Equity and Noncontrolling Interest - Reclassifications (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	$ (26,598)	$ (78,170)
Other Comprehensive (Loss) Income, before Reclassifications, before Tax	(24,693)	(61,096)
Amounts Reclassified from AOCI	(2,223)	24,334
Other Comprehensive Income Loss before Tax	(26,916)	(36,762)
Related Tax Amounts	286	(6,592)
Other Comprehensive Income (Loss), Net of Tax	(26,632)	(43,486)
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	(53,228)	(121,524)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	(2,875)	(44,568)
Other Comprehensive (Loss) Income, before Reclassifications, before Tax	(25,459)	(54,619)
Amounts Reclassified from AOCI	0	0
Other Comprehensive Income Loss before Tax	(25,459)	(54,619)
Related Tax Amounts	0	0
Other Comprehensive Income (Loss), Net of Tax	(25,459)	(54,619)
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	(28,334)	(99,187)
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	(23,467)	(34,533)
Other Comprehensive (Loss) Income, before Reclassifications, before Tax	781	828
Amounts Reclassified from AOCI	862	24,366
Other Comprehensive Income Loss before Tax	1,643	25,194
Related Tax Amounts	(351)	(8,237)
Other Comprehensive Income (Loss), Net of Tax	1,292	16,957
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	(22,175)	(17,576)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	(3,598)	(320)
Other Comprehensive (Loss) Income, before Reclassifications, before Tax	(745)	(5,170)
Amounts Reclassified from AOCI	0	0
Other Comprehensive Income Loss before Tax	730	(5,170)
Related Tax Amounts	(168)	1,189
Other Comprehensive Income (Loss), Net of Tax	562	(3,981)
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	(3,036)	(4,301)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance	3,342	1,251
Other Comprehensive (Loss) Income, before Reclassifications, before Tax	730	(2,135)
Amounts Reclassified from AOCI	(3,085)	(32)
Other Comprehensive Income Loss before Tax	(3,830)	(2,167)
Related Tax Amounts	805	456
Other Comprehensive Income (Loss), Net of Tax	(3,025)	(1,711)
Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance	$ 317	$ (460)