Components of Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Mar. 31, 2021

Equity [Abstract]

Schedule of accumulated other comprehensive loss

The components of AOCI, net of the effect of income taxes, and activity for the three months ended March 31, 2020 and 2021 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, 2019	$	(143,340)		$	(3,717)		$	(440,562)		$	(3)	$	(587,622)
OCI before reclassifications	(71,472)		(a)	(1,042)		(b)	21,429		(a)	(18)		(51,103)
Amounts reclassified from AOCI, net of tax	12,906			(645)			8,840			—		21,101
Total OCI	(58,566)			(1,687)			30,269			(18)		(30,002)
OCI attributable to noncontrolling interests	1,148			—			—			—		1,148
OCI attributable to Harsco Corporation	(57,418)			(1,687)			30,269			(18)		(28,854)
Balance at March 31, 2020	$	(200,758)		$	(5,404)		$	(410,293)		$	(21)	$	(616,476)

	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, 2020	$	(125,392)		$	(5,840)		$	(514,500)		$	(9)	$	(645,741)
OCI before reclassifications	(3,296)		(a)	119		(b)	(1,897)		(a)	17		(5,057)
Amounts reclassified from AOCI, net of tax	—			570			5,716			—		6,286
Total OCI	(3,296)			689			3,819			17		1,229
OCI attributable to noncontrolling interests	1,066			—			—			—		1,066
OCI attributable to Harsco Corporation	(2,230)			689			3,819			17		2,295
Balance at March 31, 2021	$	(127,622)		$	(5,151)		$	(510,681)		$	8	$	(643,446)

(a)    Principally foreign currency fluctuation.

(b)     Net change from periodic revaluations.

Reclassification out of accumulated other comprehensive income

Amounts reclassified from AOCI were as follows:

(In thousands)	Three Months Ended				Location on the Condensed Consolidated Statements of Operations
	March 31
	2021		2020
Recognition of cumulative foreign currency translation adjustments:
Loss on substantial liquidation of subsidiaries (c)	$	—	$	12,906	Gain on sale of discontinued businesses
Amortization of cash flow hedging instruments:
Foreign currency exchange forward contracts	$	(50)	$	(1,404)	Product revenues
CCIRs	—		305		Interest expense
Interest rate swaps	865		378		Interest expense
Total before taxes	815		(721)
Income taxes	(245)		76
Total reclassification of cash flow hedging instruments, net of tax	$	570	$	(645)
Amortization of defined benefit pension items (d):
Actuarial losses	$	5,948	$	5,080	Defined benefit pension income
Prior service costs	127		107		Defined benefit pension income
Pension liability transfer - discontinued business	—		5,363		Gain on sale of discontinued businesses
Total before taxes	6,075		10,550
Income taxes	(359)		(1,710)
Total reclassification of defined benefit pension items, net of tax	$	5,716	$	8,840

(c)    No tax impact.

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