Other Comprehensive Income (Loss) Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022		Mar. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balances	$ 630,850		$ 584,250
Total other comprehensive income (loss)	(2,240)		630
Balances	633,830		595,970
Other Comprehensive Income (Loss), Tax [Abstract]
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax	100
Cross Currency Interest Rate Contract [Member]
Other Comprehensive Income (Loss), Tax [Abstract]
Other Comprehensive Income (Loss), Tax	(500)		1,300
Defined Benefit Plans [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balances	(4,830)		(8,620)
Net unrealized gains (losses) arising during the period	0		0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(240)	[1]	(150)
Total other comprehensive income (loss)	240		150
Balances	(4,590)		(8,470)
Accumulated Net Gain (Loss) from Hedges Attributable to Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balances	5,910		(3,580)
Net unrealized gains (losses) arising during the period	1,560	[2]	3,900	[3]
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0		0
Total other comprehensive income (loss)	1,560		3,900
Balances	7,470		320
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balances	(850)		6,580
Net unrealized gains (losses) arising during the period	(4,040)		(3,420)
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0		0
Total other comprehensive income (loss)	(4,040)		(3,420)
Balances	(4,890)		3,160
Accumulated Other Comprehensive Income [Member]
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Balances	230		(5,620)
Net unrealized gains (losses) arising during the period	(2,480)		480
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(240)		(150)
Total other comprehensive income (loss)	(2,240)		630
Balances	$ (2,010)		$ (4,990)

[1] Defined benefit plans, net of income tax of approximately $0.1 million. See Note 18, "Defined Benefit Plans," for further details.

[2] Derivative instruments, net of income tax of approximately $0.5 million. See Note 11, "Derivative Instruments," for further details

[3] Derivative instruments, net of income tax of approximately $1.3 million. See Note 11, "Derivative Instruments," for further details.