Accumulated Other Comprehensive Loss (Tables)

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Loss

Changes in Accumulated other comprehensive loss for the years ended December 31, were as follows (in thousands): 

	2020
	Foreign currency translation adjustments		Derivative financial instruments		Pension and postretirement benefit plans		Total
Balance, beginning of period	$	(40,813)	$	(14,586)	$	(481,550)	$	(536,949)
Other comprehensive income, before reclassifications	37,088		107,181		2,193		146,462
Income tax expense	(3,864)		(23,626)		(515)		(28,005)
	33,224		83,555		1,678		118,457
Reclassifications:
Net gains on derivative financial instruments	—		(148,107)		—		(148,107)
Prior service credits(a)	—		—		(3,469)		(3,469)
Actuarial losses(a)	—		—		65,981		65,981
Curtailment and settlement losses(a)	—		—		3,040		3,040
Reclassifications before tax	—		(148,107)		65,552		(82,555)
Income tax benefit (expense)	—		33,022		(15,392)		17,630
	—		(115,085)		50,160		(64,925)
Other comprehensive income (loss)	33,224		(31,530)		51,838		53,532
Balance, end of period	$	(7,589)	$	(46,116)	$	(429,712)	$	(483,417)

	2019
	Foreign currency translation adjustments		Derivative financial instruments		Pension and postretirement benefit plans		Total
Balance, beginning of period	$	(49,608)	$	1,785	$	(581,861)	$	(629,684)
Other comprehensive income, before reclassifications	9,229		6,477		90,071		105,777
Income tax expense	(434)		(1,541)		(21,149)		(23,124)
	8,795		4,936		68,922		82,653
Reclassifications:
Net gains on derivative financial instruments	—		(27,732)		—		(27,732)
Prior service credits(a)	—		—		(4,311)		(4,311)
Actuarial losses(a)	—		—		44,788		44,788
Curtailment and settlement losses(a)	—		—		543		543
Reclassifications before tax	—		(27,732)		41,020		13,288
Income tax benefit (expense)	—		6,425		(9,631)		(3,206)
	—		(21,307)		31,389		10,082
Other comprehensive income (loss)	8,795		(16,371)		100,311		92,735
Balance, end of period	$	(40,813)	$	(14,586)	$	(481,550)	$	(536,949)

	2018
	Foreign currency translation adjustments		Derivative financial instruments		Pension and postretirement benefit plans		Total
Balance, beginning of period	$	(21,852)	$	(17,254)	$	(460,943)	$	(500,049)
Other comprehensive (loss) income, before reclassifications	(28,212)		35,686		(84,725)		(77,251)
Income tax benefit (expense)	3,202		(8,455)		19,893		14,640
	(25,010)		27,231		(64,832)		(62,611)
Reclassifications:
Net gains on derivative financial instruments	—		(9,466)		—		(9,466)
Prior service credits(a)	—		—		(2,262)		(2,262)
Actuarial losses(a)	—		—		66,590		66,590
Curtailment and settlement gains(a)	—		—		(886)		(886)
Reclassifications before tax	—		(9,466)		63,442		53,976
Income tax benefit (expense)	—		2,244		(14,896)		(12,652)
	—		(7,222)		48,546		41,324
Other comprehensive (loss) income	(25,010)		20,009		(16,286)		(21,287)
Reclassification of certain tax effects	(2,746)		(970)		(104,632)		(108,348)
Balance, end of period	$	(49,608)	$	1,785	$	(581,861)	$	(629,684)

(a)Amounts reclassified are included in the computation of net periodic benefit cost, discussed further in Note 15.