Unaudited Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 234,007	$ 188,817	$ 614,493	$ 494,365
Other comprehensive loss:
Foreign currency translation losses, net of tax	(179,839)	(10,328)	(102,191)	(577,189)
Net change in derivative contracts, net of tax	8,972	9,167	29,305	(33,482)
Total other comprehensive loss	(170,867)	(1,161)	(72,886)	(610,671)
Total comprehensive income (loss)	$ 63,140	$ 187,656	$ 541,607	$ (116,306)