Accumulated Other Comprehensive Loss, Net of Tax (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 950,826
Other comprehensive income (loss) before reclassifications	(14,477)
Amounts reclassified from accumulated other comprehensive loss, net of tax	(938)
Tax benefit (expense)	(2,216)
Ending balance	918,564
Foreign Currency Translation Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(71,187)
Other comprehensive income (loss) before reclassifications	(22,783)
Amounts reclassified from accumulated other comprehensive loss, net of tax	0
Tax benefit (expense)	0
Ending balance	(93,970)
Gains (Losses) on Derivative Instruments | Foreign Exchange Derivative Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	2,901
Other comprehensive income (loss) before reclassifications	9,467
Amounts reclassified from accumulated other comprehensive loss, net of tax	(2,202)
Tax benefit (expense)	(2,233)
Ending balance	7,933
Gains (Losses) on Derivative Instruments | Interest Rate Swap Derivative Instruments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(2,003)
Other comprehensive income (loss) before reclassifications	(2,065)
Amounts reclassified from accumulated other comprehensive loss, net of tax	478
Tax benefit (expense)	385
Ending balance	(3,205)
Pension and Other Postretirement Adjustments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(41,739)
Other comprehensive income (loss) before reclassifications	904
Amounts reclassified from accumulated other comprehensive loss, net of tax	786
Tax benefit (expense)	(368)
Ending balance	(40,417)
Accumulated Other Comprehensive Loss, Net of Tax
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(112,028)
Ending balance	$ (129,659)