Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		$ 999,598
Other comprehensive income before reclassifications		31,287	$ (25,067)	$ (24,506)
Amounts reclassified from OCI		(2,716)	(993)	8,969
Ending balance		1,053,324	999,598
Accumulated Other Comprehensive (Loss) Income [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(200,688)	(174,628)	(159,091)
Ending balance		(172,117)	(200,688)	(174,628)
Cash Flow Hedges [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	[1]	(599)	206	749
Other comprehensive income before reclassifications	[1]	3,833	215	775
Amounts reclassified from OCI	[1]	(2,237)	(1,020)	(1,318)
Ending balance	[1]	997	(599)	206
Pension Items [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	[1]	(1,792)	(353)	(1,965)
Other comprehensive income before reclassifications	[1]	192	(1,466)	1,528
Amounts reclassified from OCI	[1]	(479)	27	84
Ending balance	[1]	(2,079)	(1,792)	(353)
Foreign Currency Items [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(198,297)	(174,481)	(157,875)
Other comprehensive income before reclassifications		27,262	(23,816)	(26,809)
Amounts reclassified from OCI		0	0	10,203
Ending balance		$ (171,035)	$ (198,297)	$ (174,481)

[1] Cash Flow Hedges and Pension Items are net of tax.