Unaudited Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 184,239	$ 147,060
Other comprehensive loss:
Foreign currency translation losses, net of tax	(129,157)	(575,118)
Net change in derivative contracts, net of tax	11,296	(44,541)
Total other comprehensive loss	(117,861)	(619,659)
Total comprehensive income (loss)	$ 66,378	$ (472,599)