses (e)	$	(77)	$	3,527	$	1,189	$	3,527
Interest expense (f)	—		7,005		—		11,237

(e) The Company has allocated directly attributable transaction costs to discontinued operations.

(f) The Company has allocated interest expense, including a portion of the amount reclassified into income for the Company's interest rate swaps and amortization of deferred financing costs resulting from the AXC disposal, as part of discontinued operations.

The Company has retained corporate overhead expenses previously allocated to the Harsco Industrial Segment of $1.4 million for the three months ended June 30, 2019 and $2.8 million for the six months ended June 30, 2019, as part of Selling, general and administrative expenses, on the Company's Condensed Consolidated Statements of Operations.

The following is selected financial information included on the Company's Condensed Consolidated Statements of Cash Flows attributable to the former Harsco Industrial Segment:

	Six Months Ended
	June 30
(In millions)	2020		2019
Non-cash operating items
Depreciation and amortization	$	—	$	3,301
Cash flows from investing activities
Purchases of property, plant and equipment	106		5,221

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Accounts Receivable (Notes)

6 Months Ended

Jun. 30, 2020

Receivables [Abstract]

Accounts and Nontrade Receivable [Text Block]

Accounts Receivable and Note Receivable

Accounts receivable are stated at net realizable value which represents the face value of the receivable less an allowance for expected credit losses. The allowance for expected credit losses is maintained for expected lifetime losses resulting from the inability or unwillingness of customers to make required payments.

The Company’s expected credit loss allowance methodology for accounts receivable is developed using historical collection experience, current and future economic and market conditions and a review of the current status of customers' trade accounts receivables. When required, the Company adjusts the loss-rate methodology to account for current conditions and reasonable and supportable expectations of future economic and market conditions. The Company generally assesses future economic conditions for a period which corresponds with the contractual life of its accounts receivables. Additionally, specific allowance amounts are established to record the appropriate provision for customers that have a higher probability of default.

Prior to the adoption of the new methodology, the Company established an allowance for doubtful accounts based upon a specific-identification method as well as historical collection experience, as appropriate.

Accounts receivable consist of the following:

(In thousands)	June 30 2020		December 31 2019
Trade accounts receivable	$	413,638	$	323,502
Less: Allowance for expected credit losses and doubtful accounts (a) (b)	(7,073)		(13,512)
Trade accounts receivable, net	$	406,565	$	309,990
Other receivables (c)	$	19,601	$	21,265

(a) The decrease in the allowance for expected credit losses and doubtful accounts is the final write-off of previously fully-reserved balances in the Harsco Environmental Segment.

(b) Upon the acquisition of ESOL, trade accounts receivable were recorded at $124.1 million, which included approximately $12.1 million of allowance for expected credit losses that was netted against the gross receivable balance as of the acquisition date.

(c)  Other receivables include employee receivables, insurance receivable, tax claims and other miscellaneous items not included in Trade accounts receivable, net.

The change in the provision for expected credit losses and doubtful accounts related to trade accounts receivable was as follows:

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands)	2020		2019		2020		2019
Provision for expected credit losses and doubtful accounts related to trade accounts receivable	$	18	$	5,433	$	237	$	5,423

At June 30, 2020 approximately $4.6 million of the Company's trade accounts receivable were past due by twelve months or more. Approximately $1 million of this amount is reserved, although collection of the remaining balance is still ultimately expected.

In January 2020 the Company sold IKG for $85 million including cash and a note receivable, subject to post-closing adjustments. The note receivable from the buyer has a face value of $40 million bearing interest at 2.50% that is paid in kind and matures on January 31, 2027. Any unpaid principal, along with any accrued but unpaid interest is payable at maturity. Prepayment is required in case of a change in control or a percentage of excess cash flow, as defined in the note receivable agreement. Because there are no scheduled payments under the terms of the note receivable, the balance is not classified as current as of June 30, 2020 and is included in the caption Other assets on the Condensed Consolidated Balance Sheet. The initial fair value of the note receivable was $34.3 million which was calculated using an average of various discounted cash flow scenarios based on anticipated timing of repayments (Level 3) and was a non-cash transaction. The note receivable is subsequently measured at amortized cost. Key inputs into the valuation model include: projected timing and amount of cash flows, pro forma debt rating, option-adjusted spread and U.S. Treasury spot rate. At June 30, 2020 the amortized cost of the note receivable was $35.0 million, compared with a fair value of $34.7 million.

(In thousands)	June 30 2020		December 31 2019
Note receivable	$	34,977	$	—

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Inventories

6 Months Ended

Jun. 30, 2020

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consist of the following:

(In thousands)	June 30 2020		December 31 2019
Finished goods	$	13,233	$	14,550
Work-in-process	12,107		13,088
Raw materials and purchased parts	117,900		104,488
Stores and supplies	30,333		24,865
Total inventories	$	173,573	$	156,991

During 2016 the Company recognized an initial estimated forward loss provision related to the contracts with SBB of $45.1 million. The Company recorded an additional forward loss provision of $1.8 million during 2018. At June 30, 2020 the entire remaining estimated forward loss provision of $7.0 million is included as Other current liabilities on the Company's Condensed Consolidated Balance Sheets. The estimated forward loss provision represents the Company's best estimate based on currently available information. It is possible that the Company's overall estimate of costs to complete these contracts may increase, which would result in an additional estimated forward loss provision at such time.

The Company recognized $7.6 million and $5.9 million of revenues for the contracts with SBB at zero margin, on an over time basis, utilizing a cost-to-cost method for the three months ended June 30, 2020 and 2019, respectively, and $17.7 million and $10.6 million for the six months ended June 30, 2020 and 2019, respectively. Consolidated product revenue gross margins were not significantly impacted by the revenue recognized under the SBB contracts for the three and six months ended June 30, 2020 and 2019. The Company has substantially completed the first contract and is approximately 56% complete on the second contract with SBB as of June 30, 2020.

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Property, Plant and Equipment

6 Months Ended

Jun. 30, 2020

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

Property, plant and equipment consists of the following:

(In thousands)	June 30 2020		December 31 2019
Land	$	75,579	$	30,409
Land improvements	18,461		19,155
Buildings and improvements	219,883		182,795
Machinery and equipment	1,473,061		1,518,652
Uncompleted construction	58,499		55,592
Gross property, plant and equipment	1,845,483		1,806,603
Less: Accumulated depreciation	(1,211,131)		(1,244,817)
Property, plant and equipment, net	$	634,352	$	561,786

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Leases

6 Months Ended

Jun. 30, 2020

Leases [Abstract]

Leases

Leases

The components of lease expense were as follows:

	Three Months Ended				Six Months Ended
(In thousands)	June 30 2020		June 30 2019		June 30 2020		June 30 2019
Finance leases:
Amortization expense	$	367	$	312	$	738	$	586
Interest on lease liabilities	44		37		96		41
Operating leases	8,904		3,435		13,188		7,127
Variable and short-term lease expense	10,485		4,818		17,596		9,609
Sublease income	(48)		—		(98)		—
Total lease expense from continuing operations	$	19,752	$	8,602	$	31,520	$	17,363

Supplemental cash flow information related to leases was as follows:

	Six Months Ended
(In thousands)	June 30 2020		June 30 2019
Cash paid for amounts included in the measurement of lease liabilities:
Cash flows from operating activities - Operating leases	$	12,384	$	6,743
Cash flows from financing activities - Finance leases	663		637
Right-of-use assets obtained in exchange for lease obligations:
Operating leases (a)	$	67,534	$	50,696
Finance leases	1,234		1,692

(a)  Cash flows for the six months ended June 30, 2020 include ROU assets of approximately $56.0 million that were recorded upon the acquisition of ESOL. Cash flows for six months ended June 30, 2019 include ROU assets of approximately $34 million that were recorded upon adoption at January 1, 2019 and $14.4 million that were recorded upon the acquisition of Clean Earth. See Note 3, Acquisitions and Dispositions, for additional information..

Supplemental balance sheet information related to leases was as follows: 

(In thousands)	June 30 2020		December 31 2019
Operating Leases:
Operating lease right-of-use assets	$	101,743	$	52,065
Current portion of operating lease liabilities	27,850		$	12,544
Operating lease liabilities	71,553		36,974
Finance Leases:
Property, plant and equipment, net	$	3,891	$	3,519
Current maturities of long-term debt	1,289		$	1,237
Long-term debt	2,735		2,218

Supplemental additional information related to leases is as follows:

	June 30 2020		December 31 2019
Other information:
Weighted average remaining lease term - Operating leases (in years)	8.33		11.57
Weighted average remaining lease term - Finance leases (in years)	3.77		4.01
Weighted average discount rate - Operating leases	6.1	%	6.3	%
Weighted average discount rate - Finance leases	4.2	%	4.2	%

Maturities of lease liabilities were as follows:

(In thousand)	Operating Leases		Finance Leases
Year Ending December 31st:
2020 (excluding the six months ended June 30, 2020)	$	16,446	$	691
2021	27,125		1,208
2022	20,395		949
2023	15,786		749
2024	10,735		587
After 2024	41,421		43
Total lease payments	131,908		4,227
Less: Imputed interest	(32,505)		(203)
Total	$	99,403	$	4,024

The Company's leases, excluding short-term leases, have remaining terms of less than one year to 30.3 years, some of which include options to extend for up to 10 years, and some of which include options to terminate within one year. As of

June 30, 2020 the Company had no material operating leases that had not yet commenced. There are no material residual value guarantees or material restrictive covenants.

Leases

Leases

The components of lease expense were as follows:

	Three Months Ended				Six Months Ended
(In thousands)	June 30 2020		June 30 2019		June 30 2020		June 30 2019
Finance leases:
Amortization expense	$	367	$	312	$	738	$	586
Interest on lease liabilities	44		37		96		41
Operating leases	8,904		3,435		13,188		7,127
Variable and short-term lease expense	10,485		4,818		17,596		9,609
Sublease income	(48)		—		(98)		—
Total lease expense from continuing operations	$	19,752	$	8,602	$	31,520	$	17,363

Supplemental cash flow information related to leases was as follows:

	Six Months Ended
(In thousands)	June 30 2020		June 30 2019
Cash paid for amounts included in the measurement of lease liabilities:
Cash flows from operating activities - Operating leases	$	12,384	$	6,743
Cash flows from financing activities - Finance leases	663		637
Right-of-use assets obtained in exchange for lease obligations:
Operating leases (a)	$	67,534	$	50,696
Finance leases	1,234		1,692

(a)  Cash flows for the six months ended June 30, 2020 include ROU assets of approximately $56.0 million that were recorded upon the acquisition of ESOL. Cash flows for six months ended June 30, 2019 include ROU assets of approximately $34 million that were recorded upon adoption at January 1, 2019 and $14.4 million that were recorded upon the acquisition of Clean Earth. See Note 3, Acquisitions and Dispositions, for additional information..

Supplemental balance sheet information related to leases was as follows: 

(In thousands)	June 30 2020		December 31 2019
Operating Leases:
Operating lease right-of-use assets	$	101,743	$	52,065
Current portion of operating lease liabilities	27,850		$	12,544
Operating lease liabilities	71,553		36,974
Finance Leases:
Property, plant and equipment, net	$	3,891	$	3,519
Current maturities of long-term debt	1,289		$	1,237
Long-term debt	2,735		2,218

Supplemental additional information related to leases is as follows:

	June 30 2020		December 31 2019
Other information:
Weighted average remaining lease term - Operating leases (in years)	8.33		11.57
Weighted average remaining lease term - Finance leases (in years)	3.77		4.01
Weighted average discount rate - Operating leases	6.1	%	6.3	%
Weighted average discount rate - Finance leases	4.2	%	4.2	%

Maturities of lease liabilities were as follows:

(In thousand)	Operating Leases		Finance Leases
Year Ending December 31st:
2020 (excluding the six months ended June 30, 2020)	$	16,446	$	691
2021	27,125		1,208
2022	20,395		949
2023	15,786		749
2024	10,735		587
After 2024	41,421		43
Total lease payments	131,908		4,227
Less: Imputed interest	(32,505)		(203)
Total	$	99,403	$	4,024

The Company's leases, excluding short-term leases, have remaining terms of less than one year to 30.3 years, some of which include options to extend for up to 10 years, and some of which include options to terminate within one year. As of

June 30, 2020 the Company had no material operating leases that had not yet commenced. There are no material residual value guarantees or material restrictive covenants.

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Goodwill and Other Intangible Assets

6 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

Goodwill and Other Intangible Assets

The following table reflects the changes in carrying amounts of goodwill by segment for the six months ended June 30, 2020:

(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Balance at December 31, 2019	$	395,113	$	330,230	$	13,026	$	738,369
Changes to goodwill (a)	1,479		152,300		—		153,779
Foreign currency translation	(10,483)		—		—		(10,483)
Balance at June 30, 2020	$	386,109	$	482,530	$	13,026	$	881,665

(a) The changes to goodwill primarily relate to the acquisition of ESOL in the Harsco Clean Earth Segment, See note 3, Acquisitions and Dispositions, and an immaterial acquisitions in the Harsco Environmental Segment.

The Company tests for goodwill impairment annually, or more frequently if indicators of impairment exist, or if a decision is made to dispose of a business.  The Company performs the annual goodwill impairment test as of October 1 and monitors for triggering events on an ongoing basis.  The Company determined that, as of June 30, 2020, no interim goodwill impairment testing was necessary. 

The Company has concluded that no triggering event occurred during the three months ended June 30, 2020. However, a prolonged economic downturn resulting from COVID-19 could impact the Company's future projected cash flows used to estimate fair value, and/or result in a sustained decrease in the Company’s share price, which could indicate an impairment.

Intangible assets, net on the Company's Condensed Consolidated Balance Sheets consist of the following:

	June 30, 2020				December 31, 2019
(In thousands)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer related	$	165,770	$	101,512	$	143,996	$	99,327
Permits	308,432		11,028		170,322		4,694
Technology related	36,411		6,966		36,467		5,635
Trade names	31,525		3,452		31,719		2,182
Air rights	26,139		743		26,139		411
Patents	185		130		249		168
Non-compete Agreement	2,500		156		—		—
Other	3,608		1,138		3,765		1,158
Total	$	574,570	$	125,125	$	412,657	$	113,575

Amortization expense for intangible assets was as follows:

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands)	2020		2019		2020		2019
Amortization expense for intangible assets	$	8,352	$	1,901	$	14,270	$	3,840

The estimated amortization expense for the next five fiscal years based on current intangible assets is as follows:

(In thousands)	2020		2021		2022		2023		2024
Estimated amortization expense (b)	$	31,200	$	32,300	$	31,600	$	31,600	$	31,100

(b)  These estimated amortization expense amounts do not reflect the potential effect of future foreign currency exchange fluctuations.

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Debt and Credit Agreements

6 Months Ended

Jun. 30, 2020

Debt Disclosure [Abstract]

Debt and Credit Agreements

Debt and Credit Agreements

In March 2020 the Company raised $280 million pursuant to the New Term Loan as a new tranche under the existing Senior Secured Credit Facilities. There were no borrowings outstanding under the New Term Loan at March 31, 2020. The New Term Loan was fully drawn on April 6, 2020 to partially fund the acquisition of ESOL. See Note 3, Acquisition and Dispositions for additional information related to the ESOL acquisition. Borrowings under the New Term Loan bear interest at a rate per annum ranging from 150 to 225 basis points over adjusted LIBOR (as defined in the Credit Agreement). The New Term Loan will mature on June 28, 2024. The Company capitalized $1.9 million of fees related to the issuance of the New Term Loan, all of which have been principally paid as of June 30, 2020.

In both March 2020 and June 2020, the Company amended the Senior Secured Credit Facilities to increase the net debt to consolidated adjusted EBITDA ratio covenant. As a result of these amendments, the net debt to consolidated adjusted EBITDA ratio covenant has been increased to 5.25 for June 30, 2020, 5.75 through March 2021 and then decreasing quarterly until reaching 4.75 in December 2021. There is no change to the previously agreed interest rates as long as the Company's total leverage ratio does not equal or exceed 4.50 at which time it would increase by 25 basis points. During the three and six months ended June 30, 2020, the Company recognized $1.4 million and $1.9 million respectively, of fees and expenses related to the amended Senior Secured Credit Facilities in the caption Unused debt commitment and amendment fees on the Condensed Consolidated Statement of Operations.

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Employee Benefit Plans

6 Months Ended

Jun. 30, 2020

Retirement Benefits [Abstract]

Employee Benefit Plans

Employee Benefit Plans

	Three Months Ended
	June 30
Defined Benefit Pension Plans Net Periodic Pension Cost (Benefit)	U.S. Plans				International Plans
(In thousands)	2020		2019		2020		2019
Service costs	$	—	$	10	$	426	$	357
Interest costs	1,845		2,651		4,235		5,548
Expected return on plan assets	(2,842)		(2,593)		(9,833)		(9,319)
Recognized prior service costs	—		—		106		65
Recognized loss	1,225		1,405		3,532		3,577
Settlement/curtailment losses	—		129		—		—
Defined benefit pension plans net periodic pension cost (benefit)	$	228	$	1,602	$	(1,534)	$	228

	Six Months Ended
	Jun 30
Defined Benefit Pension Plans Net Periodic Pension Cost (Benefit)	U.S. Plans				International Plans
(In thousands)	2020		2019		2020		2019
Service costs	$	—	$	20	$	855	$	713
Interest costs	3,690		5,302		8,630		11,212
Expected return on plan assets	(5,684)		(5,186)		(20,023)		(18,836)
Recognized prior service costs	—		—		213		131
Recognized loss	2,650		2,810		7,187		7,230
Settlement/curtailment losses	—		129		—		—
Defined benefit pension plans net periodic pension cost (benefit)	$	656	$	3,075	$	(3,138)	$	450

	Three Months Ended				Six Months Ended
Company Contributions	June 30				June 30
(In thousands)	2020		2019		2020		2019
Defined benefit pension plans (U.S.)	$	460	$	2,011	$	2,487	$	3,490
Defined benefit pension plans (International)	1,493		3,131		11,553		12,401
Multiemployer pension plans	379		483		788		1,004
Defined contribution pension plans	1,897		2,969		5,066		6,359

The Company's estimate of expected contributions to be paid during the remainder of 2020 for the U.S. and international defined benefit pension plans are $5.7 million and $8.4 million, respectively. The recently enacted CARES Act allows for the deferral, until 2021, of certain expected pension contributions in the U.S. The Company is currently evaluating this alternative.

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Income Taxes	6 Months Ended
	Jun. 30, 2020
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes Income tax benefit related to continuing operations for the three and six months ended June 30, 2020 was $2.3 million and $3.0 million, respectively. Income tax expense related to continuing operations for the three and six months ended June 30, 2019 was $4.0 million and $5.2 million, respectively. The change in the income tax benefit for the three and six months ended June 30, 2020 compared with the income tax expense for the three months and six months ended June 30, 2019 is the result of lower taxable income, primarily resulting from decreased operating income as a result of the impacts of COVID-19 and incremental acquisition and integration costs of approximately $5 million and $16 million for the three and six months ended June 30, 2020, respectively, to support the ESOL acquisition.An income tax benefit from an uncertain tax position may be recognized when it is more likely than not that the position will be sustained upon examination, based on technical merits, including resolutions of any related appeals or litigation processes. The reserve for uncertain tax positions at June 30, 2020 was $3.7 million, including interest and penalties.  Within the next twelve months, it is reasonably possible that $0.3 million unrecognized income tax benefits will be recognized upon settlement of tax examinations and the expiration of various statutes of limitations.

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2020

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Environmental  

The Company is involved in a number of environmental remediation investigations and cleanups and, along with other companies, has been identified as a “potentially responsible party” for certain byproduct disposal sites.  While each of these matters is subject to various uncertainties, it is probable that the Company will agree to make payments toward funding certain of these activities, and it is possible that some of these matters will be decided unfavorably to the Company.  The Company has evaluated its potential liability, and its financial exposure is dependent upon such factors as the continuing evolution of environmental laws and regulatory requirements, the availability and application of technology, the allocation of cost among potentially responsible parties, the years of remedial activity required and the remediation methods selected. 

The Company evaluates its liability for future environmental remediation costs on a quarterly basis. Although actual costs to be incurred at identified sites in future periods may vary from the estimates (given inherent uncertainties in evaluating environmental exposures), the Company does not expect that any costs that are reasonably possible to be incurred by the Company in connection with environmental matters in excess of the amounts accrued would have a material adverse effect on the Company's financial condition, results of operations or cash flows.

The following table summarizes information related to the location and undiscounted amount of the Company's environmental liabilities:

(In thousands)	June 30 2020		December 31 2019
Current portion of environmental liabilities (a)	$	6,115	$	3,431
Long-term environmental liabilities	30,027		5,600
Total environmental liabilities	$	36,142	$	9,031

(a) The current portion of environmental liabilities is included in the caption Other current liabilities on the Company's Condensed Consolidated Balance Sheets.

Environmental liabilities relate primarily to the ESOL business which was acquired on April 6, 2020. As part of the ESOL acquisition, the Company assumed control of certain, closed sites that were being monitored as part of ongoing environmental remediation plans. See Note 3, Acquisitions and Dispositions, for additional details.

On June 25 and 26, 2018, the DTSC conducted a compliance enforcement inspection of ESOL’s facility in Rancho Cordova, California, which was then owned by Stericycle, Inc. On February 14, 2020, the DTSC filed an action in the Superior Court for the State of California, Sacramento Division, alleging violations of California’s Hazardous Waste Control Law and the facility’s hazardous waste permit arising from the inspection. That action is ongoing. Separately, Stericycle, Inc. received from DTSC a written Intent to Deny Hazardous Waste Facility Permit Application dated August 5, 2019 for the Rancho Cordova facility. The DTSC has yet to issue a final permit decision. If the DTSC were to deny the permit renewal, the Company would have the right to file an administrative appeal. The Company has not accrued any amounts in respect of these alleged violations and cannot estimate the reasonably possible loss or the range of reasonably possible losses that it may incur. The Company is unable to make such an estimate because litigation is by its nature uncertain and unpredictable. Pursuant to the terms of the Company’s acquisition of ESOL, the Company is indemnified for certain costs and expenses associated with this matter by Stericycle, Inc.

As previously disclosed, the Company has had ongoing meetings with the SCE over processing salt cakes, a processing byproduct, stored at the Al Hafeerah site. The Company’s Bahrain operations that produced the salt cakes has ceased operations and are owned under a strategic venture for which its strategic venture partner owns a 35% minority interest. An Environmental Impact Assessment and Technical Feasibility Study were approved by the SCE during the first quarter of 2018. The Company is constructing facilities to process the salt cakes, and the Company currently expects those facilities to come online in 2020. The Company has previously established a reserve of $7.0 million, which represents the Company's best estimate of the ultimate costs to be incurred to resolve this matter. The Company continues to evaluate this reserve and any future change in estimated costs could be material to the Company’s results of operations in any one period.

On July 27, 2018 Brazil’s Federal and Rio de Janeiro State Public Prosecution Offices (MPF and MPE) filed a Civil Public Action against one of the Company's customers (CSN), the Company’s Brazilian subsidiary, the Municipality of Volta Redonda, Brazil, and the Instituto Estadual do Ambiente (local environmental protection agency) seeking the implementation of various measures to limit and reduce the accumulation of customer-owned slag at the site in Brazil. On August 6, 2018 the 3rd Federal Court in Volta Redonda granted the MPF and MPE an injunction against the same parties requiring, among other things, CSN and the Company’s Brazilian subsidiary to limit the volume of slag sent to the site. Because the customer owns the site and the slag located on the site, the Company believes that complying with this injunction is the steel producer’s responsibility.  On March 18, 2019 the Court issued an order fining the Company 5,000 Brazilian reais per day (or approximately $900 per day) and CSN 20,000 Brazilian reais per day (or approximately $4,000 per day) until the requirements of the injunction are met. On November 1, 2019 the Court issued an additional order increasing the fines assessed to the Company to 25,000 Brazilian reais per day (or approximately $5,000 per day) and raising the fines assessed to CSN to

100,000 Brazilian reais per day (or approximately $19,000 per day). The Court also assessed an additional fine of

10,000,000 Brazilian reais (or approximately $1,900,000) against CSN and the Company jointly. The Company is appealing the fines and the underlying injunction.  Both the Company and CSN continue to have discussions with the governmental authorities on the injunction and the possible resolution of the underlying case. The Company does not believe that a loss relating to this matter is probable or estimable at this point.

On October 19, 2018 local environmental authorities issued an enforcement action against the Company concerning the Company’s operations at a customer site in Ijmuiden, Netherlands.  The enforcement action alleges violations of the Company’s environmental permit at the site, which restricts the release of any visible dust emissions.  The enforcement action ordered the Company to cease all violations of the permit by October 31, 2018.  The authorities have issued three additional enforcement actions since that time and have asserted fines of approximately $0.5 million which the Company has recorded, with the possibility of additional fines for any future violations.  The Company is vigorously contesting the enforcement action and fines and is also working with its customer to ensure the control of emissions.  The Company has contractual indemnity rights from its customer, should it be required to pay the assessed fines. 

On June 13, 2019 the PA DEP indicated to the Company and a landowner who received processed slag from the Company that it plans to require action to bring the landowner’s site into compliance and to assess a civil penalty against the Company and the landowner. The Company is working with the landowner and PA DEP to determine the most effective way to address PA DEP’s concerns about the site and has established a $0.4 million reserve, which represents the Company’s best estimate of the costs to bring the landowner's site into compliance.

On March 24, 2017 the Allegheny County Health Department issued a notice of violation against the Company concerning the Company’s operations at a customer site in Natrona, Pennsylvania.  On January 21, 2020 the Company paid $0.1 million to settle the civil penalties accrued up to that date. In April 2020, the Company received a penalty assessment of $4,500 for three alleged additional events. It is possible the Company could incur additional penalties for future violations.  Pursuant to the settlement agreement, the Company and its customer have also agreed to construct and bring certain slag processing operations into a building.

DEA Investigation

Prior to the Company’s acquisition of ESOL, Stericycle, Inc, notified the Company that the DEA had served an administrative subpoena on Stericycle, Inc. and executed a search warrant at a facility in Rancho Cordova, California and an administrative inspection warrant at a facility in Indianapolis, Indiana. The Company has determined that the DEA and the DTSC have launched investigations involving, at least in part, the ESOL business of collecting, transporting, and destroying controlled substances from retail customers that transferred from Stericycle, Inc. to the Company. In connection with these investigations, the DEA also executed a search warrant on an ESOL facility in Austin Texas on July 2, 2020. The Company is cooperating with these inquiries, which relate primarily to the period before the Company owned the ESOL business. Since the acquisition of the ESOL business, the Company has performed a vigorous review of ESOL’s compliance program related to controlled substances and has made material changes to the manner in which controlled substances are transported from retail customers to DEA-registered facilities for destruction. The Company has not accrued any amounts in respect of these investigations and cannot estimate the reasonably possible loss or the range of reasonably possible losses that it may incur, if any. Investigations of this type are by their nature uncertain and unpredictable. While it is the Company’s position that it has recourse for some or all liabilities, if any, that arise from these matters under the ESOL purchase agreement, there can be no assurances that the Company’s position will ultimately prevail.

Brazilian Tax Disputes

The Company is involved in a number of tax disputes with federal, state and municipal tax authorities in Brazil. These disputes are at various stages of the legal process, including the administrative review phase and the collection action phase, and include assessments of fixed amounts of principal and penalties, plus interest charges that increase at statutorily determined amounts per month and are assessed on the aggregate amount of the principal and penalties. In addition, the losing party, at the collection action or court of appeals phase, could be subject to a charge to cover statutorily mandated legal fees, which are generally calculated as a percentage of the total assessed amounts due, inclusive of penalty and interest. Many of the claims relate to ICMS, services and social security tax disputes. The largest proportion of the assessed amounts relate to ICMS claims filed by the SPRA, encompassing the period from January 2002 to May 2005.

In October 2009 the Company received notification of the SPRA’s final administrative decision regarding the levying of ICMS in the State of São Paulo in relation to services provided to a customer in the State between January 2004 and May 2005.  As of June 30, 2020 the principal amount of the tax assessment from the SPRA with regard to this case is approximately $1.1 million, with penalty, interest and fees assessed to date increasing such amount by an additional $15.7 million.  On June 4, 2018 the Appellate Court of the State of Sao Paulo ruled in favor of the SPRA but ruled that the assessed penalty should be reduced to approximately $1 million. After calculating the interest accrued on the penalty, the Company estimates that this ruling reduces the current overall potential liability for this case to approximately $7 million. The Company has appealed the ruling in favor of the SPRA to the Superior Court of Justice. Due to multiple court precedents in the Company’s favor, as well as the Company’s ability to appeal, the Company does not believe a loss is probable.

Another ICMS tax case involving the SPRA refers to the tax period from January 2002 to December 2003. In December 2018 the administrative tribunal hearing the case upheld the Company's liability. The Company has appealed to the judicial phase. The aggregate amount assessed by the tax authorities in August 2005 was $4.7 million (the amounts with regard to this claim are valued as of the date of the assessment since it has not yet reached the collection phase), composed of a principal amount of $1.1 million, with penalty and interest assessed through that date increasing such amount by an additional $3.6 million.  On December 6, 2018 the administrative tribunal reduced the applicable penalties to $1.1 million. After calculating the interest accrued on the current penalty, the Company estimates that the current overall liability for this case to be approximately $9.3 million. All such amounts include the effect of foreign currency translation. Due to multiple court precedents in the Company's favor the Company does not believe a loss is probable.

The Company continues to believe that sufficient coverage for these claims exists as a result of the indemnification obligations of the Company's customer and such customer’s pledge of assets in connection with the October 2009 notice, as required by Brazilian law.

The Company intends to continue its practice of vigorously defending itself against these tax claims under various alternatives, including judicial appeal. The Company will continue to evaluate its potential liability with regard to these claims on a quarterly basis; however, it is not possible to predict the ultimate outcome of these tax-related disputes in Brazil. No loss provision has been recorded in the Company's condensed consolidated financial statements for the disputes described above because the loss contingency is not deemed probable, and the Company does not expect that any costs that are reasonably possible to be incurred by the Company in connection with Brazilian tax disputes would have a material adverse effect on the Company's financial condition, results of operations or cash flows.

Brazilian Labor Disputes

The Company is subject to ongoing collective bargaining and individual labor claims in Brazil through the Harsco Environmental Segment which allege, among other things, the Company's failure to pay required amounts for overtime and vacation at certain sites. The Company is vigorously defending itself against these claims; however, litigation is inherently unpredictable, particularly in foreign jurisdictions. While the Company does not currently expect that the ultimate resolution of these claims will have a material adverse effect on the Company’s financial condition, results of operations or cash flows, it is not possible to predict the ultimate outcome of these labor-related disputes. As of June 30, 2020 and December 31, 2019 the Company has established reserves of $4.6 million and $6.5 million, respectively, on the Company's Condensed Consolidated Balance Sheets for amounts considered to be probable and estimable.

Customer Disputes

The Company may, in the normal course of business, become involved in commercial disputes with subcontractors or customers. Although results of operations and cash flows for a given period could be adversely affected by a negative outcome in these or other lawsuits, claims or proceedings, management believes that the ultimate outcome of any ongoing matters will not have a material adverse effect on the Company's financial condition, results of operations or cash flows.

Other

The Company is named as one of many defendants (approximately 90 or more in most cases) in legal actions in the U.S. alleging personal injury from exposure to airborne asbestos over the past several decades.  In their suits, the plaintiffs have named as defendants, among others, many manufacturers, distributors and installers of numerous types of equipment or products that allegedly contained asbestos.

The Company believes that the claims against it are without merit. The Company has never been a producer, manufacturer or processor of asbestos fibers. Any asbestos-containing part of a Company product used in the past was purchased from a supplier and the asbestos encapsulated in other materials such that airborne exposure, if it occurred, was not harmful and is not associated with the types of injuries alleged in the pending actions.

At June 30, 2020 there were approximately 17,140 pending asbestos personal injury actions filed against the Company.  Of those actions, approximately 16,585 were filed in the New York Supreme Court (New York County), approximately 117 were filed in other New York State Supreme Court Counties and approximately 438 were filed in courts located in other states.

The complaints in most of those actions generally follow a form that contains a standard damages demand of $20 million or $25 million, regardless of the individual plaintiff’s alleged medical condition, and without identifying any specific Company product.

At June 30, 2020 approximately 16,550 of the actions filed in New York Supreme Court (New York County) were on the Deferred/Inactive Docket created by the court in December 2002 for all pending and future asbestos actions filed by persons who cannot demonstrate that they have a malignant condition or discernible physical impairment. The remaining approximately 35 cases in New York County are pending on the Active or In Extremis Docket created for plaintiffs who can demonstrate a malignant condition or physical impairment.

The Company has liability insurance coverage under various primary and excess policies that the Company believes will be available, if necessary, to substantially cover any liability that might ultimately be incurred in the asbestos actions referred to above. The costs and expenses of the asbestos actions are being paid by the Company's insurers.

In view of the persistence of asbestos litigation in the U.S., the Company expects to continue to receive additional claims in the future. The Company intends to continue its practice of vigorously defending these claims and cases. At June 30, 2020 the Company has obtained dismissal in approximately 28,253 cases by stipulation or summary judgment prior to trial.

It is not possible to predict the ultimate outcome of asbestos-related actions in the U.S. due to the unpredictable nature of this litigation, and no loss provision has been recorded in the Company's condensed consolidated financial statements because a loss contingency is not deemed probable or estimable. Despite this uncertainty, and although results of operations and cash flows for a given period could be adversely affected by asbestos-related actions, the Company does not expect that any costs that are reasonably possible to be incurred by the Company in connection with asbestos litigation would have a material adverse effect on the Company's financial condition, results of operations or cash flows.

The Company is subject to various other claims and legal proceedings covering a wide range of matters that arose in the ordinary course of business. In the opinion of management, all such matters are adequately covered by insurance or by established reserves, and, if not so covered, are without merit or are of such kind, or involve such amounts, as would not have a material adverse effect on the financial position, results of operations or cash flows of the Company.

Insurance liabilities are recorded when it is probable that a liability has been incurred for a particular event and the amount of loss associated with the event can be reasonably estimated. Insurance reserves have been estimated based primarily upon actuarial calculations and reflect the undiscounted estimated liabilities for ultimate losses, including claims incurred but not reported. Inherent in these estimates are assumptions that are based on the Company's history of claims and losses, a detailed analysis of existing claims with respect to potential value, and current legal and legislative trends. If actual claims differ from those projected by management, changes (either increases or decreases) to insurance reserves may be required and would be recorded through income in the period the change was determined. When a recognized liability is covered by third-party insurance, the Company records an insurance claim receivable to reflect the covered liability. Insurance claim receivables are included in Other receivables on the Company's Condensed Consolidated Balance Sheets. See Note 1, Summary of Significant Accounting Policies, to the consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019 for additional information on Accrued insurance and loss reserves.

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Reconciliation of Basic and Diluted Shares

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Reconciliation of Basic and Diluted Shares

Reconciliation of Basic and Diluted Shares

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands, except per share amounts)	2020		2019		2020		2019
Income (loss) from continuing operations attributable to Harsco Corporation common stockholders	$	(10,750)	$	(2,852)	$	(19,532)	$	7,622
Weighted-average shares outstanding:
Weighted-average shares outstanding - basic	78,987		80,328		78,874		80,119
Dilutive effect of stock-based compensation	—		—		—		1,955
Weighted-average shares outstanding - diluted	78,987		80,328		78,874		82,074
Earnings (loss) from continuing operations per common share, attributable to Harsco Corporation common stockholders:
Basic	$	(0.14)	$	(0.04)	$	(0.25)	$	0.10
Diluted	$	(0.14)	$	(0.04)	$	(0.25)	$	0.09

The following average outstanding stock-based compensation units were not included in the computation of diluted earnings per share because the effect was antidilutive:

	Three Months Ended		Six Months Ended
	June 30		June 30
(In thousands)	2020	2019	2020	2019
Restricted stock units	739	443	744	—
Stock appreciation rights	2,472	1,919	2,558	389
Performance share units	896	685	918	116

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Derivative Instruments, Hedging Activities and Fair Value

6 Months Ended

Jun. 30, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments, Hedging Activities and Fair Value

Derivative Instruments, Hedging Activities and Fair Value

Derivative Instruments and Hedging Activities

The Company uses derivative instruments, including foreign currency exchange forward contracts, interest rate swaps and CCIRs, to manage certain foreign currency and interest rate exposures.  Derivative instruments are viewed as risk management tools by the Company and are not used for trading or speculative purposes. All derivative instruments are recorded on the Company's Condensed Consolidated Balance Sheets at fair value.  The accounting for changes in the fair value of derivatives depends on the intended use of the derivative, whether the Company has elected to designate a derivative in a hedging relationship and apply hedge accounting and whether the hedging relationship has satisfied the criteria necessary to apply hedge accounting. Derivatives designated and qualifying as a hedge of the exposure to variability in expected future cash flows, or other types of forecasted transactions, are considered cash flow hedges. Hedge accounting generally provides for the matching of the timing of gain or loss recognition on the hedging instrument with the recognition of the earnings effect of the hedged forecasted transactions in a cash flow hedge. The Company may enter into derivative contracts that are intended to economically hedge certain of its risk, even though hedge accounting does not apply or the Company elects not to apply hedge accounting.

The Company primarily applies the market approach for recurring fair value measurements and endeavors to utilize the best available information.  Accordingly, the Company utilizes valuation techniques that maximize the use of observable inputs, such as forward rates, interest rates, the Company’s credit risk and counterparties’ credit risks, and which minimize the use of unobservable inputs.  The Company is able to classify fair value balances based on the ability to observe those inputs.  Foreign currency exchange forward contracts, interest rate swaps and CCIRs are based upon pricing models using market-based inputs (Level 2).  Model inputs can be verified and valuation techniques do not involve significant management judgment.

The fair value of outstanding derivative contracts recorded as assets and liabilities on the Company's Condensed Consolidated Balance Sheets was as follows:

(In thousands)	Balance Sheet Location	Fair Value of Derivatives Designated as Hedging Instruments		Fair Value of Derivatives Not Designated as Hedging Instruments		Total Fair Value
June 30, 2020
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	3,406	$	4,732	$	8,138
Total		$	3,406	$	4,732	$	8,138
Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Other current liabilities	$	159	$	1,006	$	1,165
Interest rate swaps	Other current liabilities	3,673		—		3,673
Interest rate swaps	Other liabilities	5,336		—		5,336
Total		$	9,168	$	1,006	$	10,174
December 31, 2019
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	2,039	$	946	$	2,985
Total		$	2,039	$	946	$	2,985
Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Other current liabilities	$	140	$	3,733	$	3,873
Interest rate swaps	Other current liabilities	2,098		—		2,098
Interest rate swaps	Other liabilities	4,281		—		4,281
Total		$	6,519	$	3,733	$	10,252

All of the Company's derivatives are recorded on the Company's Condensed Consolidated Balance Sheets at gross amounts and not offset. All of the Company's interest rate swaps, CCIRs and certain foreign currency exchange forward contracts are transacted under ISDA documentation. Each ISDA master agreement permits the net settlement of amounts owed in the event of default. The Company's derivative assets and liabilities subject to enforceable master netting arrangements, if offset, would result in a $2.5 million net liability at June 30, 2020 and would not have resulted in a net asset or liability at

December 31, 2019.

The effect of derivative instruments on the Company's Condensed Consolidated Statements of Operations and Condensed Consolidated Statements of Comprehensive Income (Loss) was as follows:

Derivatives Designated as Hedging Instruments

	Amount Recognized in OCI on Derivatives				Location of Amount Reclassified from  AOCI into Income	Amount Reclassified from AOCI into Income - Effective Portion or Equity
	Three Months Ended					Three Months Ended
	June 30					June 30
(In thousands)	2020		2019			2020		2019
Foreign currency exchange forward contracts	$	41	$	669	Product revenues	$	(332)	$	(389)
Interest rate swaps	—		—		Income from discontinued businesses	—		2,741
Interest rate swaps	(162)		(4,327)		Interest expense	732		(271)
Cross-currency interest rate swaps (a)	5		54		Interest expense	295		303
	$	(116)	$	(3,604)		$	695	$	2,384

	Amount Recognized in OCI on Derivatives				Location of Amount Reclassified from AOCI into Income	Amount Reclassified from Accumulated OCI into Income - Effective Portion or Equity
	Six Months Ended					Six Months Ended
	June 30					June 30
(In thousands)	2020		2019			2020		2019
Foreign currency exchange forward contracts	$	2,078	$	(43)	Product revenues/Cost of services sold	$	(1,736)	$	(421)
Interest rate swaps	—		—		Income from discontinued businesses	—		2,741
Interest rate swaps	(3,740)		(7,636)		Interest expense	1,110		(572)
Cross-currency interest rate swaps (a)	63		2		Interest expense	600		617
	$	(1,599)	$	(7,677)		$	(26)	$	2,365

(a) Amounts represent changes in foreign currency translation related to balances in AOCI.

The location and amount of gain (loss) recognized on the Company's Condensed Consolidated Statements of Operations was as follows:

	Three Months Ended
	June 30
	2020				2019
(in thousands)	Product Revenues		Interest Expense		Product Revenues		Cost of Services Sold		Interest Expense		Income From Discontinued Businesses
Total amounts of line items presented in the Condensed Consolidated Statement of Operations in which the effects of cash flow hedges are recorded	$	101,703	$	(14,953)	$	112,895	$	186,840	$	(6,103)	$	9,936
Interest rate swaps:
Amount of gain or (loss) reclassified from AOCI into income	—		(732)		—		—		271		—
Amount of gain or (loss) reclassified from AOCI into income as a result that a forecasted transaction is no longer probable of occurring	—		—		—		—		—		(2,741)

	Three Months Ended
	June 30
	2020		2019
(in thousands)	Product Revenues	Interest Expense	Product Revenues	Cost of Services Sold	Interest Expense	Income From Discontinued Businesses
Foreign exchange contracts:
Amount of gain or reclassified from AOCI into income	332	—	433	(44)	—	—
Amount excluded from effectiveness testing recognized in earnings based on changes in fair value	13	—	238	—	—	—
Amount excluded from the effectiveness testing recognized in earnings based on an amortization approach	21	—	—	—	—	—
Cross-currency interest rate swaps:
Amount of loss reclassified from AOCI into income	—	(295)	—	—	(303)	—

	Six Months Ended
	June 30
	2020				2019
(in thousands)	Product Revenues		Interest Expense		Product Revenues		Cost of Services Sold		Interest Expense		Income From Discontinued Operations
Total amounts of income and expense line items presented in the statement of financial performance in which the effects of cash flow hedges are recorded	$	209,205	$	(27,602)	$	213,277	$	368,711	$	(11,610)	$	23,686
Interest rate swaps:
Amount of gain or (loss) reclassified from AOCI into income	—		(1,110)		—		—		572		—
Amount of gain or (loss) reclassified from AOCI into income as a result that a forecasted transaction is no longer probable of occurring	—		—		—		—		—		(2,741)
Foreign exchange contracts:
Amount of gain or (loss) reclassified from AOCI into income	1,736		—		465		(44)		—		—
Amount excluded from effectiveness testing recognized in earnings based on changes in fair value	196		—		316		—		—		—
Amount excluded from the effectiveness testing recognized in earnings based on an amortization approach	21		—		—		—		—		—
Cross-currency interest rate swaps:
Amount of gain or (loss) reclassified from AOCI into income	—		(600)		—		—		(617)		—

Derivatives Not Designated as Hedging Instruments

	Location of Gain Recognized in Income on Derivatives	Amount of Gain Recognized in Income on Derivatives (b)
		Three Months Ended				Six Months Ended
		June 30				June 30
(In thousands)		2020		2019		2020		2019
Foreign currency exchange forward contracts	Cost of services and products sold	$	1,736	$	2,770	$	7,278	$	5,094

(b)   These gains offset amounts recognized in cost of services and products sold principally as a result of intercompany or third party foreign currency   

exposures.

Foreign Currency Exchange Forward Contracts

The Company conducts business in multiple currencies and, accordingly, is subject to the inherent risks associated with foreign exchange rate movements.  Foreign currency-denominated assets and liabilities are translated into U.S. dollars at the exchange rates existing at the respective balance sheet dates, and income and expense items are translated at the average exchange rates during the respective periods. 

The Company uses derivative instruments to hedge cash flows related to foreign currency fluctuations.  Foreign currency exchange forward contracts outstanding are part of a worldwide program to minimize foreign currency exchange operating income and balance sheet exposure by offsetting foreign currency exposures of certain future payments between the Company and various subsidiaries, suppliers or customers.  The unsecured contracts are with major financial institutions.  The Company may be exposed to credit loss in the event of non-performance by the contract counterparties.  The Company evaluates the creditworthiness of the counterparties and does not expect default by them.  Foreign currency exchange forward contracts are used to hedge commitments, such as foreign currency debt, firm purchase commitments and foreign currency cash flows for certain export sales transactions.

Changes in the fair value of derivatives used to hedge foreign currency denominated balance sheet items are reported directly in earnings, along with offsetting transaction gains and losses on the items being hedged.  Derivatives used to hedge forecasted cash flows associated with foreign currency commitments may be accounted for as cash flow hedges, as deemed appropriate, if the criteria for hedge accounting are met.  Gains and losses on derivatives designated as cash flow hedges are deferred in AOCI, a separate component of equity, and reclassified to earnings in a manner that matches the timing of the earnings impact of the hedged transactions.  The ineffective portion of all hedges, if any, is recognized currently in earnings.

At June 30, 2020 and December 31, 2019 the notional amounts of foreign currency exchange forward contracts were $453.0 million and $496.3 million, respectively. These contracts are primarily denominated in British pounds sterling and Euros and mature through October 2021.

In addition to foreign currency exchange forward contracts, the Company designates certain loans as hedges of net investments in international subsidiaries.  The Company recorded pre-tax net losses of $2.4 million and $12.1 million for the three and six months ended June 30, 2020, respectively and pre-tax net losses of $5.5 million and $0.7 million for the three and six months ended June 30, 2019, respectively, in AOCI.

Interest Rate Swaps

The Company uses interest rate swaps in conjunction with certain variable rate debt issuances in order to secure a fixed interest rate.  Changes in the fair value attributed to the effect of the swaps’ interest spread and changes in the credit worthiness of the counter-parties are recorded in AOCI. 

In January 2017 and February 2018 the Company entered into a series of interest rate swaps that cover the period from 2018 through 2022 and had the effect of converting $300.0 million of the Original Term Loan from floating-rate to fixed-rate.  The fixed rates provided by the swaps replace the adjusted LIBOR rate in the interest calculation, ranging from 2.45% for 2020 to 3.12% for 2022.

During June 2019 the Company effected the early termination of interest rate swaps that covered the period from 2019 through 2022 and had the effect of converting $100.0 million of the Original Term Loan from floating-rate to fixed-rate. This termination was conducted as a result of the Company's new Notes offering and required repayment of a portion of the Original Term Loan with proceeds from the AXC disposal. The total notional of the Company's interest rate swaps is $200.0 million as of June 30, 2020.

Cross-Currency Interest Rate Swaps

The Company may use CCIRs in conjunction with certain debt issuances in order to secure a fixed local currency interest rate. Under these CCIRs, the Company receives interest based on a fixed or floating U.S. dollar rate and pays interest on a fixed local currency rate based on the contractual amounts in dollars and the local currency, respectively. At maturity, there is also the payment of principal amounts between currencies. Changes in the fair value attributed to the effect of the swaps' interest spread and changes in the credit worthiness of the counter-parties are recorded in AOCI. Changes in value attributed to the effect of foreign currency fluctuations are recorded on the Company's Condensed Consolidated Statements of Operations and offset currency fluctuation effects on the debt principal. The Company had no outstanding CCIRs at June 30, 2020.

Fair Value of Other Financial InstrumentsThe carrying amounts of cash and cash equivalents, accounts receivable, accounts payable, accrued liabilities and short-term borrowings approximate fair value due to the short-term maturities of these assets and liabilities.  At June 30, 2020 and December 31, 2019 the total fair value of long-term debt (excluding deferred financing costs), including current maturities, was $1,251.4 million and $827.2 million, respectively, compared with a carrying value of $1,262.4 million and $795.0 million, respectively.  The increase in both the fair value and carrying value of long-term debt is related to borrowings under the New Term Loan and the Revolving Credit Facility to fund the acquisition of ESOL. See Note 3, Acquisitions and Dispositions for additional details. Fair values for debt are based on pricing models using market-based inputs (Level 2) for similar issues or on the current rates offered to the Company for debt of the same remaining maturities. See Note 4, Accounts Receivable and Note Receivable for fair value information related to the Company's Note Receivable obtained as part of the sale of the IKG business.

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Review of Operations by Segment

6 Months Ended

Jun. 30, 2020

Segment Reporting [Abstract]

Review of Operations by Segment

Review of Operations by Segment 

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands)	2020		2019		2020		2019
Revenues From Continuing Operations (a)
Harsco Environmental	$	203,991	$	269,338	$	445,550	$	530,650
Harsco Clean Earth	161,579		—		240,391		—
Harsco Rail	81,711		81,560		160,181		150,150
Total Revenues From Continuing Operations	$	447,281	$	350,898	$	846,122	$	680,800
Operating Income (Loss) From Continuing Operations (a)
Harsco Environmental	$	13,563	$	27,577	$	24,083	$	52,074
Harsco Clean Earth	(202)		—		4,043		—
Harsco Rail	8,631		9,443		15,103		14,832
Corporate	(20,124)		(19,221)		(38,480)		(29,283)
Total Operating Income From Continuing Operations	$	1,868	$	17,799	$	4,749	$	37,623
Depreciation (a)
Harsco Environmental	$	24,663	$	26,680	$	50,038	$	53,517
Harsco Clean Earth	5,138		—		7,759		—
Harsco Rail	1,257		1,125		2,472		2,222
Corporate	521		718		1,034		1,378
Total Depreciation	$	31,579	$	28,523	$	61,303	$	57,117
Amortization (a)
Harsco Environmental	$	1,921	$	1,817	$	3,857	$	3,685
Harsco Clean Earth	6,347		—		10,245		—
Harsco Rail	83		84		167		154
Corporate (b)	764		699		1,403		1,391
Total Amortization	$	9,115	$	2,600	$	15,672	$	5,230
Capital Expenditures (a)
Harsco Environmental	$	18,654	$	45,095	$	43,402	$	74,258
Harsco Clean Earth	3,045		—		4,487		—
Harsco Rail	1,297		6,365		2,836		10,281
Corporate	324		287		382		1,440
Total Capital Expenditures	$	23,320	$	51,747	$	51,107	$	85,979

(a)  The Company's acquisition of ESOL closed on April 6, 2020 and the Company's acquisition of Clean Earth closed on June 28, 2019. The operating results of the former Harsco Industrial Segment has been reflected as discontinued operations in the Company's Condensed Consolidated Statement of Operations for all periods presented. See Note 3, Acquisitions and Dispositions, for additional details.

(b)  Amortization expense on Corporate relates to the amortization of deferred financing costs.

Reconciliation of Segment Operating Income to Income (Loss) From Continuing Operations Before Income Taxes and Equity Income

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands)	2020		2019		2020		2019
Segment operating income	$	21,992	$	37,020	$	43,229	$	66,906
General Corporate expense	(20,124)		(19,221)		(38,480)		(29,283)
Operating income from continuing operations	1,868		17,799		4,749		37,623
Interest income	816		591		1,009		1,124
Interest expense	(14,953)		(6,103)		(27,602)		(11,610)
Unused debt commitment and amendment fees	(1,432)		(7,435)		(1,920)		(7,435)
Defined benefit pension income (expense)	1,723		(1,472)		3,312		(2,810)
Income (loss) from continuing operations before income taxes and equity income	$	(11,978)	$	3,380	$	(20,452)	$	16,892

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Revenue Recognition

6 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Revenue Recognition

The Company recognizes revenues to depict the transfer of promised services and products to customers in an amount that reflects the consideration the Company expects to receive in exchange for those services or products. Service revenues include the Harsco Clean Earth Segment and the service components of the Harsco Environmental and Harsco Rail Segments. Product revenues include portions of the Harsco Environmental and Harsco Rail Segments.

A summary of the Company's revenues by primary geographical markets as well as by key product and service groups is as follows:

	Three Months Ended
	June 30, 2020
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	57,356	$	161,579	$	56,461	$	275,396
Western Europe	82,972		—		16,855		99,827
Latin America (c)	25,108		—		515		25,623
Asia-Pacific	19,894		—		7,880		27,774
Middle East and Africa	14,793		—		—		14,793
Eastern Europe	3,868		—		—		3,868
Total Revenues	$	203,991	$	161,579	$	81,711	$	447,281
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	174,173	$	—	$	—	$	174,173
Applied products	26,591		—		—		26,591
Environmental systems for aluminum dross and scrap processing	3,227		—		—		3,227
Railway track maintenance equipment	—		—		40,411		40,411
After-market parts and services; safety and diagnostic technology	—		—		32,500		32,500
Railway contracting services	—		—		8,800		8,800
Waste processing, recycling, reuse and transportation solutions	—		161,579		—		161,579
Total Revenues	$	203,991	$	161,579	$	81,711	$	447,281

	Three Months Ended
	June 30, 2019
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	78,112	$	—	$	65,278	$	143,390
Western Europe	98,478		—		10,538		109,016
Latin America (c)	36,272		—		773		37,045
Asia-Pacific	35,779		—		4,971		40,750
Middle East and Africa	15,742		—		—		15,742
Eastern Europe	4,955		—		—		4,955
Total Revenues	$	269,338	$	—	$	81,560	$	350,898
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	230,395	$	—	$	—	$	230,395
Applied products	33,686		—		—		33,686
Environmental systems for aluminum dross and scrap processing	5,257		—		—		5,257
Railway track maintenance equipment	—		—		38,960		38,960
After-market parts and services; safety and diagnostic technology	—		—		36,700		36,700
Railway contracting services	—		—		5,900		5,900
Waste processing, recycling, reuse and transportation solutions	—		—		—		—
Total Revenues	$	269,338	$	—	$	81,560	$	350,898

	Six Months Ended
	June 30, 2020
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	127,237	$	240,391	$	110,234	$	477,862
Western Europe	179,289		—		35,019		214,308
Latin America (c)	58,368		—		1,180		59,548
Asia-Pacific	41,890		—		13,748		55,638
Middle East and Africa	30,682		—		—		30,682
Eastern Europe	8,084		—		—		8,084
Total Revenues	$	445,550	$	240,391	$	160,181	$	846,122
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	381,519	$	—	$	—	$	381,519
Applied products	56,853		—		—		56,853
Environmental systems for aluminum dross and scrap processing	7,178		—		—		7,178
Railway track maintenance equipment	—		—		83,026		83,026
After-market parts and services; safety and diagnostic technology	—		—		63,700		63,700
Railway contracting services	—		—		13,455		13,455
Waste processing, recycling, reuse and transportation solutions	—		240,391		—		240,391
Total Revenues	$	445,550	$	240,391	$	160,181	$	846,122

	Six Months Ended
	June 30, 2019
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	151,461	$	—	$	115,643	$	267,104
Western Europe	196,699		—		20,551		217,250
Latin America (c)	73,263		—		1,364		74,627
Asia-Pacific	69,917		—		12,592		82,509
Middle East and Africa	29,657		—		—		29,657
Eastern Europe	9,653		—		—		9,653
Total Revenues	$	530,650	$	—	$	150,150	$	680,800
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	454,456	$	—	$	—	$	454,456
Applied products	64,076		—		—		64,076
Environmental systems for aluminum dross and scrap processing	12,118		—		—		12,118
Railway track maintenance equipment	—		—		72,568		72,568
After-market parts and services; safety and diagnostic technology	—		—		68,001		68,001
Railway contracting services	—		—		9,581		9,581
Waste processing, recycling, reuse and transportation solutions	—		—		—		—
Total Revenues	$	530,650	$	—	$	150,150	$	680,800

(a) The Company's acquisition of ESOL closed on April 6, 2020 and the Company's acquisition of Clean Earth closed on June 28, 2019. The results of both are included in the Harsco Clean Earth Segment. The operating results of the former Harsco Industrial Segment have been reflected as discontinued operations in the Company's Condensed Consolidated Statement of Operations for all periods presented. See Note 3, Acquisitions and Dispositions, for additional details.

(b)  Revenues are attributed to individual countries based on the location of the facility generating the revenue.

(c)  Includes Mexico.

The Company may receive payments in advance of earning revenue, which are treated as Advances on contracts on the Company's Condensed Consolidated Balance Sheets. The Company may recognize revenue in advance of being able to contractually invoice the customer, which is treated as Contract assets on the Company's Condensed Consolidated Balance Sheets. Contract assets are transferred to Trade accounts receivable, net when right to payment becomes unconditional. Contract assets and Contract liabilities are reported as a net position, on a contract-by-contract basis, at the end of each reporting period. These instances are primarily related to the Harsco Rail Segment.

The Company had Contract assets totaling $59.0 million and $31.2 million at June 30, 2020 and December 31, 2019, respectively. The increase is due principally to recognition of additional contract assets in excess of contract assets transferred to accounts receivable during the six months ended June 30, 2020 primarily in the Harsco Rail Segment. The Company had Advances on contracts totaling $98.5 million and $60.3 million at June 30, 2020 and December 31, 2019, respectively. The increase is due principally to the receipt of new advances on contracts in excess of recognition of revenue primarily for the Deutsche Bahn contract in the Harsco Rail Segment. During the three and six months ended June 30, 2020 the Company recognized approximately $16 million and $34 million, respectively, of revenue related to amounts previously included in Advances on contracts. During the three and six months ended June 30, 2019 the Company recognized approximately $19 million and $37 million, respectively, of revenue related to amounts previously included in Advances on contracts.

At June 30, 2020 the Harsco Environmental Segment had remaining, fixed, unsatisfied performance obligations where the expected contract duration exceeds one year totaling $98.7 million. Of this amount, $33.0 million is expected to be fulfilled by June 30, 2021, $19.6 million by June 30, 2022, $16.3 million by June 30, 2023, $12.8 million by June 30, 2024 and the remainder thereafter. These amounts exclude any variable fees, fixed fees subject to indexation and any performance obligations expected to be satisfied within one year. The decrease from December 31, 2019 is primarily due to the renegotiation of a contract with a customer in the U.K. who had entered into administration.

At June 30, 2020 the Harsco Rail Segment had remaining, fixed, unsatisfied performance obligations where the expected contract duration exceeds one year totaling $360.7 million. Of this amount, $126.0 million is expected to be fulfilled by

June 30, 2021, $121.8 million by June 30, 2022, $55.2 million by June 30, 2023, $46.5 million by June 30, 2024 and the remainder thereafter. These amounts exclude any variable fees, fixed fees subject to indexation and any performance obligations expected to be satisfied within one year. The increase from December 31, 2019 is primarily attributable to new contract signings in U.S., India and Germany.

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Other (Income) Expenses, Net

6 Months Ended

Jun. 30, 2020

Other Income and Expenses [Abstract]

Other (Income) Expenses

Other (Income) Expenses, Net

The major components of this Condensed Consolidated Statements of Operations caption are as follows:

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands)	2020		2019		2020		2019
Employee termination benefit costs	$	441	$	997	$	5,896	$	3,516
Other costs to exit activities	289		1,192		465		2,347
Impaired asset write-downs	4		—		73		214
Contingent consideration adjustments	—		(3,880)		—		(3,511)
Net gains	(229)		—		(248)		(2,271)
Other	(797)		(26)		(745)		(269)
Other expenses, net	$	(292)	$	(1,717)	$	5,441	$	26

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Components of Accumulated Other Comprehensive Loss

6 Months Ended

Jun. 30, 2020

Equity [Abstract]

Components of Accumulated Other Comprehensive Loss

Components of Accumulated Other Comprehensive Loss

AOCI is included on the Company's Condensed Consolidated Statements of Equity. The components of AOCI, net of the effect of income taxes, and activity for the six months ended June 30, 2019 and 2020 was as follows:

	Components of AOCI - Net of Tax
(In thousands)	Cumulative Foreign Exchange Translation Adjustments			Effective Portion of Derivatives Designated as Hedging Instruments			Cumulative Unrecognized Actuarial Losses on Pension Obligations			Unrealized Gain (Loss) on Marketable Securities		Total
Balance at December 31, 2018	$	(159,810)		$	1,389		$	(408,655)		$	(31)	$	(567,107)
Adoption of new accounting standard	—			—			(21,429)		(a)	—		(21,429)
Other comprehensive income (loss) before reclassifications	2,775		(b)	(5,893)		(c)	2,192		(b)	25		(901)
Amounts reclassified from AOCI, net of tax	(2,271)			1,722			9,579			—		9,030
Total other comprehensive income (loss)	504			(4,171)			11,771			25		8,129
Other comprehensive income attributable to noncontrolling interests	178			—			—			—		178
Other comprehensive income (loss) attributable to Harsco Corporation	682			(4,171)			11,771			25		8,307
Balance at June 30, 2019	$	(159,128)		$	(2,782)		$	(418,313)		$	(6)	$	(580,229)

	Components of AOCI - Net of Tax
(In thousands)	Cumulative Foreign Exchange Translation Adjustments			Effective Portion of Derivatives Designated as Hedging Instruments			Cumulative Unrecognized Actuarial Losses on Pension Obligations			Unrealized Gain (Loss) on Marketable Securities		Total
Balance at December 31, 2019	$	(143,340)		$	(3,717)		$	(440,562)		$	(3)	$	(587,622)
Other comprehensive income (loss) before reclassifications	(65,677)		(b)	(1,146)		(c)	23,810		(b)	(31)		(43,044)
Amounts reclassified from AOCI, net of tax	12,906			(213)			13,380			—		26,073
Total other comprehensive income (loss)	(52,771)			(1,359)			37,190			(31)		(16,971)
Other comprehensive income attributable to noncontrolling interests	975			—			—			—		975
Other comprehensive income (loss) attributable to Harsco Corporation	(51,796)			(1,359)			37,190			(31)		(15,996)
Balance at June 30, 2020	$	(195,136)		$	(5,076)		$	(403,372)		$	(34)	$	(603,618)

(a)  Represents the adoption of the new accounting standard on January 1, 2019 related to stranded tax effects from the Tax Cuts and Jobs Act.

(b) Principally foreign currency fluctuation.

(c)  Net change from periodic revaluations.

Amounts reclassified from AOCI are as follows:

(In thousands)	Three Months Ended				Six Months Ended				Affected Caption on the Company's Condensed Consolidated Statements of Operations
	June 30 2020		June 30 2019		June 30 2020		June 30 2019
Recognition of cumulative foreign currency translation adjustments:
Gain on substantial liquidation of subsidiaries (d)	$	—	$	—	$	—	$	(2,271)	Other expenses, net
Loss on substantial liquidation of subsidiaries (d)	—		—		12,906		—		Gain on sale of discontinued business
Amortization of cash flow hedging instruments:
Foreign currency exchange forward contracts	$	(332)	$	(433)	$	(1,736)	$	(465)	Product revenues
Foreign currency exchange forward contracts	—		44		—		44		Cost of services sold
Cross-currency interest rate swaps	295		303		600		617		Interest expense
Interest rate swaps	732		(271)		1,110		(572)		Interest expense
Interest rate swaps	—		2,741		—		2,741		Income from discontinued businesses
Total before tax	695		2,384		(26)		2,365
Income taxes	(263)		(599)		(187)		(643)
Total reclassification of cash flow hedging instruments, net of tax	$	432	$	1,785	$	(213)	$	1,722
Amortization of defined benefit pension items (e):
Recognized losses	$	4,757	$	4,982	$	9,837	$	10,040	Defined benefit pension income (expense)
Recognized prior-service costs	106		65		213		131		Defined benefit pension income (expense)
Settlement/curtailment losses	—		129		—		129		Defined benefit pension income (expense)
Pension liability transfer - discontinued business	—		—		5,363		—		Gain on sale of discontinued business
Total before tax	4,863		5,176		15,413		10,300
Income taxes	(323)		(379)		(2,033)		(721)
Total reclassification of defined benefit pension items, net of tax	$	4,540	$	4,797	$	13,380	$	9,579

(d) No tax impact.

(e) These AOCI components are included in the computation of net periodic pension costs. See Note 10, Employee Benefit Plans, for additional details.

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Basis of Presentation (Policies)

6 Months Ended

Jun. 30, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

Basis of Presentation

The Company has prepared these unaudited condensed consolidated financial statements in accordance with U.S. GAAP for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X of the SEC. Accordingly, the unaudited condensed consolidated financial statements do not include all information and disclosure required by U.S. GAAP for annual financial statements. The December 31, 2019 Condensed Consolidated Balance Sheet information contained in this Quarterly Report on Form 10-Q was derived from the 2019 audited consolidated financial statements.  The unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements, including the notes thereto, included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019. In the opinion of management, all adjustments (all of which are of a normal recurring nature) that are necessary for a fair statement are reflected in the unaudited condensed consolidated financial statements. 

Restricted Cash

The Company had restricted cash of $2.3 million and $2.5 million at June 30, 2020 and December 31, 2019, respectively, and the restrictions are primarily related to collateral provided for certain guarantees of the Company's performance.

Acquisition of ESOL

On April 6, 2020 the Company completed the previously announced acquisition of ESOL, an established waste transportation, processing and services provider with a comprehensive portfolio of disposal solutions for customers primarily across the industrial, retail and healthcare markets from Stericycle, Inc. for $438.8 million in cash, subject to post-closing adjustments. See Note 3, Acquisitions and Dispositions, for additional information.

Segment Reporting

The Company reports information about operating segments using the "management approach," which is based on the way management organizes and reports the segments within the enterprise for making operating decisions and assessing performance. The Company's reportable segments are identified based upon differences in products, service and markets served. The Company has determined that the operations of ESOL will be combined and included as part of the Harsco Clean Earth Segment.

Impact of COVID-19

Beginning in early 2020 overall global economic conditions were significantly impacted by COVID-19. The continuing impact of COVID-19 on the Company varies by end market as well as local conditions (including applicable government mandates) and is continually evolving. The ultimate duration and impact of COVID-19 on the Company and its customers' operations is presently unclear, though the Company continues to operate as a provider of certain essential services in the U.S. and most other countries. The Company continues to take significant and proactive actions to protect all stakeholders and to minimize the operational and financial impacts of COVID-19 where possible.

The Company did not record any long-lived asset impairments, indefinite-lived asset impairments, goodwill impairments, significant inventory write-downs or incremental accounts receivable reserves for current expected credit losses during the three months or six months ended June 30, 2020, however such charges are possible in future periods, which could have an adverse effect on the Company's future results of operations, cash flows, or financial condition.

Discontinued Operations

In January 2020 the Company sold IKG and together with the 2019 sales of AXC and PK, this completes the divestiture of the former Harsco Industrial Segment originally announced in May 2019. These disposals represent a strategic shift and accelerated the transformation of the Company's portfolio of businesses into a leading provider of environmental solutions and services. As a result of these disposals (i) the carrying value of the remaining assets and liabilities of the Harsco Industrial Segment have been classified as Assets held-for-sale and Liabilities of assets held-for-sale on the Company's December 31, 2019 Condensed Consolidated Balance Sheets; (ii) the operating results of the Harsco Industrial Segment, costs directly related to the disposals, an allocation of interest expense associated with mandatory debt repayments required as a result of the disposals and the write-off of deferred financing costs resulting from the mandatory repayment have been reflected in the Company's Condensed Consolidated Statements of Operations as discontinued operations for all periods presented; and (iii) all disclosures have been updated to reflect these changes. See Note 3, Acquisitions and Dispositions, for additional information.

Recently Adopted and Recently Issued Accounting Standards

Recently Adopted and Recently Issued Accounting Standards

The following accounting standards have been adopted in 2020:

On January 1, 2020 the Company adopted changes issued by the FASB which updated the impairment model for credit losses by requiring entities to use a forward-looking approach based on expected losses rather than incurred losses to estimate credit losses on certain types of financial instruments, including trade receivables. Provisions for receivables will be recorded as Allowance for expected credit losses, replacing the previously utilized Allowance for doubtful accounts. In addition, these changes required certain expanded disclosures. Other than changes in disclosure, these changes did not have a material impact on the Company's condensed consolidated financial statements as the calculation of expected credit losses did not yield results that were materially different from the methodology previously utilized by the Company. See Note 4, Accounts Receivable and Note Receivable for additional information.

On January 1, 2020 the Company adopted changes issued by FASB that removed the second step of the annual goodwill impairment test, which requires a hypothetical purchase price allocation. The changes provide that the amount of goodwill impairment will be equal to the amount by which a reporting unit’s carrying value exceeds its fair value, not to exceed the carrying amount of goodwill. All other goodwill impairment guidance remains largely unchanged. The same one-step impairment test will be applied to goodwill at all reporting units, even those with zero or negative carrying amounts. Entities will be required to disclose the amount of goodwill at reporting units with zero or negative carrying amounts. These changes did not have a material impact on the Company's condensed consolidated financial statements.

On January 1, 2020 the Company adopted changes issued by FASB which modified the disclosure requirements for fair value measurements. The amendments in this update remove the requirement to disclose the amount of, and reasons for, transfers between Level 1 and Level 2 of the fair value hierarchy; the policy for timing of transfers between levels and the valuation processes for Level 3 fair value measurements. The changes require disclosure of changes in unrealized gains and losses for the period included in OCI for recurring Level 3 fair value measurements held at the end of the reporting period and the range and weighted average of significant unobservable inputs used to develop Level 3 fair value measurements. Other than required expanded disclosures, the adoption of these changes did not have a material impact on the Company's condensed consolidated financial statements.

The following accounting standards have been issued and become effective for the Company at a future date:

In December 2019 the FASB issued changes which are intended to reduce complexity and simplify the accounting for income taxes in accordance with U.S. GAAP by removing certain exceptions related to investments, intraperiod allocations and interim calculations and clarifying existing guidance to improve consistent application. The changes become effective for the Company on January 1, 2021 with early adoption permitted. Management is currently evaluating the impact of these changes on its condensed consolidated financial statements.

In March 2020 the FASB issued changes that provides companies with optional guidance to ease the potential accounting burden associated with transitioning from reference rates that are expected to be discontinued. In response to the concerns about risks of IBORs and, particularly, the risk of cessation of LIBOR, regulators in several jurisdictions around the world have undertaken reference rate reform initiatives to identify alternative reference rates that are more observable or transaction based and less susceptible to manipulation. The changes provide optional expedients and exceptions for applying U.S. GAAP to contracts, hedging relationships, and other transactions affected by reference rate reform if certain criteria are met. The changes can be adopted no later than December 31, 2022 with early adoption permitted. Management does not believe these changes will have a material impact on its condensed consolidated financial statements.

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Acquisitions and Dispositions (Tables)

6 Months Ended

Jun. 30, 2020

Business Combinations [Abstract]

Summary of assets acquired and liabilities assumed

The preliminary fair value recorded for the assets acquired and liabilities assumed for ESOL is as follows:

	Preliminary Valuation
(In millions)	April 6 2020		Measurement Period Adjustments		June 30 2020
Cash and cash equivalents	$	0.4	$	—	$	0.4
Trade accounts receivable	124.1		—		124.1
Inventory	5.0		—		5.0
Other current assets	0.7		—		0.7
Property, plant and equipment	105.3		—		105.3
Right-of-use assets	56.0		—		56.0
Goodwill	152.0		—		152.0
Intangible assets	161.0		—		161.0
Other assets	0.2		—		0.2
Accounts payable	(48.6)		—		(48.6)
Accrued expenses	(17.5)		—		(17.5)
Current portion of operating lease liabilities	(16.6)		—		(16.6)
Other current liabilities	(6.4)		—		(6.4)
Environmental liabilities	(24.4)		—		(24.4)
Deferred income taxes	(15.5)		—		(15.5)
Operating lease liabilities	(39.4)		—		(39.4)
Total identifiable net assets of ESOL	436.3		—		436.3
Non-compete agreement	2.5		—		2.5
Total identifiable net assets of ESOL	$	438.8	$	—	$	438.8

The fair value recorded for the assets acquired and liabilities assumed for Clean Earth is as follows: 

	Final
(In millions)	June 28, 2019		Measurement Period Adjustments (a)		June 30 2020
Cash and cash equivalents (b)	$	42.8	$	(39.2)	$	3.6
Trade accounts receivable, net	63.7		(1.2)		62.5
Other receivables	0.8		1.3		2.1
Other current assets	8.7		(1.4)		7.3
Property, plant and equipment	75.6		1.4		77.0
Right-of-use assets	14.4		11.4		25.8
Goodwill	313.8		16.8		330.6
Intangible assets	261.1		(18.9)		242.2
Other assets	4.0		(2.8)		1.2
Accounts payable	(23.0)		(0.1)		(23.1)
Acquisition consideration payable (b)	(39.2)		39.2		—
Other current liabilities	(18.0)		(1.7)		(19.7)
Net deferred taxes liabilities	(51.2)		5.5		(45.7)
Operating lease liabilities	(11.1)		(8.4)		(19.5)
Other liabilities	(6.5)		(2.1)		(8.6)
Total identifiable net assets of Clean Earth	$	635.9	$	(0.2)	$	635.7

(a)  The measurement period adjustments did not have a material impact on the Company's previously reported operating results.

(b)  Acquisition consideration payable represents a portion of the cash consideration not paid out until July 2019.

Preliminary valuation of identifiable intangible assets and amortization periods

The following table details the preliminary valuation of identifiable intangible assets and amortization periods for ESOL and the non-compete entered into by the Company upon acquisition of ESOL:

		Preliminary Valuation
(Dollars in millions)	Weighted-Average Amortization Period	April 6 2020		Measurement Period Adjustments (a)		June 30 2020
Permits and rights	22 years	$	138.0	$	0.0	$	138.0
Customer relationships	10 years	23.0		0.0		23.0
Total identifiable intangible assets of ESOL		161.0		0.0		161.0
Non-compete agreement	4 years	2.5		0.0		2.5
Total identifiable intangible assets acquired		$	163.5	$	0.0	$	163.5

The following table details the preliminary valuation of identifiable intangible assets and amortization periods for Clean Earth:

		Final
(Dollars in millions)	Weighted-Average Amortization Period	Preliminary Valuation June 28, 2019		Measurement Period Adjustments (c)		June 30 2020
Permits	18 years	$	176.1	$	(6.0)	$	170.1
Customer relationships	8 years	33.4		(12.9)		20.5
Air rights	Usage based (d)	25.6		—		25.6
Trade names	12 years	26.0		—		26.0
Total identifiable intangible assets of Clean Earth		$	261.1	$	(18.9)	$	242.2

(c)  The measurement period adjustments did not have a material impact on the Company's previously reported operating results.

(d)  The Company estimates that based on current usage that the expected useful life would be 27 years.

Pro forma information

	Three Months Ended				Six Months Ended
	June 30				June 30
(In millions)	2020		2019		2020		2019
Pro forma revenues	$	447.3	$	564.4	$	976.8	$	1,078.1
Pro forma net income (including discontinued operations)	2.0		23.5		2.7		12.8

Balance sheet positions and financial information included in net income from discontinued operations and statements of cash flows

Certain key selected financial information included in net income from discontinued operations for the former Harsco Industrial Segment is as follows:

	Three Months Ended				Six Months Ended
	June 30				June 30
(In millions)	2020		2019		2020		2019
Amounts directly attributable to the former Harsco Industrial Segment:
Total revenues	$	—	$	116,796	$	10,203	$	234,182
Cost of products sold	—		85,319		8,082		173,014
Income from discontinued business	(95)		9,882		123		24,074
Additional amounts allocated to the former Harsco Industrial Segment:
Selling, general and administrative expenses (e)	$	(77)	$	3,527	$	1,189	$	3,527
Interest expense (f)	—		7,005		—		11,237

(e) The Company has allocated directly attributable transaction costs to discontinued operations.

(f) The Company has allocated interest expense, including a portion of the amount reclassified into income for the Company's interest rate swaps and amortization of deferred financing costs resulting from the AXC disposal, as part of discontinued operations.

The following is selected financial information included on the Company's Condensed Consolidated Statements of Cash Flows attributable to the former Harsco Industrial Segment:

	Six Months Ended
	June 30
(In millions)	2020		2019
Non-cash operating items
Depreciation and amortization	$	—	$	3,301
Cash flows from investing activities
Purchases of property, plant and equipment	106		5,221

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Accounts Receivable (Tables)

6 Months Ended

Jun. 30, 2020

Receivables [Abstract]

Schedule of accounts receivable

Accounts receivable consist of the following:

(In thousands)	June 30 2020		December 31 2019
Trade accounts receivable	$	413,638	$	323,502
Less: Allowance for expected credit losses and doubtful accounts (a) (b)	(7,073)		(13,512)
Trade accounts receivable, net	$	406,565	$	309,990
Other receivables (c)	$	19,601	$	21,265

(a) The decrease in the allowance for expected credit losses and doubtful accounts is the final write-off of previously fully-reserved balances in the Harsco Environmental Segment.

(b) Upon the acquisition of ESOL, trade accounts receivable were recorded at $124.1 million, which included approximately $12.1 million of allowance for expected credit losses that was netted against the gross receivable balance as of the acquisition date.

(c)  Other receivables include employee receivables, insurance receivable, tax claims and other miscellaneous items not included in Trade accounts receivable, net.

At June 30, 2020 the amortized cost of the note receivable was $35.0 million, compared with a fair value of $34.7 million.

(In thousands)	June 30 2020		December 31 2019
Note receivable	$	34,977	$	—

Schedule of provision for doubtful accounts related to trade accounts receivable

The change in the provision for expected credit losses and doubtful accounts related to trade accounts receivable was as follows:

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands)	2020		2019		2020		2019
Provision for expected credit losses and doubtful accounts related to trade accounts receivable	$	18	$	5,433	$	237	$	5,423

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Inventories (Tables)

6 Months Ended

Jun. 30, 2020

Inventory Disclosure [Abstract]

Schedule of inventories

Inventories consist of the following:

(In thousands)	June 30 2020		December 31 2019
Finished goods	$	13,233	$	14,550
Work-in-process	12,107		13,088
Raw materials and purchased parts	117,900		104,488
Stores and supplies	30,333		24,865
Total inventories	$	173,573	$	156,991

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Property, Plant and Equipment (Tables)

6 Months Ended

Jun. 30, 2020

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment

Property, plant and equipment consists of the following:

(In thousands)	June 30 2020		December 31 2019
Land	$	75,579	$	30,409
Land improvements	18,461		19,155
Buildings and improvements	219,883		182,795
Machinery and equipment	1,473,061		1,518,652
Uncompleted construction	58,499		55,592
Gross property, plant and equipment	1,845,483		1,806,603
Less: Accumulated depreciation	(1,211,131)		(1,244,817)
Property, plant and equipment, net	$	634,352	$	561,786

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Leases (Tables)

6 Months Ended

Jun. 30, 2020

Leases [Abstract]

Components of Lease Expense and Supplemental Cash Flow and Additional Information

he components of lease expense were as follows:

	Three Months Ended				Six Months Ended
(In thousands)	June 30 2020		June 30 2019		June 30 2020		June 30 2019
Finance leases:
Amortization expense	$	367	$	312	$	738	$	586
Interest on lease liabilities	44		37		96		41
Operating leases	8,904		3,435		13,188		7,127
Variable and short-term lease expense	10,485		4,818		17,596		9,609
Sublease income	(48)		—		(98)		—
Total lease expense from continuing operations	$	19,752	$	8,602	$	31,520	$	17,363

Supplemental cash flow information related to leases was as follows:

	Six Months Ended
(In thousands)	June 30 2020		June 30 2019
Cash paid for amounts included in the measurement of lease liabilities:
Cash flows from operating activities - Operating leases	$	12,384	$	6,743
Cash flows from financing activities - Finance leases	663		637
Right-of-use assets obtained in exchange for lease obligations:
Operating leases (a)	$	67,534	$	50,696
Finance leases	1,234		1,692

(a)  Cash flows for the six months ended June 30, 2020 include ROU assets of approximately $56.0 million that were recorded upon the acquisition of ESOL. Cash flows for six months ended June 30, 2019 include ROU assets of approximately $34 million that were recorded upon adoption at January 1, 2019 and $14.4 million that were recorded upon the acquisition of Clean Earth. See Note 3, Acquisitions and Dispositions, for additional information..

Supplemental additional information related to leases is as follows:

	June 30 2020		December 31 2019
Other information:
Weighted average remaining lease term - Operating leases (in years)	8.33		11.57
Weighted average remaining lease term - Finance leases (in years)	3.77		4.01
Weighted average discount rate - Operating leases	6.1	%	6.3	%
Weighted average discount rate - Finance leases	4.2	%	4.2	%

Supplemental Balance Sheet Information Related to Leases

Supplemental balance sheet information related to leases was as follows: 

(In thousands)	June 30 2020		December 31 2019
Operating Leases:
Operating lease right-of-use assets	$	101,743	$	52,065
Current portion of operating lease liabilities	27,850		$	12,544
Operating lease liabilities	71,553		36,974
Finance Leases:
Property, plant and equipment, net	$	3,891	$	3,519
Current maturities of long-term debt	1,289		$	1,237
Long-term debt	2,735		2,218

Maturities of Operating Lease Liabilities

Maturities of lease liabilities were as follows:

(In thousand)	Operating Leases		Finance Leases
Year Ending December 31st:
2020 (excluding the six months ended June 30, 2020)	$	16,446	$	691
2021	27,125		1,208
2022	20,395		949
2023	15,786		749
2024	10,735		587
After 2024	41,421		43
Total lease payments	131,908		4,227
Less: Imputed interest	(32,505)		(203)
Total	$	99,403	$	4,024

Maturities of Finance Lease Liabilities

Maturities of lease liabilities were as follows:

(In thousand)	Operating Leases		Finance Leases
Year Ending December 31st:
2020 (excluding the six months ended June 30, 2020)	$	16,446	$	691
2021	27,125		1,208
2022	20,395		949
2023	15,786		749
2024	10,735		587
After 2024	41,421		43
Total lease payments	131,908		4,227
Less: Imputed interest	(32,505)		(203)
Total	$	99,403	$	4,024

Future Minimum Payments Under Operating Leases with Noncancelable Terms

(In thousand)	Operating Leases		Finance Leases
Year Ending December 31st:
2020 (excluding the six months ended June 30, 2020)	$	16,446	$	691
2021	27,125		1,208
2022	20,395		949
2023	15,786		749
2024	10,735		587
After 2024	41,421		43
Total lease payments	131,908		4,227
Less: Imputed interest	(32,505)		(203)
Total	$	99,403	$	4,024

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Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of changes in carrying amounts of goodwill by segment

The following table reflects the changes in carrying amounts of goodwill by segment for the six months ended June 30, 2020:

(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Balance at December 31, 2019	$	395,113	$	330,230	$	13,026	$	738,369
Changes to goodwill (a)	1,479		152,300		—		153,779
Foreign currency translation	(10,483)		—		—		(10,483)
Balance at June 30, 2020	$	386,109	$	482,530	$	13,026	$	881,665

(a) The changes to goodwill primarily relate to the acquisition of ESOL in the Harsco Clean Earth Segment, See note 3, Acquisitions and Dispositions, and an immaterial acquisitions in the Harsco Environmental Segment.

Schedule of intangible assets by class

Intangible assets, net on the Company's Condensed Consolidated Balance Sheets consist of the following:

	June 30, 2020				December 31, 2019
(In thousands)	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
Customer related	$	165,770	$	101,512	$	143,996	$	99,327
Permits	308,432		11,028		170,322		4,694
Technology related	36,411		6,966		36,467		5,635
Trade names	31,525		3,452		31,719		2,182
Air rights	26,139		743		26,139		411
Patents	185		130		249		168
Non-compete Agreement	2,500		156		—		—
Other	3,608		1,138		3,765		1,158
Total	$	574,570	$	125,125	$	412,657	$	113,575

Schedule of amortization expense

Amortization expense for intangible assets was as follows:

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands)	2020		2019		2020		2019
Amortization expense for intangible assets	$	8,352	$	1,901	$	14,270	$	3,840

Schedule of estimated amortization expense

The estimated amortization expense for the next five fiscal years based on current intangible assets is as follows:

(In thousands)	2020		2021		2022		2023		2024
Estimated amortization expense (b)	$	31,200	$	32,300	$	31,600	$	31,600	$	31,100

(b)  These estimated amortization expense amounts do not reflect the potential effect of future foreign currency exchange fluctuations

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Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2020

Retirement Benefits [Abstract]

Schedule of net benefit costs

	Three Months Ended
	June 30
Defined Benefit Pension Plans Net Periodic Pension Cost (Benefit)	U.S. Plans				International Plans
(In thousands)	2020		2019		2020		2019
Service costs	$	—	$	10	$	426	$	357
Interest costs	1,845		2,651		4,235		5,548
Expected return on plan assets	(2,842)		(2,593)		(9,833)		(9,319)
Recognized prior service costs	—		—		106		65
Recognized loss	1,225		1,405		3,532		3,577
Settlement/curtailment losses	—		129		—		—
Defined benefit pension plans net periodic pension cost (benefit)	$	228	$	1,602	$	(1,534)	$	228

	Six Months Ended
	Jun 30
Defined Benefit Pension Plans Net Periodic Pension Cost (Benefit)	U.S. Plans				International Plans
(In thousands)	2020		2019		2020		2019
Service costs	$	—	$	20	$	855	$	713
Interest costs	3,690		5,302		8,630		11,212
Expected return on plan assets	(5,684)		(5,186)		(20,023)		(18,836)
Recognized prior service costs	—		—		213		131
Recognized loss	2,650		2,810		7,187		7,230
Settlement/curtailment losses	—		129		—		—
Defined benefit pension plans net periodic pension cost (benefit)	$	656	$	3,075	$	(3,138)	$	450

Schedule of contributions to pension plans

	Three Months Ended				Six Months Ended
Company Contributions	June 30				June 30
(In thousands)	2020		2019		2020		2019
Defined benefit pension plans (U.S.)	$	460	$	2,011	$	2,487	$	3,490
Defined benefit pension plans (International)	1,493		3,131		11,553		12,401
Multiemployer pension plans	379		483		788		1,004
Defined contribution pension plans	1,897		2,969		5,066		6,359

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Commitment and Contingencies (Tables)

6 Months Ended

Jun. 30, 2020

Commitments and Contingencies Disclosure [Abstract]

Schedule of Loss Contingencies by Contingency

The following table summarizes information related to the location and undiscounted amount of the Company's environmental liabilities:

(In thousands)	June 30 2020		December 31 2019
Current portion of environmental liabilities (a)	$	6,115	$	3,431
Long-term environmental liabilities	30,027		5,600
Total environmental liabilities	$	36,142	$	9,031

(a) The current portion of environmental liabilities is included in the caption Other current liabilities on the Company's Condensed Consolidated Balance Sheets.

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Reconciliation of Basic and Diluted Shares (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Reconciliation of basic and diluted shares

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands, except per share amounts)	2020		2019		2020		2019
Income (loss) from continuing operations attributable to Harsco Corporation common stockholders	$	(10,750)	$	(2,852)	$	(19,532)	$	7,622
Weighted-average shares outstanding:
Weighted-average shares outstanding - basic	78,987		80,328		78,874		80,119
Dilutive effect of stock-based compensation	—		—		—		1,955
Weighted-average shares outstanding - diluted	78,987		80,328		78,874		82,074
Earnings (loss) from continuing operations per common share, attributable to Harsco Corporation common stockholders:
Basic	$	(0.14)	$	(0.04)	$	(0.25)	$	0.10
Diluted	$	(0.14)	$	(0.04)	$	(0.25)	$	0.09

Schedule of antidilutive securities excluded from computation of earnings per share

The following average outstanding stock-based compensation units were not included in the computation of diluted earnings per share because the effect was antidilutive:

	Three Months Ended		Six Months Ended
	June 30		June 30
(In thousands)	2020	2019	2020	2019
Restricted stock units	739	443	744	—
Stock appreciation rights	2,472	1,919	2,558	389
Performance share units	896	685	918	116

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Derivative Instruments, Hedging Activities and Fair Value (Tables)

6 Months Ended

Jun. 30, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of fair value of outstanding derivative contracts

The fair value of outstanding derivative contracts recorded as assets and liabilities on the Company's Condensed Consolidated Balance Sheets was as follows:

(In thousands)	Balance Sheet Location	Fair Value of Derivatives Designated as Hedging Instruments		Fair Value of Derivatives Not Designated as Hedging Instruments		Total Fair Value
June 30, 2020
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	3,406	$	4,732	$	8,138
Total		$	3,406	$	4,732	$	8,138
Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Other current liabilities	$	159	$	1,006	$	1,165
Interest rate swaps	Other current liabilities	3,673		—		3,673
Interest rate swaps	Other liabilities	5,336		—		5,336
Total		$	9,168	$	1,006	$	10,174
December 31, 2019
Asset derivatives (Level 2):
Foreign currency exchange forward contracts	Other current assets	$	2,039	$	946	$	2,985
Total		$	2,039	$	946	$	2,985
Liability derivatives (Level 2):
Foreign currency exchange forward contracts	Other current liabilities	$	140	$	3,733	$	3,873
Interest rate swaps	Other current liabilities	2,098		—		2,098
Interest rate swaps	Other liabilities	4,281		—		4,281
Total		$	6,519	$	3,733	$	10,252

Schedule of effect of derivative instruments

Derivatives Designated as Hedging Instruments

	Amount Recognized in OCI on Derivatives				Location of Amount Reclassified from  AOCI into Income	Amount Reclassified from AOCI into Income - Effective Portion or Equity
	Three Months Ended					Three Months Ended
	June 30					June 30
(In thousands)	2020		2019			2020		2019
Foreign currency exchange forward contracts	$	41	$	669	Product revenues	$	(332)	$	(389)
Interest rate swaps	—		—		Income from discontinued businesses	—		2,741
Interest rate swaps	(162)		(4,327)		Interest expense	732		(271)
Cross-currency interest rate swaps (a)	5		54		Interest expense	295		303
	$	(116)	$	(3,604)		$	695	$	2,384

	Amount Recognized in OCI on Derivatives				Location of Amount Reclassified from AOCI into Income	Amount Reclassified from Accumulated OCI into Income - Effective Portion or Equity
	Six Months Ended					Six Months Ended
	June 30					June 30
(In thousands)	2020		2019			2020		2019
Foreign currency exchange forward contracts	$	2,078	$	(43)	Product revenues/Cost of services sold	$	(1,736)	$	(421)
Interest rate swaps	—		—		Income from discontinued businesses	—		2,741
Interest rate swaps	(3,740)		(7,636)		Interest expense	1,110		(572)
Cross-currency interest rate swaps (a)	63		2		Interest expense	600		617
	$	(1,599)	$	(7,677)		$	(26)	$	2,365

(a) Amounts represent changes in foreign currency translation related to balances in AOCI.

The location and amount of gain (loss) recognized on the Company's Condensed Consolidated Statements of Operations was as follows:

	Three Months Ended
	June 30
	2020				2019
(in thousands)	Product Revenues		Interest Expense		Product Revenues		Cost of Services Sold		Interest Expense		Income From Discontinued Businesses
Total amounts of line items presented in the Condensed Consolidated Statement of Operations in which the effects of cash flow hedges are recorded	$	101,703	$	(14,953)	$	112,895	$	186,840	$	(6,103)	$	9,936
Interest rate swaps:
Amount of gain or (loss) reclassified from AOCI into income	—		(732)		—		—		271		—
Amount of gain or (loss) reclassified from AOCI into income as a result that a forecasted transaction is no longer probable of occurring	—		—		—		—		—		(2,741)

	Three Months Ended
	June 30
	2020		2019
(in thousands)	Product Revenues	Interest Expense	Product Revenues	Cost of Services Sold	Interest Expense	Income From Discontinued Businesses
Foreign exchange contracts:
Amount of gain or reclassified from AOCI into income	332	—	433	(44)	—	—
Amount excluded from effectiveness testing recognized in earnings based on changes in fair value	13	—	238	—	—	—
Amount excluded from the effectiveness testing recognized in earnings based on an amortization approach	21	—	—	—	—	—
Cross-currency interest rate swaps:
Amount of loss reclassified from AOCI into income	—	(295)	—	—	(303)	—

	Six Months Ended
	June 30
	2020				2019
(in thousands)	Product Revenues		Interest Expense		Product Revenues		Cost of Services Sold		Interest Expense		Income From Discontinued Operations
Total amounts of income and expense line items presented in the statement of financial performance in which the effects of cash flow hedges are recorded	$	209,205	$	(27,602)	$	213,277	$	368,711	$	(11,610)	$	23,686
Interest rate swaps:
Amount of gain or (loss) reclassified from AOCI into income	—		(1,110)		—		—		572		—
Amount of gain or (loss) reclassified from AOCI into income as a result that a forecasted transaction is no longer probable of occurring	—		—		—		—		—		(2,741)
Foreign exchange contracts:
Amount of gain or (loss) reclassified from AOCI into income	1,736		—		465		(44)		—		—
Amount excluded from effectiveness testing recognized in earnings based on changes in fair value	196		—		316		—		—		—
Amount excluded from the effectiveness testing recognized in earnings based on an amortization approach	21		—		—		—		—		—
Cross-currency interest rate swaps:
Amount of gain or (loss) reclassified from AOCI into income	—		(600)		—		—		(617)		—

Derivatives Not Designated as Hedging Instruments

	Location of Gain Recognized in Income on Derivatives	Amount of Gain Recognized in Income on Derivatives (b)
		Three Months Ended				Six Months Ended
		June 30				June 30
(In thousands)		2020		2019		2020		2019
Foreign currency exchange forward contracts	Cost of services and products sold	$	1,736	$	2,770	$	7,278	$	5,094

(b)   These gains offset amounts recognized in cost of services and products sold principally as a result of intercompany or third party foreign currency   

exposures.

XML

Review of Operations by Segment (Tables)

6 Months Ended

Jun. 30, 2020

Segment Reporting [Abstract]

Schedule of operations by segment

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands)	2020		2019		2020		2019
Revenues From Continuing Operations (a)
Harsco Environmental	$	203,991	$	269,338	$	445,550	$	530,650
Harsco Clean Earth	161,579		—		240,391		—
Harsco Rail	81,711		81,560		160,181		150,150
Total Revenues From Continuing Operations	$	447,281	$	350,898	$	846,122	$	680,800
Operating Income (Loss) From Continuing Operations (a)
Harsco Environmental	$	13,563	$	27,577	$	24,083	$	52,074
Harsco Clean Earth	(202)		—		4,043		—
Harsco Rail	8,631		9,443		15,103		14,832
Corporate	(20,124)		(19,221)		(38,480)		(29,283)
Total Operating Income From Continuing Operations	$	1,868	$	17,799	$	4,749	$	37,623
Depreciation (a)
Harsco Environmental	$	24,663	$	26,680	$	50,038	$	53,517
Harsco Clean Earth	5,138		—		7,759		—
Harsco Rail	1,257		1,125		2,472		2,222
Corporate	521		718		1,034		1,378
Total Depreciation	$	31,579	$	28,523	$	61,303	$	57,117
Amortization (a)
Harsco Environmental	$	1,921	$	1,817	$	3,857	$	3,685
Harsco Clean Earth	6,347		—		10,245		—
Harsco Rail	83		84		167		154
Corporate (b)	764		699		1,403		1,391
Total Amortization	$	9,115	$	2,600	$	15,672	$	5,230
Capital Expenditures (a)
Harsco Environmental	$	18,654	$	45,095	$	43,402	$	74,258
Harsco Clean Earth	3,045		—		4,487		—
Harsco Rail	1,297		6,365		2,836		10,281
Corporate	324		287		382		1,440
Total Capital Expenditures	$	23,320	$	51,747	$	51,107	$	85,979

(a)  The Company's acquisition of ESOL closed on April 6, 2020 and the Company's acquisition of Clean Earth closed on June 28, 2019. The operating results of the former Harsco Industrial Segment has been reflected as discontinued operations in the Company's Condensed Consolidated Statement of Operations for all periods presented. See Note 3, Acquisitions and Dispositions, for additional details.

(b)  Amortization expense on Corporate relates to the amortization of deferred financing costs.

Reconciliation of segment operating income to income from continuing operations before income taxes and equity income

Reconciliation of Segment Operating Income to Income (Loss) From Continuing Operations Before Income Taxes and Equity Income

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands)	2020		2019		2020		2019
Segment operating income	$	21,992	$	37,020	$	43,229	$	66,906
General Corporate expense	(20,124)		(19,221)		(38,480)		(29,283)
Operating income from continuing operations	1,868		17,799		4,749		37,623
Interest income	816		591		1,009		1,124
Interest expense	(14,953)		(6,103)		(27,602)		(11,610)
Unused debt commitment and amendment fees	(1,432)		(7,435)		(1,920)		(7,435)
Defined benefit pension income (expense)	1,723		(1,472)		3,312		(2,810)
Income (loss) from continuing operations before income taxes and equity income	$	(11,978)	$	3,380	$	(20,452)	$	16,892

XML

Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2020

Revenue from Contract with Customer [Abstract]

Revenue Recognition

Revenue Recognition

The Company recognizes revenues to depict the transfer of promised services and products to customers in an amount that reflects the consideration the Company expects to receive in exchange for those services or products. Service revenues include the Harsco Clean Earth Segment and the service components of the Harsco Environmental and Harsco Rail Segments. Product revenues include portions of the Harsco Environmental and Harsco Rail Segments.

A summary of the Company's revenues by primary geographical markets as well as by key product and service groups is as follows:

	Three Months Ended
	June 30, 2020
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	57,356	$	161,579	$	56,461	$	275,396
Western Europe	82,972		—		16,855		99,827
Latin America (c)	25,108		—		515		25,623
Asia-Pacific	19,894		—		7,880		27,774
Middle East and Africa	14,793		—		—		14,793
Eastern Europe	3,868		—		—		3,868
Total Revenues	$	203,991	$	161,579	$	81,711	$	447,281
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	174,173	$	—	$	—	$	174,173
Applied products	26,591		—		—		26,591
Environmental systems for aluminum dross and scrap processing	3,227		—		—		3,227
Railway track maintenance equipment	—		—		40,411		40,411
After-market parts and services; safety and diagnostic technology	—		—		32,500		32,500
Railway contracting services	—		—		8,800		8,800
Waste processing, recycling, reuse and transportation solutions	—		161,579		—		161,579
Total Revenues	$	203,991	$	161,579	$	81,711	$	447,281

	Three Months Ended
	June 30, 2019
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	78,112	$	—	$	65,278	$	143,390
Western Europe	98,478		—		10,538		109,016
Latin America (c)	36,272		—		773		37,045
Asia-Pacific	35,779		—		4,971		40,750
Middle East and Africa	15,742		—		—		15,742
Eastern Europe	4,955		—		—		4,955
Total Revenues	$	269,338	$	—	$	81,560	$	350,898
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	230,395	$	—	$	—	$	230,395
Applied products	33,686		—		—		33,686
Environmental systems for aluminum dross and scrap processing	5,257		—		—		5,257
Railway track maintenance equipment	—		—		38,960		38,960
After-market parts and services; safety and diagnostic technology	—		—		36,700		36,700
Railway contracting services	—		—		5,900		5,900
Waste processing, recycling, reuse and transportation solutions	—		—		—		—
Total Revenues	$	269,338	$	—	$	81,560	$	350,898

	Six Months Ended
	June 30, 2020
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	127,237	$	240,391	$	110,234	$	477,862
Western Europe	179,289		—		35,019		214,308
Latin America (c)	58,368		—		1,180		59,548
Asia-Pacific	41,890		—		13,748		55,638
Middle East and Africa	30,682		—		—		30,682
Eastern Europe	8,084		—		—		8,084
Total Revenues	$	445,550	$	240,391	$	160,181	$	846,122
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	381,519	$	—	$	—	$	381,519
Applied products	56,853		—		—		56,853
Environmental systems for aluminum dross and scrap processing	7,178		—		—		7,178
Railway track maintenance equipment	—		—		83,026		83,026
After-market parts and services; safety and diagnostic technology	—		—		63,700		63,700
Railway contracting services	—		—		13,455		13,455
Waste processing, recycling, reuse and transportation solutions	—		240,391		—		240,391
Total Revenues	$	445,550	$	240,391	$	160,181	$	846,122

	Six Months Ended
	June 30, 2019
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	151,461	$	—	$	115,643	$	267,104
Western Europe	196,699		—		20,551		217,250
Latin America (c)	73,263		—		1,364		74,627
Asia-Pacific	69,917		—		12,592		82,509
Middle East and Africa	29,657		—		—		29,657
Eastern Europe	9,653		—		—		9,653
Total Revenues	$	530,650	$	—	$	150,150	$	680,800
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	454,456	$	—	$	—	$	454,456
Applied products	64,076		—		—		64,076
Environmental systems for aluminum dross and scrap processing	12,118		—		—		12,118
Railway track maintenance equipment	—		—		72,568		72,568
After-market parts and services; safety and diagnostic technology	—		—		68,001		68,001
Railway contracting services	—		—		9,581		9,581
Waste processing, recycling, reuse and transportation solutions	—		—		—		—
Total Revenues	$	530,650	$	—	$	150,150	$	680,800

(a) The Company's acquisition of ESOL closed on April 6, 2020 and the Company's acquisition of Clean Earth closed on June 28, 2019. The results of both are included in the Harsco Clean Earth Segment. The operating results of the former Harsco Industrial Segment have been reflected as discontinued operations in the Company's Condensed Consolidated Statement of Operations for all periods presented. See Note 3, Acquisitions and Dispositions, for additional details.

(b)  Revenues are attributed to individual countries based on the location of the facility generating the revenue.

(c)  Includes Mexico.

The Company may receive payments in advance of earning revenue, which are treated as Advances on contracts on the Company's Condensed Consolidated Balance Sheets. The Company may recognize revenue in advance of being able to contractually invoice the customer, which is treated as Contract assets on the Company's Condensed Consolidated Balance Sheets. Contract assets are transferred to Trade accounts receivable, net when right to payment becomes unconditional. Contract assets and Contract liabilities are reported as a net position, on a contract-by-contract basis, at the end of each reporting period. These instances are primarily related to the Harsco Rail Segment.

The Company had Contract assets totaling $59.0 million and $31.2 million at June 30, 2020 and December 31, 2019, respectively. The increase is due principally to recognition of additional contract assets in excess of contract assets transferred to accounts receivable during the six months ended June 30, 2020 primarily in the Harsco Rail Segment. The Company had Advances on contracts totaling $98.5 million and $60.3 million at June 30, 2020 and December 31, 2019, respectively. The increase is due principally to the receipt of new advances on contracts in excess of recognition of revenue primarily for the Deutsche Bahn contract in the Harsco Rail Segment. During the three and six months ended June 30, 2020 the Company recognized approximately $16 million and $34 million, respectively, of revenue related to amounts previously included in Advances on contracts. During the three and six months ended June 30, 2019 the Company recognized approximately $19 million and $37 million, respectively, of revenue related to amounts previously included in Advances on contracts.

At June 30, 2020 the Harsco Environmental Segment had remaining, fixed, unsatisfied performance obligations where the expected contract duration exceeds one year totaling $98.7 million. Of this amount, $33.0 million is expected to be fulfilled by June 30, 2021, $19.6 million by June 30, 2022, $16.3 million by June 30, 2023, $12.8 million by June 30, 2024 and the remainder thereafter. These amounts exclude any variable fees, fixed fees subject to indexation and any performance obligations expected to be satisfied within one year. The decrease from December 31, 2019 is primarily due to the renegotiation of a contract with a customer in the U.K. who had entered into administration.

At June 30, 2020 the Harsco Rail Segment had remaining, fixed, unsatisfied performance obligations where the expected contract duration exceeds one year totaling $360.7 million. Of this amount, $126.0 million is expected to be fulfilled by

June 30, 2021, $121.8 million by June 30, 2022, $55.2 million by June 30, 2023, $46.5 million by June 30, 2024 and the remainder thereafter. These amounts exclude any variable fees, fixed fees subject to indexation and any performance obligations expected to be satisfied within one year. The increase from December 31, 2019 is primarily attributable to new contract signings in U.S., India and Germany.

Summary of revenues by primary geographical markets

A summary of the Company's revenues by primary geographical markets as well as by key product and service groups is as follows:

	Three Months Ended
	June 30, 2020
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	57,356	$	161,579	$	56,461	$	275,396
Western Europe	82,972		—		16,855		99,827
Latin America (c)	25,108		—		515		25,623
Asia-Pacific	19,894		—		7,880		27,774
Middle East and Africa	14,793		—		—		14,793
Eastern Europe	3,868		—		—		3,868
Total Revenues	$	203,991	$	161,579	$	81,711	$	447,281
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	174,173	$	—	$	—	$	174,173
Applied products	26,591		—		—		26,591
Environmental systems for aluminum dross and scrap processing	3,227		—		—		3,227
Railway track maintenance equipment	—		—		40,411		40,411
After-market parts and services; safety and diagnostic technology	—		—		32,500		32,500
Railway contracting services	—		—		8,800		8,800
Waste processing, recycling, reuse and transportation solutions	—		161,579		—		161,579
Total Revenues	$	203,991	$	161,579	$	81,711	$	447,281

	Three Months Ended
	June 30, 2019
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	78,112	$	—	$	65,278	$	143,390
Western Europe	98,478		—		10,538		109,016
Latin America (c)	36,272		—		773		37,045
Asia-Pacific	35,779		—		4,971		40,750
Middle East and Africa	15,742		—		—		15,742
Eastern Europe	4,955		—		—		4,955
Total Revenues	$	269,338	$	—	$	81,560	$	350,898
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	230,395	$	—	$	—	$	230,395
Applied products	33,686		—		—		33,686
Environmental systems for aluminum dross and scrap processing	5,257		—		—		5,257
Railway track maintenance equipment	—		—		38,960		38,960
After-market parts and services; safety and diagnostic technology	—		—		36,700		36,700
Railway contracting services	—		—		5,900		5,900
Waste processing, recycling, reuse and transportation solutions	—		—		—		—
Total Revenues	$	269,338	$	—	$	81,560	$	350,898

	Six Months Ended
	June 30, 2020
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	127,237	$	240,391	$	110,234	$	477,862
Western Europe	179,289		—		35,019		214,308
Latin America (c)	58,368		—		1,180		59,548
Asia-Pacific	41,890		—		13,748		55,638
Middle East and Africa	30,682		—		—		30,682
Eastern Europe	8,084		—		—		8,084
Total Revenues	$	445,550	$	240,391	$	160,181	$	846,122
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	381,519	$	—	$	—	$	381,519
Applied products	56,853		—		—		56,853
Environmental systems for aluminum dross and scrap processing	7,178		—		—		7,178
Railway track maintenance equipment	—		—		83,026		83,026
After-market parts and services; safety and diagnostic technology	—		—		63,700		63,700
Railway contracting services	—		—		13,455		13,455
Waste processing, recycling, reuse and transportation solutions	—		240,391		—		240,391
Total Revenues	$	445,550	$	240,391	$	160,181	$	846,122

	Six Months Ended
	June 30, 2019
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Consolidated Totals
Primary Geographical Markets (a) (b):
North America	$	151,461	$	—	$	115,643	$	267,104
Western Europe	196,699		—		20,551		217,250
Latin America (c)	73,263		—		1,364		74,627
Asia-Pacific	69,917		—		12,592		82,509
Middle East and Africa	29,657		—		—		29,657
Eastern Europe	9,653		—		—		9,653
Total Revenues	$	530,650	$	—	$	150,150	$	680,800
Key Product and Service Groups (a):
Environmental services related to resource recovery for metals manufacturing and related logistical services	$	454,456	$	—	$	—	$	454,456
Applied products	64,076		—		—		64,076
Environmental systems for aluminum dross and scrap processing	12,118		—		—		12,118
Railway track maintenance equipment	—		—		72,568		72,568
After-market parts and services; safety and diagnostic technology	—		—		68,001		68,001
Railway contracting services	—		—		9,581		9,581
Waste processing, recycling, reuse and transportation solutions	—		—		—		—
Total Revenues	$	530,650	$	—	$	150,150	$	680,800

(a) The Company's acquisition of ESOL closed on April 6, 2020 and the Company's acquisition of Clean Earth closed on June 28, 2019. The results of both are included in the Harsco Clean Earth Segment. The operating results of the former Harsco Industrial Segment have been reflected as discontinued operations in the Company's Condensed Consolidated Statement of Operations for all periods presented. See Note 3, Acquisitions and Dispositions, for additional details.

(b)  Revenues are attributed to individual countries based on the location of the facility generating the revenue.

(c)  Includes Mexico.

XML

Other (Income) Expenses, Net (Tables)

6 Months Ended

Jun. 30, 2020

Other Income and Expenses [Abstract]

Schedule of other (income) expenses

The major components of this Condensed Consolidated Statements of Operations caption are as follows:

	Three Months Ended				Six Months Ended
	June 30				June 30
(In thousands)	2020		2019		2020		2019
Employee termination benefit costs	$	441	$	997	$	5,896	$	3,516
Other costs to exit activities	289		1,192		465		2,347
Impaired asset write-downs	4		—		73		214
Contingent consideration adjustments	—		(3,880)		—		(3,511)
Net gains	(229)		—		(248)		(2,271)
Other	(797)		(26)		(745)		(269)
Other expenses, net	$	(292)	$	(1,717)	$	5,441	$	26

XML

Components of Accumulated Other Comprehensive Loss (Tables)

6 Months Ended

Jun. 30, 2020

Equity [Abstract]

Schedule of accumulated other comprehensive loss

The components of AOCI, net of the effect of income taxes, and activity for the six months ended June 30, 2019 and 2020 was as follows:

	Components of AOCI - Net of Tax
(In thousands)	Cumulative Foreign Exchange Translation Adjustments			Effective Portion of Derivatives Designated as Hedging Instruments			Cumulative Unrecognized Actuarial Losses on Pension Obligations			Unrealized Gain (Loss) on Marketable Securities		Total
Balance at December 31, 2018	$	(159,810)		$	1,389		$	(408,655)		$	(31)	$	(567,107)
Adoption of new accounting standard	—			—			(21,429)		(a)	—		(21,429)
Other comprehensive income (loss) before reclassifications	2,775		(b)	(5,893)		(c)	2,192		(b)	25		(901)
Amounts reclassified from AOCI, net of tax	(2,271)			1,722			9,579			—		9,030
Total other comprehensive income (loss)	504			(4,171)			11,771			25		8,129
Other comprehensive income attributable to noncontrolling interests	178			—			—			—		178
Other comprehensive income (loss) attributable to Harsco Corporation	682			(4,171)			11,771			25		8,307
Balance at June 30, 2019	$	(159,128)		$	(2,782)		$	(418,313)		$	(6)	$	(580,229)

	Components of AOCI - Net of Tax
(In thousands)	Cumulative Foreign Exchange Translation Adjustments			Effective Portion of Derivatives Designated as Hedging Instruments			Cumulative Unrecognized Actuarial Losses on Pension Obligations			Unrealized Gain (Loss) on Marketable Securities		Total
Balance at December 31, 2019	$	(143,340)		$	(3,717)		$	(440,562)		$	(3)	$	(587,622)
Other comprehensive income (loss) before reclassifications	(65,677)		(b)	(1,146)		(c)	23,810		(b)	(31)		(43,044)
Amounts reclassified from AOCI, net of tax	12,906			(213)			13,380			—		26,073
Total other comprehensive income (loss)	(52,771)			(1,359)			37,190			(31)		(16,971)
Other comprehensive income attributable to noncontrolling interests	975			—			—			—		975
Other comprehensive income (loss) attributable to Harsco Corporation	(51,796)			(1,359)			37,190			(31)		(15,996)
Balance at June 30, 2020	$	(195,136)		$	(5,076)		$	(403,372)		$	(34)	$	(603,618)

(a)  Represents the adoption of the new accounting standard on January 1, 2019 related to stranded tax effects from the Tax Cuts and Jobs Act.

(b) Principally foreign currency fluctuation.

(c)  Net change from periodic revaluations.

Reclassification out of accumulated other comprehensive income

Amounts reclassified from AOCI are as follows:

(In thousands)	Three Months Ended				Six Months Ended				Affected Caption on the Company's Condensed Consolidated Statements of Operations
	June 30 2020		June 30 2019		June 30 2020		June 30 2019
Recognition of cumulative foreign currency translation adjustments:
Gain on substantial liquidation of subsidiaries (d)	$	—	$	—	$	—	$	(2,271)	Other expenses, net
Loss on substantial liquidation of subsidiaries (d)	—		—		12,906		—		Gain on sale of discontinued business
Amortization of cash flow hedging instruments:
Foreign currency exchange forward contracts	$	(332)	$	(433)	$	(1,736)	$	(465)	Product revenues
Foreign currency exchange forward contracts	—		44		—		44		Cost of services sold
Cross-currency interest rate swaps	295		303		600		617		Interest expense
Interest rate swaps	732		(271)		1,110		(572)		Interest expense
Interest rate swaps	—		2,741		—		2,741		Income from discontinued businesses
Total before tax	695		2,384		(26)		2,365
Income taxes	(263)		(599)		(187)		(643)
Total reclassification of cash flow hedging instruments, net of tax	$	432	$	1,785	$	(213)	$	1,722
Amortization of defined benefit pension items (e):
Recognized losses	$	4,757	$	4,982	$	9,837	$	10,040	Defined benefit pension income (expense)
Recognized prior-service costs	106		65		213		131		Defined benefit pension income (expense)
Settlement/curtailment losses	—		129		—		129		Defined benefit pension income (expense)
Pension liability transfer - discontinued business	—		—		5,363		—		Gain on sale of discontinued business
Total before tax	4,863		5,176		15,413		10,300
Income taxes	(323)		(379)		(2,033)		(721)
Total reclassification of defined benefit pension items, net of tax	$	4,540	$	4,797	$	13,380	$	9,579

(d) No tax impact.

(e) These AOCI components are included in the computation of net periodic pension costs. See Note 10, Employee Benefit Plans, for additional details.

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Basis of Presentation (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Restricted cash	$ 2,267	$ 2,473

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Acquisitions and Dispositions - Acquisitions Narrative (Details) - USD ($)			1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 06, 2020	Jun. 28, 2019	Jan. 31, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018	Jan. 01, 2020
Business Acquisition [Line Items]
Total revenues				$ 447,281,000	$ 350,898,000	$ 846,122,000	$ 680,800,000
Operating income from continuing operations				1,868,000	17,799,000	4,749,000	37,623,000	$ 37,623,000
Additional interest expense				14,953,000	6,103,000	27,602,000	11,610,000
Receivable with Imputed Interest, Face Amount				40,000,000		40,000,000
Receivables, Fair Value Disclosure			$ 34,300,000	34,700,000		34,700,000			$ 34,300,000
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax			18,400,000	(91,000)	0	18,371,000	0
Stericycle [Member]
Business Acquisition [Line Items]
Corporate charge					8,900,000	8,900,000	17,800,000
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Harsco Industrial IKG [Member]
Business Acquisition [Line Items]
Selling price									$ 85,000,000
Receivable with Imputed Interest, Face Amount			40,000,000.0
Disposal Group, Net Gain on Disposal			$ 9,000,000
Discontinued Operations, Held-for-sale | Harsco Industrial
Business Acquisition [Line Items]
Corporate overhead expenses					1,400,000		2,800,000
Harsco Clean Earth Segment
Business Acquisition [Line Items]
Percentage of interests acquired		100.00%
Enterprise valuation		$ 625,000,000
Cash consideration		628,000,000
Goodwill to be deductible for income tax purposes		16,300,000
Direct acquisition costs					12,000,000.0		12,500,000
Estimated reimbursements		8,000,000
ESOL
Business Acquisition [Line Items]
Percentage of interests acquired	100.00%
Cash consideration	$ 438,800,000	$ 462,500,000
Goodwill to be deductible for income tax purposes				36,800,000		36,800,000
Total revenues				107,500,000		107,500,000
Operating income from continuing operations				1,900,000		1,900,000
Direct acquisition costs				$ 17,200,000		30,300,000
Clean Earth and ESOL
Business Acquisition [Line Items]
Additional interest expense					$ 14,800,000	$ 4,700,000	$ 29,400,000

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Acquisitions and Dispositions - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Apr. 06, 2020	Dec. 31, 2019	Jun. 28, 2019
Business Acquisition [Line Items]
Goodwill	$ 881,665	$ 881,665		$ 738,369
Gross Carrying Amount	574,570	574,570		412,657
Noncompete Agreements
Business Acquisition [Line Items]
Gross Carrying Amount	2,500	2,500		0
Harsco Clean Earth Segment
Business Acquisition [Line Items]
Cash and cash equivalents	3,600	3,600
Trade accounts receivable, net	62,500	62,500
Other receivables	2,100	2,100
Other current assets	7,300	7,300
Property, plant and equipment	77,000	77,000
Right-of-use assets	25,800	25,800
Goodwill	330,600	330,600
Intangible assets	242,200	242,200			$ 261,100
Other assets	1,200	1,200
Accounts payable	(23,100)	(23,100)
Other current liabilities	(19,700)	(19,700)
Deferred income taxes	(45,700)	(45,700)
Operating lease liabilities	(19,500)	(19,500)
Total identifiable net assets of Clean Earth	635,700	635,700			635,900
Acquisition consideration payable (b)	0	0
Other liabilities	(8,600)	(8,600)
Harsco Clean Earth Segment
Business Acquisition [Line Items]
Goodwill	482,530	482,530		$ 330,230
Measurement Period Adjustments
Intangible assets		(18,900)
Total identifiable intangible assets of Clean Earth		200
Harsco Clean Earth Segment | ESOL
Business Acquisition [Line Items]
Cash and cash equivalents	400	400	$ 400
Trade accounts receivable, net	124,100	124,100	124,100
Inventory	5,000	5,000	5,000
Other current assets	700	700	700
Property, plant and equipment	105,300	105,300	105,300
Right-of-use assets	56,000	56,000	56,000
Goodwill	152,000	152,000	152,000
Intangible assets	161,000	161,000	161,000
Other assets	200	200	200
Accounts payable	48,600	48,600	48,600
Accrued expenses	(17,500)	(17,500)	(17,500)
Current portion of operating lease liabilities	(16,600)	(16,600)	(16,600)
Other current liabilities	6,400	6,400	6,400
Environmental liabilities	(24,400)	(24,400)	(24,400)
Deferred income taxes	(15,500)	(15,500)	15,500
Operating lease liabilities	39,400	39,400	39,400
Total identifiable net assets of Clean Earth	436,300	436,300	436,300
Gross Carrying Amount	2,500	2,500	2,500
Business Acquisitions, Purchase Price Allocation	438,800	438,800	$ 438,800
Measurement Period Adjustments
Cash and cash equivalents	0
Trade accounts receivable	0
Inventory	0
Other current assets	0
Property, plant and equipment	0
Right-of-use assets	0
Goodwill	0
Intangible assets	0
Other assets	0
Accounts payable	0
Current portion of operating lease liabilities	0
Current portion of operating lease liabilities	0
Other current liabilities	0
Environmental liabilities	0
Deferred income taxes	0
Operating lease liabilities	0
Total identifiable intangible assets of Clean Earth	0
Total identifiable net assets of ESOL	0
Harsco Clean Earth Segment | ESOL | Noncompete Agreements
Measurement Period Adjustments
Intangible assets	$ 0
Harsco Clean Earth Segment | Harsco Clean Earth Segment
Business Acquisition [Line Items]
Cash and cash equivalents					42,800
Trade accounts receivable, net					63,700
Other receivables					800
Other current assets					8,700
Property, plant and equipment					75,600
Right-of-use assets					14,400
Goodwill					313,800
Intangible assets					261,100
Other assets					4,000
Accounts payable					(23,000)
Other current liabilities					(18,000)
Deferred income taxes					(51,200)
Operating lease liabilities					(11,100)
Acquisition consideration payable (b)					(39,200)
Other liabilities					$ (6,500)
Measurement Period Adjustments
Cash and cash equivalents		(39,200)
Trade accounts receivable		(1,200)
Other current assets		(1,400)
Property, plant and equipment		1,400
Right-of-use assets		11,400
Goodwill		16,800
Intangible assets		(18,900)
Other assets		(2,800)
Accounts payable		(100)
Other current liabilities		(1,700)
Deferred income taxes		5,500
Operating lease liabilities		(8,400)
Other receivables		1,300
Acquisition consideration payable (b)		39,200
Other liabilities		$ (2,100)

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Acquisitions and Dispositions - Preliminary Valuation of Identifiable Intangible Assets and Amortization Periods (Details) - USD ($) $ in Thousands			3 Months Ended	12 Months Ended
	Apr. 06, 2020	Jun. 28, 2019	Jun. 30, 2020	Jun. 30, 2020	Dec. 31, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount			$ 574,570	$ 574,570	$ 412,657
Permits
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount			308,432	308,432	170,322
Noncompete Agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount			2,500	2,500	0
Air rights
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount			26,139	26,139	26,139
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount			31,525	31,525	$ 31,719
ESOL | Permits
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period	22 years
Preliminary Valuation	$ 138,000		138,000	138,000
ESOL | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period	10 years
Preliminary Valuation	$ 23,000		23,000	23,000
ESOL | Noncompete Agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period	4 years
Harsco Clean Earth Segment
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary Valuation		$ 261,100	242,200	242,200
Harsco Clean Earth Segment | Permits
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period		18 years
Preliminary Valuation		$ 176,100	170,100	170,100
Harsco Clean Earth Segment | Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period		8 years
Preliminary Valuation		$ 33,400	20,500	20,500
Harsco Clean Earth Segment | Air rights
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period		27 years
Preliminary Valuation		$ 25,600	25,600	25,600
Harsco Clean Earth Segment | Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted-Average Amortization Period		12 years
Preliminary Valuation		$ 26,000	26,000	26,000
Harsco Clean Earth Segment
Measurement Period Adjustments
Permits and rights				(6,000)
Customer relationships				(12,900)
Intangible assets				(18,900)
Air rights				0
Trade names				0
Harsco Clean Earth Segment | ESOL
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary Valuation	$ 161,000		161,000	161,000
Gross Carrying Amount	2,500		2,500	2,500
Total identifiable intangible assets acquired	$ 163,500		163,500	163,500
Measurement Period Adjustments
Intangible assets			0
Harsco Clean Earth Segment | ESOL | Noncompete Agreements
Measurement Period Adjustments
Permits and rights			0
Customer relationships			0
Intangible assets			0
Total identifiable intangible assets acquired			$ 0
Harsco Clean Earth Segment | Harsco Clean Earth Segment
Acquired Finite-Lived Intangible Assets [Line Items]
Preliminary Valuation		$ 261,100
Measurement Period Adjustments
Intangible assets				$ (18,900)

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Acquisitions and Dispositions - Pro Forma Information (Details) - Clean Earth and ESOL - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Business Acquisition [Line Items]
Pro forma revenues	$ 447.3	$ 564.4	$ 976.8	$ 1,078.1
Pro forma net income (including discontinued operations)	$ 2.0	$ 23.5	$ 2.7	$ 12.8

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Acquisitions and Dispositions - Financial Information Included in Net Income from Discontinued Operations (Details) - Harsco Industrial - Discontinued Operations, Held-for-sale - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Amounts directly attributable to the former Harsco Industrial Segment:
Total revenues	$ 0	$ 116,796	$ 10,203	$ 234,182
Cost of products sold	0	85,319	8,082	173,014
Income from discontinued business	(95)	9,882	123	24,074
Additional amounts allocated to the former Harsco Industrial Segment:
Selling, general and administrative expenses	(77)	3,527	1,189	3,527
Interest expense	$ 0	$ 7,005	$ 0	$ 11,237

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Acquisitions and Dispositions - Condensed Consolidated Statements of Cash Flows (Details) - Harsco Industrial - Discontinued Operations, Held-for-sale - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Non-cash operating items
Depreciation and amortization	$ 0	$ 3,301
Cash flows from investing activities
Purchases of property, plant and equipment	$ 106	$ 5,221

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Accounts Receivable (Details) - USD ($)	Jun. 30, 2020	Jan. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	$ 413,638,000			$ 323,502,000
Receivable with Imputed Interest, Face Amount	$ 40,000,000
Note Receivable; Interest Rate; Stated percentage	2.50%
Accounts Receivable Greater than 12 Months Reserved [Line Items]	$ 1
Greater than 12 months [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable	$ 4,600,000
Harsco Industrial IKG [Member] | Disposal Group, Disposed of by Sale, Not Discontinued Operations
Accounts, Notes, Loans and Financing Receivable [Line Items]
Selling price			$ 85,000,000
Receivable with Imputed Interest, Face Amount		$ 40,000,000.0

XML

Accounts Receivable - Schedule of Receivables (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Apr. 06, 2020	Jan. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Receivables [Abstract]
Receivables, Fair Value Disclosure	$ 34,700		$ 34,300	$ 34,300
Receivable with Imputed Interest, Net Amount	34,977				$ 0
Trade accounts receivable	413,638				323,502
Less: Allowance for expected credit losses and doubtful accounts (a) (b)	(7,073)				(13,512)
Trade accounts receivable, net	406,565				309,990
Other receivables	19,601				$ 21,265
ESOL | Harsco Clean Earth Segment
Receivables [Abstract]
Trade accounts receivable, net	124,100	$ 124,100
Accounts, Notes, Loans and Financing Receivable [Line Items]
Trade accounts receivable, net	$ 124,100	124,100
Accounts Receivable, Allowance for Credit Loss		$ 12,100

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Accounts Receivable - Schedule of Changes in Provisions For Allowance For Credit Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Receivables [Abstract]
Provision for expected credit losses and doubtful accounts related to trade accounts receivable	$ 18	$ 5,433	$ 237	$ 5,423

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Accounts Receivable - Schedule of Fair Value of Notes Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jan. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Receivables [Abstract]
Receivable with Imputed Interest, Net Amount	$ 34,977			$ 0
Receivables, Fair Value Disclosure	$ 34,700	$ 34,300	$ 34,300

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Inventories (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2018	Dec. 31, 2016
Revenue from External Customer [Line Items]
Contract estimated forward loss provision for Harsco Rail Segment					$ 1,800,000	$ 45,100,000
Loss provision that exceeds accumulated contract costs	$ 7,000,000.0		$ 7,000,000.0
Revenues	447,281,000	$ 350,898,000	846,122,000	$ 680,800,000
Contract Margin			0
SBB [Member]
Revenue from External Customer [Line Items]
Revenues	$ 7,600,000	$ 5,900,000	$ 17,700,000	$ 10,600,000
Contract 2 [Member] | SBB [Member]
Revenue from External Customer [Line Items]
Percentage complete	56.00%		56.00%

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Inventories - Schedule of Inventory (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Inventory Disclosure [Abstract]
Finished goods	$ 13,233	$ 14,550
Work-in-process	12,107	13,088
Raw materials and purchased parts	117,900	104,488
Stores and supplies	30,333	24,865
Total inventories	$ 173,573	$ 156,991

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Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Property, Plant and Equipment
Gross property, plant and equipment	$ 1,845,483	$ 1,806,603
Less: Accumulated depreciation	(1,211,131)	(1,244,817)
Property, plant and equipment, net	634,352	561,786
Land
Property, Plant and Equipment
Gross property, plant and equipment	75,579	30,409
Land improvements
Property, Plant and Equipment
Gross property, plant and equipment	18,461	19,155
Buildings and improvements
Property, Plant and Equipment
Gross property, plant and equipment	219,883	182,795
Machinery and equipment
Property, Plant and Equipment
Gross property, plant and equipment	1,473,061	1,518,652
Construction in progress
Property, Plant and Equipment
Gross property, plant and equipment	$ 58,499	$ 55,592

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Leases - Narrative (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2020	Apr. 06, 2020	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Operating And Finance Leases, Excluding Short Term Leases, Renewal Option	10 years
Weighted average remaining lease term - Operating leases (in years)	8 years 3 months 29 days		11 years 6 months 25 days
Operating And Finance Leases, Excluding Short Term Leases, Termination Option	1 year
ESOL | Harsco Clean Earth Segment
Lessee, Lease, Description [Line Items]
Right-of-use assets	$ 56.0	$ 56.0
Minimum
Lessee, Lease, Description [Line Items]
Operating And Finance Leases, Excluding Short Term Leases, Weighted-Average Remaining Lease Term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Operating And Finance Leases, Excluding Short Term Leases, Weighted-Average Remaining Lease Term	30 years 3 months 18 days

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Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Finance leases:
Amortization expense	$ 367	$ 312	$ 738	$ 586
Interest on lease liabilities	44	37	96	41
Operating leases	8,904	3,435	13,188	7,127
Variable and short-term lease expense	10,485	4,818	17,596	9,609
Sublease Income	(48)	0	(98)	0
Total lease expense from continuing operations	$ 19,752	$ 8,602	$ 31,520	$ 17,363

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Leases - Supplemental Cash Flow Information Related to Leases (Details) - USD ($)			6 Months Ended
	Jun. 28, 2019	Jan. 01, 2019	Jun. 30, 2020	Jun. 30, 2019
Cash paid for amounts included in the measurement of lease liabilities:
Cash flows from operating activities - Operating leases			$ 12,384,000	$ 6,743,000
Finance Lease, Interest Payment on Liability			663,000	637,000
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$ 14.4		67,534,000	50,696,000
Finance leases			$ 1,234,000	$ 1,692,000
Harsco Clean Earth Segment
Right-of-use assets obtained in exchange for lease obligations:
Operating leases		$ 34,000,000

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Leases - Supplemental Balance Sheet Information Related to Leases (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Operating Leases:
Right-of-use assets, net	$ 101,743	$ 52,065
Current portion of operating lease liabilities	27,850	12,544
Operating lease liabilities	71,553	36,974
Finance Leases:
Property, plant and equipment, net	3,891	3,519
Current maturities of long-term debt	1,289	1,237
Long-term debt	$ 2,735	$ 2,218

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Leases - Supplemental Additional Information (Details)	Jun. 30, 2020	Dec. 31, 2019
Other information:
Weighted average remaining lease term - Operating leases (in years)	8 years 3 months 29 days	11 years 6 months 25 days
Weighted average remaining lease term - Finance leases (in years)	3 years 9 months 7 days	4 years 3 days
Weighted average discount rate - Operating leases	6.10%	6.30%
Weighted average discount rate - Finance leases	4.20%	4.20%

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Leases - Maturities of Lease Liabilities (Details) $ in Thousands	Jun. 30, 2020 USD ($)
Leases [Abstract]
Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months	$ 16,446
Finance Lease, Liability, Payments, Due Next Twelve Months	691
Operating Leases
2021	27,125
2022	20,395
2023	15,786
2024	10,735
After 2024	41,421
Total lease payments	131,908
Less: Imputed interest	(32,505)
Total	99,403
Finance Leases
2021	1,208
2022	949
2023	749
2024	587
After 2024	43
Total lease payments	4,227
Less: Imputed interest	(203)
Total	$ 4,024

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Goodwill and Other Intangible Assets - Changes in Carrying Amounts of Goodwill by Segment (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2020 USD ($)
Changes in carrying amounts of goodwill
Balance at December 31, 2019	$ 738,369
Goodwill, Other Increase (Decrease)	153,779
Foreign currency translation	(10,483)
Balance at June 30, 2020	881,665
Harsco Environmental Segment
Changes in carrying amounts of goodwill
Balance at December 31, 2019	395,113
Goodwill, Other Increase (Decrease)	1,479
Foreign currency translation	(10,483)
Balance at June 30, 2020	386,109
Harsco Clean Earth Segment
Changes in carrying amounts of goodwill
Balance at December 31, 2019	330,230
Goodwill, Other Increase (Decrease)	152,300
Foreign currency translation	0
Balance at June 30, 2020	482,530
Harsco Rail Segment
Changes in carrying amounts of goodwill
Balance at December 31, 2019	13,026
Goodwill, Other Increase (Decrease)	0
Foreign currency translation	0
Balance at June 30, 2020	$ 13,026

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Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Intangible Assets, by category
Gross Carrying Amount	$ 574,570		$ 574,570		$ 412,657
Accumulated Amortization	125,125		125,125		113,575
Amortization expense for intangible assets	8,352	$ 1,901	14,270	$ 3,840
Estimated amortization expense for next 5 years
2020	31,200		31,200
2021	32,300		32,300
2022	31,600		31,600
2023	31,600		31,600
2024	31,100		31,100
Customer related
Intangible Assets, by category
Gross Carrying Amount	165,770		165,770		143,996
Accumulated Amortization	101,512		101,512		99,327
Permits
Intangible Assets, by category
Gross Carrying Amount	308,432		308,432		170,322
Accumulated Amortization	11,028		11,028		4,694
Patents
Intangible Assets, by category
Gross Carrying Amount	185		185		249
Accumulated Amortization	130		130		168
Technology related
Intangible Assets, by category
Gross Carrying Amount	36,411		36,411		36,467
Accumulated Amortization	6,966		6,966		5,635
Trade names
Intangible Assets, by category
Gross Carrying Amount	31,525		31,525		31,719
Accumulated Amortization	3,452		3,452		2,182
Air rights
Intangible Assets, by category
Gross Carrying Amount	26,139		26,139		26,139
Accumulated Amortization	743		743		411
Other
Intangible Assets, by category
Gross Carrying Amount	3,608		3,608		3,765
Accumulated Amortization	1,138		1,138		1,158
Noncompete Agreements
Intangible Assets, by category
Gross Carrying Amount	2,500		2,500		$ 0
Accumulated Amortization	$ 156		$ 156

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Debt and Credit Agreements - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Mar. 31, 2020	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2019
Debt Instrument [Line Items]
Debt Issuance Costs, Noncurrent, Net		$ 1,900		$ 1,900
Net Debt to Consolidated Adjusted EBITDA Ratio Covenant		5.25		5.25				4.50
Other Nonoperating Expense		$ 1,432	$ 7,435	$ 1,920	$ 7,435
Debt Instrument, Covenant, Increase In Leverage Ratio				0.0025
LIBOR | Minimum
Debt Instrument [Line Items]
Variable rate basis spread	1.50%
LIBOR | Maximum
Debt Instrument [Line Items]
Variable rate basis spread	2.25%
Subsequent Event [Member]
Debt Instrument [Line Items]
Net Debt to Consolidated Adjusted EBITDA Ratio Covenant						4.75	5.75
Term Loan 2020 [Member]
Debt Instrument [Line Items]
Long-term Debt		$ 280,000		$ 280,000

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Employee Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Defined benefit plans:
Multiemployer pension plans	$ 379	$ 483	$ 788	$ 1,004
Defined contribution pension plans	1,897	2,969	5,066	6,359
Pension Plan | U.S. Plans
Defined benefit plans:
Service cost	0	10	0	20
Interest cost	1,845	2,651	3,690	5,302
Expected return on plan assets	(2,842)	(2,593)	(5,684)	(5,186)
Recognized prior service costs	0	0	0	0
Recognized loss	1,225	1,405	2,650	2,810
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment	0	129	0	129
Defined benefit pension plans net periodic pension cost (benefit)	228	1,602	656	3,075
Defined benefit pension plan	460	2,011	2,487	3,490
Anticipated contributions to defined benefit pension plans during the remainder of the fiscal year	5,700		5,700
Pension Plan | International Plans
Defined benefit plans:
Service cost	426	357	855	713
Interest cost	4,235	5,548	8,630	11,212
Expected return on plan assets	(9,833)	(9,319)	(20,023)	(18,836)
Recognized prior service costs	106	65	213	131
Recognized loss	3,532	3,577	7,187	7,230
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement and Curtailment		0	0
Defined benefit pension plans net periodic pension cost (benefit)	(1,534)	228	(3,138)	450
Defined benefit pension plan	1,493	$ 3,131	11,553	$ 12,401
Anticipated contributions to defined benefit pension plans during the remainder of the fiscal year	$ 8,400		$ 8,400

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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Business Acquisition [Line Items]
Income tax expense (benefit)	$ (2,304)	$ 3,994	$ (2,986)	$ 5,213
Unrecognized income tax benefits including interest and penalties	3,700		3,700
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ 300		300
ESOL
Business Acquisition [Line Items]
Acquisition Costs, Period Cost		$ 5,000	$ 16,000

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Commitments and Contingencies (Details)			1 Months Ended	6 Months Ended
	Apr. 01, 2020 USD ($) enforcementAction	Jun. 04, 2018 USD ($)	Aug. 31, 2005 USD ($)	Jun. 30, 2020 USD ($) case defendant claim enforcementAction	Dec. 31, 2019 USD ($)	Nov. 01, 2019 USD ($)	Nov. 01, 2019 BRL (R$)	Jun. 13, 2019 USD ($)	Mar. 19, 2019 USD ($)	Mar. 19, 2019 BRL (R$)
Commitments and Contingencies
Reserve for loss contingencies				$ 7,000,000.0
Penalties per day						$ 5,000	R$ 25,000		$ 900	R$ 5,000
Penalties						1,900,000	10,000,000
Current Portion of Environmental Liabilities				6,115,000	$ 3,431,000
Total Environmental Liabilities				$ 36,142,000	9,031,000
Enforcement Actions | enforcementAction				3
Events | enforcementAction	3
Pennsylvania Department Of Environmental Protection, Processed Slag | Threatened Litigation
Commitments and Contingencies
Loss contingency reserves								$ 400,000
Netherlands
Commitments and Contingencies
Damages sought - interest, penalties and fees				$ 500,000
Allegheny County Health Department [Member]
Commitments and Contingencies
Penalties	$ 4,500
Damages sought - interest, penalties and fees				100,000
Brazilian Tax Disputes - Jan 2004 through May 2005 | Sao Paulo State Revenue Authority
Commitments and Contingencies
Damages sought - interest, penalties and fees				15,700,000
Damages sought - principal				1,100,000
Loss contingency, reduced penalty		$ 1,000,000
Amount of damages sought		$ 7,000,000
Brazilian Tax Disputes - Jan 2002 through Dec 2003 | Sao Paulo State Revenue Authority
Commitments and Contingencies
Damages sought - interest, penalties and fees			$ 3,600,000
Damages sought - principal			1,100,000
Loss contingency, reduced penalty			1,100,000
Amount of damages sought			4,700,000
Loss contingency, reduced penalty, including interest			$ 9,300,000
Brazilian Labor Claims
Commitments and Contingencies
Loss contingency reserves				$ 4,600,000	$ 6,500,000
Other
Commitments and Contingencies
Approximate number of defendants that includes the company named in legal actions | defendant				90
Number of pending claims | claim				17,140
Number of claims dismissed to date by stipulation or summary judgment prior to trial | case				28,253
Other | Active or In Extremis docket
Commitments and Contingencies
Number of pending claims | claim				35
Other | Minimum
Commitments and Contingencies
Amount of damages sought				$ 20,000,000
Other | Maximum
Commitments and Contingencies
Amount of damages sought				$ 25,000,000
Other | New York County as managed by the New York Supreme Court
Commitments and Contingencies
Number of pending claims | case				16,585
Other | New York County as managed by the New York Supreme Court | Pending And Future Litigation, Deferred Or Inactive Docket
Commitments and Contingencies
Number of pending claims | claim				16,550
Other | New York State Supreme Court, Counties Excluding New York County
Commitments and Contingencies
Number of pending claims | case				117
Other | Courts Located In States Other Than New York
Commitments and Contingencies
Number of pending claims | case				438
CSN
Commitments and Contingencies
Penalties per day						$ 19,000	R$ 100,000		$ 4,000	R$ 20,000
Bahrain Operations, Salt Cake Processing Site [Member]
Commitments and Contingencies
Minority interest				35.00%

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Reconciliation of Basic and Diluted Shares - Reconciliation of Basic and Diluted Shares (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Income (loss) from continuing operations, net of tax	$ (10,750)	$ (2,852)	$ (19,532)	$ 7,622
Weighted-average shares outstanding - basic (in shares)	78,987	80,328	78,874	80,119
Dilutive effect of stock-based compensation (in shares)	0	0	0	1,955
Weighted-average shares outstanding - diluted (in shares)	78,987	80,328	78,874	82,074
Earnings (loss) from continuing operations per common share, attributable to Harsco Corporation common stockholders:
Basic (in dollars per share)	$ (0.14)	$ (0.04)	$ (0.25)	$ 0.10
Diluted (in dollars per share)	$ (0.14)	$ (0.04)	$ (0.25)	$ 0.09

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Reconciliation of Basic and Diluted Shares - Antidilutive Securities Excluded from Computation of Earnings per Share (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Restricted Stock Units (RSUs) [Member]
Antidilutive securities
Number of securities not included in computation of diluted earnings per share (in shares)	739	443	744	0
Stock appreciation rights
Antidilutive securities
Number of securities not included in computation of diluted earnings per share (in shares)	2,472	1,919	2,558	389
Performance share units
Antidilutive securities
Number of securities not included in computation of diluted earnings per share (in shares)	896	685	918	116

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Derivative Instruments, Hedging Activities and Fair Value - Fair Value of Outstanding Derivative Contracts (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Derivative contracts
Asset derivatives	$ 8,138	$ 2,985
Liability derivatives	10,174	10,252
Foreign currency exchange forward contracts | Other current assets
Derivative contracts
Asset derivatives	8,138	2,985
Foreign currency exchange forward contracts | Other current liabilities
Derivative contracts
Liability derivatives	1,165	3,873
Interest rate swaps | Other current liabilities
Derivative contracts
Liability derivatives	3,673	2,098
Interest rate swaps | Other liabilities
Derivative contracts
Liability derivatives	5,336	4,281
Fair Value of Derivatives Designated as Hedging Instruments
Derivative contracts
Asset derivatives	3,406	2,039
Liability derivatives	9,168	6,519
Fair Value of Derivatives Designated as Hedging Instruments | Foreign currency exchange forward contracts | Other current assets
Derivative contracts
Asset derivatives	3,406	2,039
Fair Value of Derivatives Designated as Hedging Instruments | Foreign currency exchange forward contracts | Other current liabilities
Derivative contracts
Liability derivatives	159	140
Fair Value of Derivatives Designated as Hedging Instruments | Interest rate swaps | Other current liabilities
Derivative contracts
Liability derivatives	3,673	2,098
Fair Value of Derivatives Designated as Hedging Instruments | Interest rate swaps | Other liabilities
Derivative contracts
Liability derivatives	5,336	4,281
Fair Value of Derivatives Not Designated as Hedging Instruments
Derivative contracts
Asset derivatives	4,732	946
Liability derivatives	1,006	3,733
Fair Value of Derivatives Not Designated as Hedging Instruments | Foreign currency exchange forward contracts | Other current assets
Derivative contracts
Asset derivatives	4,732	946
Fair Value of Derivatives Not Designated as Hedging Instruments | Foreign currency exchange forward contracts | Other current liabilities
Derivative contracts
Liability derivatives	1,006	3,733
Fair Value of Derivatives Not Designated as Hedging Instruments | Interest rate swaps | Other current liabilities
Derivative contracts
Liability derivatives	0	0
Fair Value of Derivatives Not Designated as Hedging Instruments | Interest rate swaps | Other liabilities
Derivative contracts
Liability derivatives	$ 0	$ 0

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Derivative Instruments, Hedging Activities and Fair Value - Narrative (Details) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2022	Dec. 31, 2019	Feb. 28, 2018
Foreign Currency Derivatives
Liabilities		$ 2,161,758,000		$ 2,161,758,000			$ 1,577,808,000
Pre-tax net gains (losses) on certain loans designated as hedges of net investments in foreign subsidiaries		(2,400,000)	$ (5,500,000)	(12,100,000)	$ (700,000)
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income		695,000		(26,000)
Long-term debt		1,251,400,000		1,251,400,000			827,200,000
Derivative Asset, Fair Value, Amount Not Offset Against Collateral		2,500,000		2,500,000
Foreign currency exchange forward contracts
Foreign Currency Derivatives
Derivative, Notional Amount		453,000,000.0		453,000,000.0			496,300,000
Term Loan Facility, Fixed-Rate | Term Loan
Foreign Currency Derivatives
Principal amount		200,000,000.0		$ 200,000,000.0				$ 300,000,000.0
LIBOR | Term Loan Facility, Fixed-Rate | Term Loan
Foreign Currency Derivatives
Variable rate basis spread				2.45%
LIBOR | Forecast [Member] | Term Loan Facility, Fixed-Rate | Term Loan
Foreign Currency Derivatives
Variable rate basis spread						3.12%
Floating-Rate To Fixed-Rate
Foreign Currency Derivatives
Converted debt	$ 100,000,000.0
Reported Value Measurement
Foreign Currency Derivatives
Long-term debt		$ 1,262,400,000		$ 1,262,400,000			$ 795,000,000.0

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Derivative Instruments, Hedging Activities and Fair Value - Effect of Derivative Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Effect of derivative instruments
Amount Recognized in OCI on Derivatives	$ (116)		$ (1,599)
Amount Recognized in OCI on Derivatives		$ (3,604)		$ (7,677)
Amount Reclassified from AOCI into Income - Effective Portion or Equity	695		(26)
Amount Reclassified from AOCI into Income - Effective Portion or Equity		2,384		2,365
Foreign currency exchange forward contracts
Effect of derivative instruments
Amount Recognized in OCI on Derivatives	41		2,078
Amount Recognized in OCI on Derivatives		669		(43)
Foreign currency exchange forward contracts | Cost of services and products sold
Effect of derivative instruments
Amount Reclassified from AOCI into Income - Effective Portion or Equity	332		1,736
Amount Reclassified from AOCI into Income - Effective Portion or Equity		(389)		(421)
Interest rate swaps | Amount Reclassified from Accumulated Other Comprehensive Loss | Effective Portion of Deriviatives Designated as Hedging Instruments
Effect of derivative instruments
Income from discontinued business	0	2,741	0	2,741
Interest rate swaps | Interest Expense
Effect of derivative instruments
Amount Reclassified from AOCI into Income - Effective Portion or Equity	732		1,110
Amount Reclassified from AOCI into Income - Effective Portion or Equity		(271)		(572)
Interest rate swaps
Effect of derivative instruments
Amount Recognized in OCI on Derivatives	(162)		(3,740)
Amount Recognized in OCI on Derivatives		(4,327)		(7,636)
Cross currency interest rate swaps
Effect of derivative instruments
Amount Recognized in OCI on Derivatives	5		63
Amount Recognized in OCI on Derivatives		54		2
Cross currency interest rate swaps | Interest Expense
Effect of derivative instruments
Amount Reclassified from AOCI into Income - Effective Portion or Equity	$ 295		$ 600
Amount Reclassified from AOCI into Income - Effective Portion or Equity		$ 303		$ 617

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Derivative Instruments, Hedging Activities and Fair Value - Derivatives Designated as Hedging Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative [Line Items]
Product Revenues	$ 447,281	$ 350,898	$ 846,122	$ 680,800
Interest Expense	(14,953)	(6,103)	(27,602)	(11,610)
Income From Discontinued Businesses	(524)	(9,936)	(299)	(23,686)
Amount of gain or reclassified from AOCI into income	(695)		26
Interest rate swaps | Amount Reclassified from Accumulated Other Comprehensive Loss | Effective Portion of Deriviatives Designated as Hedging Instruments
Derivative [Line Items]
Interest Expense	(732)	271	(1,110)	572
Income from discontinued business	0	(2,741)	0	(2,741)
Cross-currency interest rate swaps | Amount Reclassified from Accumulated Other Comprehensive Loss | Effective Portion of Deriviatives Designated as Hedging Instruments
Derivative [Line Items]
Interest Expense	(295)	(303)	(600)	(617)
Foreign currency exchange forward contracts | Amount Reclassified from Accumulated Other Comprehensive Loss | Effective Portion of Deriviatives Designated as Hedging Instruments
Derivative [Line Items]
Cost of services sold	0	44	0	44
Product Revenues | Interest rate swaps
Derivative [Line Items]
Amount of gain or reclassified from AOCI into income	0
Amount of gain or reclassified from AOCI into income		0
Product Revenues | Foreign exchange contracts
Derivative [Line Items]
Amount of gain or reclassified from AOCI into income	332		1,736
Amount of gain or reclassified from AOCI into income		433	465
Amount excluded from effectiveness testing recognized in earnings	13		196
Amount excluded from effectiveness testing recognized in earnings		238	316
Derivative Instruments, Loss Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing	21		21
Product Revenues | Cross-currency interest rate swaps
Derivative [Line Items]
Amount of gain or reclassified from AOCI into income	0
Amount of gain or reclassified from AOCI into income		0
Interest Expense | Interest rate swaps
Derivative [Line Items]
Amount of gain or reclassified from AOCI into income	(732)		(1,110)
Amount of gain or reclassified from AOCI into income		271		572
Interest Expense | Foreign exchange contracts
Derivative [Line Items]
Amount of gain or reclassified from AOCI into income	0
Amount of gain or reclassified from AOCI into income		0
Amount excluded from effectiveness testing recognized in earnings	0
Amount excluded from effectiveness testing recognized in earnings		0
Interest Expense | Cross-currency interest rate swaps
Derivative [Line Items]
Amount of gain or reclassified from AOCI into income	(295)		(600)
Amount of gain or reclassified from AOCI into income		(303)		(617)
Cost of services and products sold | Foreign currency exchange forward contracts
Derivative [Line Items]
Amount of gain or reclassified from AOCI into income	(332)		(1,736)
Amount of Gain Recognized in Income on Derivatives	1,736	2,770	7,278	5,094
Product Revenues
Derivative [Line Items]
Product Revenues	101,703	112,895	209,205	213,277
Cost of services sold	78,320	79,355	158,469	148,664
Products And Services, Service Revenue [Member]
Derivative [Line Items]
Product Revenues	345,578	238,003	636,917	467,523
Cost of services sold	$ 285,822	186,840	$ 522,141	368,711
Amount of gain or reclassified from AOCI into income		$ (44)		$ (44)

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Review of Operations by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Operations by segment
Revenues	$ 447,281	$ 350,898	$ 846,122	$ 680,800
Operating income from continuing operations	1,868	17,799	4,749	37,623	$ 37,623
Interest income	816	591	1,009	1,124
Interest expense	(14,953)	(6,103)	(27,602)	(11,610)
Unused debt commitment and amendment fees	(1,432)	(7,435)	(1,920)	(7,435)
Defined benefit pension income (expense)	(1,723)	1,472	(3,312)	2,810
Income (loss) from continuing operations before income taxes and equity income	(11,978)	3,380	(20,452)	16,892
Capital Expenditures	23,320	51,747	51,107	85,979
Depreciation	31,579	28,523	61,512	59,857
Amortization			15,672	5,792
Amortization Excluding Deferred Financing Costs	9,115	2,600	15,672	5,230
Depreciation Excluding Industrial Segment			61,303	57,117
Operating Segments
Operations by segment
Operating income from continuing operations	21,992	37,020	43,229	66,906
Corporate
Operations by segment
Operating income from continuing operations	(20,124)	(19,221)	(38,480)	(29,283)
Capital Expenditures	324	287	382	1,440
Depreciation	521	718	1,034	1,378
Amortization	764	699	1,403	1,391
Harsco Environmental Segment | Operating Segments
Operations by segment
Revenues	203,991	269,338	445,550	530,650
Operating income from continuing operations	13,563	27,577	24,083	52,074
Capital Expenditures	18,654	45,095	43,402	74,258
Depreciation	24,663	26,680	50,038	53,517
Amortization	1,921	1,817	3,857	3,685
Harsco Clean Earth Segment | Operating Segments
Operations by segment
Revenues	161,579	0	240,391	0
Operating income from continuing operations	(202)	0	4,043	0
Capital Expenditures	3,045	0	4,487	0
Depreciation	5,138	0	7,759	0
Amortization	6,347	0	10,245	0
Harsco Rail Segment | Operating Segments
Operations by segment
Revenues	81,711	81,560	160,181	150,150
Operating income from continuing operations	8,631	9,443	15,103	14,832
Capital Expenditures	1,297	6,365	2,836	10,281
Depreciation	1,257	1,125	2,472	2,222
Amortization	$ 83	$ 84	$ 167	$ 154

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Revenue Recognition - Revenues by Primary Geographical Markets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Total revenues	$ 447,281	$ 350,898	$ 846,122	$ 680,800
Waste Processing and Reuse Solutions [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	161,579	0	240,391	0
Environmental services related to resource recovery for metals manufacturing and related logistical services
Disaggregation of Revenue [Line Items]
Total revenues	174,173	230,395	381,519	454,456
Applied Products [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	26,591	33,686	56,853	64,076
Aluminum Dross and Scrap Processing Systems [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	3,227	5,257	7,178	12,118
Railway Track Maintenance Equipment [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	40,411	38,960	83,026	72,568
After-market Parts and Services; Safety and Diagnostic Technology [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	32,500	36,700	63,700	68,001
Railway Contracting Services [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	8,800	5,900	13,455	9,581
North America
Disaggregation of Revenue [Line Items]
Total revenues	275,396	143,390	477,862	267,104
Western Europe
Disaggregation of Revenue [Line Items]
Total revenues	99,827	109,016	214,308	217,250
Latin America
Disaggregation of Revenue [Line Items]
Total revenues	25,623	37,045	59,548	74,627
Asia-Pacific
Disaggregation of Revenue [Line Items]
Total revenues	27,774	40,750	55,638	82,509
Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenues	14,793	15,742	30,682	29,657
Eastern Europe
Disaggregation of Revenue [Line Items]
Total revenues	3,868	4,955	8,084	9,653
Operating Segments | Harsco Environmental Segment
Disaggregation of Revenue [Line Items]
Total revenues	203,991	269,338	445,550	530,650
Operating Segments | Harsco Environmental Segment | Waste Processing and Reuse Solutions [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Environmental Segment | Environmental services related to resource recovery for metals manufacturing and related logistical services
Disaggregation of Revenue [Line Items]
Total revenues	174,173	230,395	381,519	454,456
Operating Segments | Harsco Environmental Segment | Applied Products [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	26,591	33,686	56,853	64,076
Operating Segments | Harsco Environmental Segment | Aluminum Dross and Scrap Processing Systems [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	3,227	5,257	7,178	12,118
Operating Segments | Harsco Environmental Segment | Railway Track Maintenance Equipment [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Environmental Segment | After-market Parts and Services; Safety and Diagnostic Technology [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Environmental Segment | Railway Contracting Services [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Environmental Segment | North America
Disaggregation of Revenue [Line Items]
Total revenues	57,356	78,112	127,237	151,461
Operating Segments | Harsco Environmental Segment | Western Europe
Disaggregation of Revenue [Line Items]
Total revenues	82,972	98,478	179,289	196,699
Operating Segments | Harsco Environmental Segment | Latin America
Disaggregation of Revenue [Line Items]
Total revenues	25,108	36,272	58,368	73,263
Operating Segments | Harsco Environmental Segment | Asia-Pacific
Disaggregation of Revenue [Line Items]
Total revenues	19,894	35,779	41,890	69,917
Operating Segments | Harsco Environmental Segment | Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenues	14,793	15,742	30,682	29,657
Operating Segments | Harsco Environmental Segment | Eastern Europe
Disaggregation of Revenue [Line Items]
Total revenues	3,868	4,955	8,084	9,653
Operating Segments | Harsco Clean Earth Segment
Disaggregation of Revenue [Line Items]
Total revenues	161,579	0	240,391	0
Operating Segments | Harsco Clean Earth Segment | Waste Processing and Reuse Solutions [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	161,579	0	240,391	0
Operating Segments | Harsco Clean Earth Segment | Environmental services related to resource recovery for metals manufacturing and related logistical services
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Clean Earth Segment | Applied Products [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Clean Earth Segment | Aluminum Dross and Scrap Processing Systems [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Clean Earth Segment | Railway Track Maintenance Equipment [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Clean Earth Segment | After-market Parts and Services; Safety and Diagnostic Technology [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Clean Earth Segment | Railway Contracting Services [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Clean Earth Segment | North America
Disaggregation of Revenue [Line Items]
Total revenues	161,579	0	240,391	0
Operating Segments | Harsco Clean Earth Segment | Western Europe
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Clean Earth Segment | Latin America
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Clean Earth Segment | Asia-Pacific
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Clean Earth Segment | Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Clean Earth Segment | Eastern Europe
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Rail Segment
Disaggregation of Revenue [Line Items]
Total revenues	81,711	81,560	160,181	150,150
Operating Segments | Harsco Rail Segment | Waste Processing and Reuse Solutions [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Rail Segment | Environmental services related to resource recovery for metals manufacturing and related logistical services
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Rail Segment | Applied Products [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0
Operating Segments | Harsco Rail Segment | Aluminum Dross and Scrap Processing Systems [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Rail Segment | Railway Track Maintenance Equipment [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	40,411	38,960	83,026	72,568
Operating Segments | Harsco Rail Segment | After-market Parts and Services; Safety and Diagnostic Technology [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	32,500	36,700	63,700	68,001
Operating Segments | Harsco Rail Segment | Railway Contracting Services [Domain]
Disaggregation of Revenue [Line Items]
Total revenues	8,800	5,900	13,455	9,581
Operating Segments | Harsco Rail Segment | North America
Disaggregation of Revenue [Line Items]
Total revenues	56,461	65,278	110,234	115,643
Operating Segments | Harsco Rail Segment | Western Europe
Disaggregation of Revenue [Line Items]
Total revenues	16,855	10,538	35,019	20,551
Operating Segments | Harsco Rail Segment | Latin America
Disaggregation of Revenue [Line Items]
Total revenues	515	773	1,180	1,364
Operating Segments | Harsco Rail Segment | Asia-Pacific
Disaggregation of Revenue [Line Items]
Total revenues	7,880	4,971	13,748	12,592
Operating Segments | Harsco Rail Segment | Middle East and Africa
Disaggregation of Revenue [Line Items]
Total revenues	0	0	0	0
Operating Segments | Harsco Rail Segment | Eastern Europe
Disaggregation of Revenue [Line Items]
Total revenues	$ 0	$ 0	$ 0	$ 0

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Revenue Recognition - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Revenue from Contract with Customer [Abstract]
Total contract assets	$ 59.0		$ 59.0		$ 31.2
Total advances on contracts	98.5		98.5		$ 60.3
Revenue recognized	$ 16.0	$ 19.0	$ 34.0	$ 37.0

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Revenue Recognition - Remaining Performance Obligation (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Harsco Metals and Minerals
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 98.7
Harsco Metals and Minerals | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	33.0
Period of expected timing of satisfaction		1 year
Harsco Metals and Minerals | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	19.6
Period of expected timing of satisfaction		1 year
Harsco Metals and Minerals | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	16.3
Period of expected timing of satisfaction		1 year
Harsco Metals and Minerals | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	12.8
Period of expected timing of satisfaction		1 year
Harsco Metals and Minerals | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Period of expected timing of satisfaction		1 year
Harsco Rail Segment
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	360.7
Harsco Rail Segment | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	126.0
Period of expected timing of satisfaction		1 year
Harsco Rail Segment | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	121.8
Period of expected timing of satisfaction		1 year
Harsco Rail Segment | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	55.2
Period of expected timing of satisfaction		1 year
Harsco Rail Segment | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 46.5
Period of expected timing of satisfaction		1 year
Harsco Rail Segment | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Period of expected timing of satisfaction		1 year

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Revenue Recognition - Remaining Performance Obligation (2) (Details) $ in Millions	Jun. 30, 2020 USD ($)
Harsco Metals and Minerals
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 98.7
Harsco Rail Segment
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation	$ 360.7

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Other (Income) Expenses, Net (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Other Income and Expenses [Abstract]
Employee termination benefit costs	$ 441	$ 997	$ 5,896	$ 3,516
Net gains	(229)	0	(248)	(2,271)
Other costs to exit activities	289	1,192	465	2,347
Impaired asset write-downs	4	0	73	214
Contingent consideration adjustments	0	(3,880)	0	(3,511)
Other	(797)	(26)	(745)	(269)
Other expenses, net	$ (292)	$ (1,717)	$ 5,441	$ 26

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Components of Accumulated Other Comprehensive Loss - Accumulated Other Comprehensive Income Loss (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Jan. 01, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets							$ 0
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	$ 758,870	$ 789,659	$ 335,272	$ 313,376	$ 789,659	$ 313,376
Other comprehensive income (loss) before reclassifications					(43,044)	(901)
Amounts reclassified from accumulated other comprehensive loss					26,073	9,030
Total other comprehensive income	13,031	(30,002)	3,598	4,531	(16,971)	8,129
Other comprehensive income attributable to noncontrolling interests					975	178
Other comprehensive income (loss) attributable to Harsco Corporation					(15,996)	8,307
Ending balance	764,516	758,870	349,114	335,272	764,516	349,114
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance		(143,340)		(159,810)	(143,340)	(159,810)
Other comprehensive income (loss) before reclassifications					(65,677)	2,775
Amounts reclassified from accumulated other comprehensive loss					12,906	(2,271)
Total other comprehensive income					(52,771)	504
Other comprehensive income attributable to noncontrolling interests					975	178
Other comprehensive income (loss) attributable to Harsco Corporation					(51,796)	682
Ending balance	(195,136)		(159,128)		(195,136)	(159,128)
Effective Portion of Deriviatives Designated as Hedging Instruments
Accumulated Other Comprehensive Income (Loss) [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets							0
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance		(3,717)		1,389	(3,717)	1,389
Other comprehensive income (loss) before reclassifications					(1,146)	(5,893)
Amounts reclassified from accumulated other comprehensive loss					(213)	1,722
Total other comprehensive income					(1,359)	(4,171)
Other comprehensive income attributable to noncontrolling interests					0	0
Other comprehensive income (loss) attributable to Harsco Corporation					(1,359)	(4,171)
Ending balance	(5,076)		(2,782)		(5,076)	(2,782)
Cumulative Unrecognized Actuarial Losses on Pension Obligations
Accumulated Other Comprehensive Income (Loss) [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets							(21,429)
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance		(440,562)		(408,655)	(440,562)	(408,655)
Other comprehensive income (loss) before reclassifications					23,810	2,192
Amounts reclassified from accumulated other comprehensive loss					13,380	9,579
Total other comprehensive income					37,190	11,771
Other comprehensive income attributable to noncontrolling interests					0	0
Other comprehensive income (loss) attributable to Harsco Corporation					37,190	11,771
Ending balance	(403,372)		(418,313)		(403,372)	(418,313)
Unrealized Loss on Marketable Securities
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance		(3)		(31)	(3)	(31)
Other comprehensive income (loss) before reclassifications					(31)	25
Amounts reclassified from accumulated other comprehensive loss					0	0
Total other comprehensive income					(31)	25
Other comprehensive income attributable to noncontrolling interests					0	0
Other comprehensive income (loss) attributable to Harsco Corporation					(31)	25
Ending balance	(34)		(6)		(34)	(6)
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets							$ (21,429)
Components of Accumulated Other Comprehensive Income [Roll Forward]
Beginning balance	(616,476)	(587,622)	(584,425)	(567,107)	(587,622)	(567,107)
Total other comprehensive income	12,858	(28,854)	4,196	4,111
Ending balance	$ (603,618)	$ (616,476)	$ (580,229)	$ (584,425)	$ (603,618)	$ (580,229)

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Components of Accumulated Other Comprehensive Loss - Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Other Operating Income (Expense), Net	$ 292		$ 1,717		$ (5,441)	$ (26)
Product revenues	447,281		350,898		846,122	680,800
Interest expense	14,953		6,103		27,602	11,610
Income from continuing operations before income taxes	(11,978)		3,380		(20,452)	16,892
Income tax expense (benefit)	(2,304)		3,994		(2,986)	5,213
Net income (loss)	(9,455)	$ 1,227	10,929	$ 22,537	(8,228)	33,466
Amount Reclassified from Accumulated Other Comprehensive Loss | Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Other Operating Income (Expense), Net	0
Amount Reclassified from Accumulated Other Comprehensive Loss | Cumulative Unrecognized Actuarial Losses on Pension Obligations
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income from continuing operations before income taxes	4,863		5,176		15,413	10,300
Income tax expense (benefit)	(323)		(379)		(2,033)	(721)
Net income (loss)	4,540		4,797		13,380	9,579
Amount Reclassified from Accumulated Other Comprehensive Loss | Effective Portion of Deriviatives Designated as Hedging Instruments
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Income from continuing operations before income taxes	695		2,384		(26)	2,365
Income tax expense (benefit)	(263)		(599)		(187)	(643)
Net income (loss)	432		1,785		(213)	1,722
Amount Reclassified from Accumulated Other Comprehensive Loss | Effective Portion of Deriviatives Designated as Hedging Instruments | Foreign currency exchange forward contracts
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Other Operating Income (Expense), Net			0		0	(2,271)
Discontinued Operation, Gain From Disposal Of Discontinued Operation, Before Income Tax	0		0		12,906	0
Product revenues	(332)		(433)		(1,736)	(465)
Cost of services sold	0		44		0	44
Amount Reclassified from Accumulated Other Comprehensive Loss | Effective Portion of Deriviatives Designated as Hedging Instruments | Cross currency interest rate swaps
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	295		303		600	617
Amount Reclassified from Accumulated Other Comprehensive Loss | Effective Portion of Deriviatives Designated as Hedging Instruments | Interest rate swaps
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	732		(271)		1,110	(572)
Income from discontinued business	0		2,741		0	2,741
Amount Reclassified from Accumulated Other Comprehensive Loss | Actuarial losses
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Defined benefit pension income (expense)	4,757		4,982		9,837	10,040
Amount Reclassified from Accumulated Other Comprehensive Loss | Prior service costs (benefits)
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Defined benefit pension income (expense)	0		0		5,363	0
Amount Reclassified from Accumulated Other Comprehensive Loss | Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member]
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Defined benefit pension income (expense)	106		65		213	131
Amount Reclassified from Accumulated Other Comprehensive Loss | AOCI Attributable to Parent
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Defined benefit pension income (expense)	$ 0		$ 129		$ 0	$ 129

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Label	Element	Value
Retained Earnings [Member]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets	us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1	$ 21,429,000