Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Accumulated Translation Adjustment [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance	$ (19,566)	$ (31,101)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(46,982)	11,717
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	0	0
Other Comprehensive Income (Loss), Net of Tax	(46,982)	11,717
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(66,548)	(19,384)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance	2	(1,479)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	11,343	5,934
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	0	0
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(8,268)	(4,732)
Other Comprehensive Income (Loss), Net of Tax	3,075	1,202
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	3,077	(277)
Accumulated Defined Benefit Plans Adjustment [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance	(235,660)	(302,345)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	0	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	10,003	9,147
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	6,763	10,267
Other Comprehensive Income (Loss), Net of Tax	16,766	19,414
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(218,894)	(282,931)
AOCI Attributable to Parent [Member]
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance	(255,224)	(334,925)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	11,343	5,934
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(36,979)	20,864
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax	(1,505)	5,535
Other Comprehensive Income (Loss), Net of Tax	(27,141)	32,333
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ (282,365)	$ (302,592)