Shareholders' Equity Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 1,191,556	$ 1,142,759
Total other comprehensive income (loss), net of tax	7,119	52,815
Ending balance	1,194,143	1,186,752
Parent [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	1,168,473	1,116,077
Total other comprehensive income (loss), net of tax	7,119	52,815
Ending balance	1,171,282	1,160,080
Foreign Currency Translation Adjustments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(83,193)	(111,766)
OCI before reclassifications	7,225	(6,891)
Amounts reclassified from AOCI	0	55,436
Total other comprehensive income (loss), net of tax	7,225	48,545
Ending balance	(75,968)	(63,221)
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	3,109	(21,742)
OCI before reclassifications	0	4,196
Amounts reclassified from AOCI	(106)	74
Total other comprehensive income (loss), net of tax	(106)	4,270
Ending balance	3,003	(17,472)
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(94,674)	(148,098)
OCI before reclassifications	7,225	(2,695)
Amounts reclassified from AOCI	(106)	55,510
Total other comprehensive income (loss), net of tax	7,119	52,815
Ending balance	$ (87,555)	$ (95,283)