Components of Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2021

Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]

Components of accumulated other comprehensive loss

The components of AOCI, net of the effect of income taxes, and activity for the years ended December 31, 2021 and 2020 are 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 Loss on Marketable Securities		Total
Balance at December 31, 2019	(143,340)			(3,717)			(440,562)			(3)		(587,622)
OCI before reclassifications	7,854		(a)	(3,709)		(b)	(96,684)		(c)	(6)		(92,545)
Amounts reclassified from AOCI, net of tax	12,906			1,586			22,746			—		37,238
Total OCI	20,760			(2,123)			(73,938)			(6)		(55,307)
Less: OCI attributable to noncontrolling interests	(2,812)			—			—			—		(2,812)
OCI attributable to Harsco Corporation	17,948			(2,123)			(73,938)			(6)		(58,119)
Balance at December 31, 2020	$	(125,392)		$	(5,840)		$	(514,500)		$	(9)	$	(645,741)

	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 Loss on Marketable Securities		Total
Balance at December 31, 2020	$	(125,392)		$	(5,840)		$	(514,500)		$	(9)	$	(645,741)
OCI before reclassifications	(10,994)		(a)	441		(b)	69,517		(c)	31		58,995
Amounts reclassified from AOCI, net of tax				2,375			22,735					25,110
Total OCI	(10,994)			2,816			92,252			31		84,105
Plus: OCI attributable to noncontrolling interests	1,497			—			—					1,497
OCI attributable to Harsco Corporation	(9,497)			2,816			92,252			31		85,602
Balance at December 31, 2021	$	(134,889)		$	(3,024)		$	(422,248)		$	22	$	(560,139)

(a)     Principally foreign currency fluctuation.

(b)     Principally net change from periodic revaluations.

(c)     Principally changes due to annual actuarial remeasurements and foreign currency translation.

Amounts reclassified out of accumulated other comprehensive loss

Amounts reclassified from AOCI for 2021 and 2020 are as follows:

	Year Ended December 31 2021		Year Ended December 31 2020		Affected Caption on the Consolidated Statements of Operations
(In thousands)
Amortization of defined benefit pension items (d):
Actuarial losses	$	23,657	$	19,623	Defined benefit pension income (expense)
Prior-service costs	582		511		Defined benefit pension income (expense)
Pension asset transfer - discontinued businesses	—		5,363		Gain on sale of discontinued businesses
Settlement/curtailment losses	(72)		(110)		Discontinued operations
Settlement/curtailment losses	—		18		Defined benefit pension income (expense)
Total before tax	24,167		25,405
Tax benefit	(1,432)		(2,659)
Total reclassification of defined benefit pension items, net of tax	$	22,735	$	22,746
Recognition of cumulative foreign currency translation adjustments:
Gain on substantial liquidation of subsidiaries (e)	$	—	$	12,906	Other (income) expenses, net
Amortization of cash flow hedging instruments:
Foreign currency exchange forward contracts	$	(129)	$	(1,026)	Discontinued operations
CCIRs	—		1,015		Interest expense
Interest rate swaps	3,474		2,589		Interest expense
Total before tax	3,345		2,578
Tax benefit	(970)		(992)
Total reclassification of cash flow hedging instruments	$	2,375	$	1,586

(d)     These AOCI components are included in the computation of NPPC. See Note 10, Employee Benefit Plans, for additional information.

(e)    No tax impact.