CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income	$ 485,374	$ 335,324	$ 461,466
Foreign currency:
Foreign currency translation adjustments, net of tax of $(5,563), $6,442 and $(6,270), respectively	(63,191)	59,758	4,195
Foreign currency translation, net of tax	(63,191)	59,758	4,195
Pension and other postretirement benefits plans:
Prior service cost recognized in net periodic cost, net of tax of $232, $(7) and $(20), respectively	(780)	26	62
Unamortized (loss) gain arising during the period, net of tax of $(1,671), $6,101 and $3,817, respectively	5,582	(19,966)	(12,767)
Plan amendments, curtailments, and settlements, net of tax of $—, $(1,067) and $—, respectively	0	3,544	0
Net loss recognized in net periodic cost, net of tax of $(1,988), $(1,694) and $(1,611), respectively	6,555	5,559	5,319
Foreign currency translation, net of tax of $(238), $243 and $15, respectively	610	(610)	(44)
Pension and other postretirement benefits plans adjustment, net of tax	11,967	(11,447)	(7,430)
Derivatives qualifying as hedges:
Unrealized (loss) gain on derivatives arising during the period, net of tax $(27), $234 and $(85), respectively	351	(3,331)	1,062
Reclassification adjustment on derivatives included in net income, net of tax of $62, $(240) and $150, respectively	1,212	2,114	(1,134)
Derivatives qualifying as hedges, net of tax	1,563	(1,217)	(72)
Other comprehensive (loss) income, net of tax	(49,661)	47,094	(3,307)
Comprehensive income	$ 435,713	$ 382,418	$ 458,159