Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 13,122	$ (190,082)
Other comprehensive income (loss), net of tax:
Foreign currency translation loss	(15,678)	(35,533)
Change in unrecognized gains (losses) on derivative instruments:
Change in fair value of derivatives	(9,140)	(58,426)
Tax benefit	678	13,129
Change in unrecognized losses on derivative instruments, net of tax	(8,462)	(45,297)
Defined benefit pension plan:
Actuarial gains on pension obligation, net of amortization	97	72
Tax provision	(21)	(17)
Pension changes, net of tax	76	55
Other comprehensive loss, net of tax	(24,064)	(80,775)
Comprehensive loss	$ (10,942)	$ (270,857)