Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income		$ 19,382	$ 29,733
Other comprehensive loss, net of tax
Unrealized loss on hedging activities, net of tax	[1]	(652)	(2,337)
Foreign currency translation adjustments, net of tax	[2]	(47,882)	(36,333)
Defined benefit pension and other postretirement benefits, net of tax	[3]	3,632	4,481
Total other comprehensive loss, net of tax		(44,902)	(34,189)
Total comprehensive loss		$ (25,520)	$ (4,456)

[1] Net of tax of $(184) and $(823) for the three months ended March 31, 2021 and 2020, respectively.

[2] Net of tax of $0 and $(66) for the three months ended March 31, 2021 and 2020, respectively.

[3] Net of tax of $1,069 and $810 for the three months ended March 31, 2021 and 2020, respectively.