Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		$ 1,063,936	$ 1,028,221	$ 1,053,324	$ 999,598
Other comprehensive income (loss) before reclassifications		(22,379)	7,787	(25,700)	24,328
Amounts reclassified from OCI		(70)	(621)	(360)	(861)
Ending balance		1,057,775	1,054,264	1,057,775	1,054,264
Accumulated Other Comprehensive (Loss) Income [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(175,728)	(184,387)	(172,117)	(200,688)
Ending balance		(198,177)	(177,221)	(198,177)	(177,221)
Cash Flow Hedges [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	[1]	1,477	983	997	(599)
Other comprehensive income (loss) before reclassifications	[1]	(1,239)	1,513	(537)	3,213
Amounts reclassified from OCI	[1]	(2)	(499)	(224)	(617)
Ending balance	[1]	236	1,997	236	1,997
Pension Items [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	[1]	(2,147)	(1,914)	(2,079)	(1,792)
Other comprehensive income (loss) before reclassifications	[1]	0	0	0	0
Amounts reclassified from OCI	[1]	(68)	(122)	(136)	(244)
Ending balance	[1]	(2,215)	(2,036)	(2,215)	(2,036)
Foreign Currency Items [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance		(175,058)	(183,456)	(171,035)	(198,297)
Other comprehensive income (loss) before reclassifications		(21,140)	6,274	(25,163)	21,115
Amounts reclassified from OCI		0	0	0	0
Ending balance		$ (196,198)	$ (177,182)	$ (196,198)	$ (177,182)

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