CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 109,046	$ 85,565
Other comprehensive loss:
Change in foreign currency translation adjustments, net of tax	(10,531)	(28,519)
Change in unrealized loss on hedging instruments, net of tax	(4,081)	(9,368)
Defined benefit pension plans - actuarial loss, net of tax	(626)	0
Other comprehensive loss	(15,238)	(37,887)
Comprehensive income	$ 93,808	$ 47,678