Shareholders' Equity Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 1,331,431	$ 1,191,556
Total other comprehensive income (loss), net of tax	(10,908)	7,119
Ending balance	1,385,310	1,194,143
Parent [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	1,310,911	1,168,473
Total other comprehensive income (loss), net of tax	(10,908)	7,119
Ending balance	1,364,724	1,171,282
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(67,643)	(83,193)
OCI before reclassifications	(10,851)	7,225
Amounts reclassified from AOCI	0	0
Total other comprehensive income (loss), net of tax	(10,851)	7,225
Ending balance	(78,494)	(75,968)
Net Unrealized Gain (Loss) on Derivative Instruments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(210)	(210)
OCI before reclassifications	0	0
Amounts reclassified from AOCI	0	0
Total other comprehensive income (loss), net of tax	0	0
Ending balance	(210)	(210)
Net Unrealized Gain (Loss) on Nonderivative Instruments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(14,380)	(14,380)
OCI before reclassifications	0	0
Amounts reclassified from AOCI	0	0
Total other comprehensive income (loss), net of tax	0	0
Ending balance	(14,380)	(14,380)
Pension Benefit Obligation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	1,043	3,109
OCI before reclassifications	0	0
Amounts reclassified from AOCI	(57)	(106)
Total other comprehensive income (loss), net of tax	(57)	(106)
Ending balance	986	3,003
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(81,190)	(94,674)
OCI before reclassifications	(10,851)	7,225
Amounts reclassified from AOCI	(57)	(106)
Total other comprehensive income (loss), net of tax	(10,908)	7,119
Ending balance	$ (92,098)	$ (87,555)