Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		$ 1,054,264	$ 958,967	$ 999,598	$ 938,425
Other comprehensive income (loss) before reclassifications		(12,377)	(26,932)	11,951	(54,998)
Amounts reclassified from OCI		(937)	(119)	(1,798)	(597)
Ending balance		1,057,656	954,514	1,057,656	954,514
Accumulated Other Comprehensive (Loss) Income [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(177,221)	(203,172)	(200,688)	(174,628)
Ending balance		(190,535)	(230,223)	(190,535)	(230,223)
Cash Flow Hedges [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	[1]	1,997	(152)	(599)	206
Other comprehensive income (loss) before reclassifications	[1]	(239)	380	2,974	516
Amounts reclassified from OCI	[1]	(815)	(127)	(1,432)	(621)
Ending balance	[1]	943	101	943	101
Pension Items [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	[1]	(2,036)	(337)	(1,792)	(353)
Other comprehensive income (loss) before reclassifications	[1]	0	0	0	0
Amounts reclassified from OCI	[1]	(122)	8	(366)	24
Ending balance	[1]	(2,158)	(329)	(2,158)	(329)
Foreign Currency Items [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(177,182)	(202,683)	(198,297)	(174,481)
Other comprehensive income (loss) before reclassifications		(12,138)	(27,312)	8,977	(55,514)
Amounts reclassified from OCI		0	0	0	0
Ending balance		$ (189,320)	$ (229,995)	$ (189,320)	$ (229,995)

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