Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Tax

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- Definition

Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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Accumulated Other Comprehensive Loss (Components of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			$ 1,020,755
Other comprehensive income (loss) before reclassifications			(18,627)	$ 9,129
Amounts reclassified from accumulated other comprehensive loss			173	2,627
Other comprehensive income (loss)	$ (8,074)	$ 13,510	(18,454)	11,756
Balance, end of period	1,099,261	987,024	1,099,261	987,024
AOCI, Pension and other postretirement benefit plans, tax	1,902	2,154	1,902	2,154	$ 1,951	$ 2,368
AOCI, cumulative changes in net gain (loss) from cash flow hedges, tax	0	0	0	0	$ 0	$ 282
Accumulated Other Comprehensive Loss
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period	(29,955)	(48,659)	(19,575)	(46,905)
Other comprehensive income (loss)	(8,074)	13,510	(18,454)	11,756
Balance, end of period	(38,029)	(35,149)	(38,029)	(35,149)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			(10,571)	(35,478)
Other comprehensive income (loss) before reclassifications			(18,627)	10,004
Amounts reclassified from accumulated other comprehensive loss			0	0
Other comprehensive income (loss)			(18,627)	10,004
Balance, end of period	(29,198)	(25,474)	(29,198)	(25,474)
Pension and Other Postretirement Benefits
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			(9,004)	(10,455)
Other comprehensive income (loss) before reclassifications			0	629
Amounts reclassified from accumulated other comprehensive loss			173	151
Other comprehensive income (loss)			173	780
Balance, end of period	(8,831)	(9,675)	(8,831)	(9,675)
Derivative Instrument Designated as Cash Flow Hedge
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance, beginning of period			0	(972)
Other comprehensive income (loss) before reclassifications			0	(1,504)
Amounts reclassified from accumulated other comprehensive loss			0	2,476
Other comprehensive income (loss)			0	972
Balance, end of period	$ 0	$ 0	$ 0	$ 0