Other Comprehensive Income (Loss) - Components of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss)	$ (47,030)	$ (22,966)
Cumulative translation adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	(48,439)	(26,456)
Total other comprehensive income (loss), Tax	0	0
Other comprehensive income (loss)	(48,439)	(26,456)
Pension and other postretirement adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	1,054	2,874
Total other comprehensive income (loss), Tax	(309)	(578)
Other comprehensive income (loss)	745	2,296
Reclassification adjustments for derivatives
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	859	1,545
Total other comprehensive income (loss), Tax	(195)	(351)
Other comprehensive income (loss)	664	1,194
AOCI
Accumulated Other Comprehensive Income (Loss) [Line Items]
Total other comprehensive income (loss), Pre-tax	(46,526)	(22,037)
Total other comprehensive income (loss), Tax	(504)	(929)
Other comprehensive income (loss)	$ (47,030)	$ (22,966)