Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 221,589	$ 29,871	$ (62,371)
Other comprehensive income (loss), net of tax:
Currency translation adjustments	(25,976)	25,283	7,250
Change in unrecognized net periodic pension costs	3,850	(3,756)	(6,545)
Change in gains and losses on derivative instruments	20,044	(7,329)	(7,800)
Other comprehensive income (loss)	(2,082)	14,198	(7,095)
Comprehensive income (loss)	$ 219,507	$ 44,069	$ (69,466)