Other Comprehensive Income (Loss) Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023		Sep. 30, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balances	$ 662,360	$ 648,760	$ 651,830	$ 630,780	$ 633,830	$ 630,850	$ 651,830		$ 630,850
Total other comprehensive income (loss)	(4,970)	3,990	3,450	(8,010)	(3,530)	(2,240)	2,470		(13,780)
Balances	674,990	662,360	648,760	634,570	630,780	633,830	674,990		634,570
Other Comprehensive Income (Loss), Tax [Abstract]
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax							300		100
Cross Currency Interest Rate Contract [Member]
Other Comprehensive Income (Loss), Tax [Abstract]
Other Comprehensive Income (Loss), Tax							(200)		6,300
Defined Benefit Plans [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balances			(5,380)			(4,830)	(5,380)		(4,830)
Net unrealized gains (losses) arising during the period							0		0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax							(780)	[1]	(430)	[2]
Total other comprehensive income (loss)							780		430
Balances	(4,600)			(4,400)			(4,600)		(4,400)
Accumulated Net Gain (Loss) from Hedges Attributable to Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balances			15,320			5,910	15,320		5,910
Net unrealized gains (losses) arising during the period							630	[3]	18,740	[4]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax							0		0
Total other comprehensive income (loss)							630		18,740
Balances	15,950			24,650			15,950		24,650
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balances			(18,560)			(850)	(18,560)		(850)
Net unrealized gains (losses) arising during the period							1,060		(32,950)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax							0		0
Total other comprehensive income (loss)							1,060		(32,950)
Balances	(17,500)			(33,800)			(17,500)		(33,800)
Accumulated Other Comprehensive Income (Loss) [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balances	(1,180)	(5,170)	(8,620)	(5,540)	(2,010)	230	(8,620)		230
Net unrealized gains (losses) arising during the period							1,690		(14,210)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax							(780)		(430)
Total other comprehensive income (loss)	(4,970)	3,990	3,450	(8,010)	(3,530)	(2,240)	2,470		(13,780)
Balances	$ (6,150)	$ (1,180)	$ (5,170)	$ (13,550)	$ (5,540)	$ (2,010)	$ (6,150)		$ (13,550)

[1] Defined benefit plans, net of income tax of $0.3 million. See Note 16, "Defined Benefit Plans," for further details.

[2] Defined benefit plans, net of income tax of $0.1 million. See Note 16, "Defined Benefit Plans," for further details.

[3] Derivative instruments, net of income tax of $0.2 million. See Note 9, "Derivative Instruments," for further details

[4] Derivative instruments, net of income tax of $6.3 million. See Note 9, "Derivative Instruments," for further details.