Components of Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Mar. 31, 2023

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, 2022 and 2023 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, 2021	$	(134,889)		$	(3,024)		$	(422,248)		$	22	$	(560,139)
OCI before reclassifications	(2,847)		(a)	802		(b)	9,184		(a)	(3)		7,136
Amounts reclassified from AOCI, net of tax	—			338			4,534			—		4,872
Total OCI	(2,847)			1,140			13,718			(3)		12,008
Less: OCI attributable to noncontrolling interests	482			—			—			—		482
OCI attributable to Harsco Corporation	(2,365)			1,140			13,718			(3)		12,490
Balance at March 31, 2022	$	(137,254)		$	(1,884)		$	(408,530)		$	19	$	(547,649)

	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, 2022	$	(213,104)		$	157		$	(354,699)		$	10	$	(567,636)
OCI before reclassifications	12,446		(a)	(2,684)		(b)	(7,227)		(a)	1		2,536
Amounts reclassified from AOCI, net of tax	—			124			4,492			—		4,616
Total OCI	12,446			(2,560)			(2,735)			1		7,152
Less: OCI attributable to noncontrolling interests	(358)			—			—			—		(358)
OCI attributable to Harsco Corporation	12,088			(2,560)			(2,735)			1		6,794
Balance at March 31, 2023	$	(201,016)		$	(2,403)		$	(357,434)		$	11	$	(560,842)

(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
	2023		2022
Amortization of cash flow hedging instruments:
Foreign currency exchange forward contracts	$	411	$	(588)	Income (loss) from discontinued businesses
Interest rate swaps	(248)		1,050		Interest expense
Total before taxes	163		462
Income taxes	(39)		(124)
Total reclassification of cash flow hedging instruments, net of tax	$	124	$	338
Amortization of defined benefit pension items (c):
Actuarial losses	$	4,670	$	4,727	Defined benefit pension income (expense)
Prior service costs	114		120		Defined benefit pension income (expense)
Total before taxes	4,784		4,847
Income taxes	(292)		(313)
Total reclassification of defined benefit pension items, net of tax	$	4,492	$	4,534

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