Equity and Noncontrolling Interest - Reclassifications (Details) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Accumulated Other Comprehensive Income (Loss), Balance at Beginning of Period	$ (78,170,000)	$ (80,715,000)
Other Comprehensive Income (Loss) Before Reclassifications	(61,096,000)	1,436,000
Amounts Reclassified from AOCI	24,334,000	637,000
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	(36,762,000)	2,073,000
Related Tax Amounts	(6,592,000)	(525,000)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(43,354,000)	1,548,000
Accumulated Other Comprehensive Income (Loss), Balance at End of Period	(121,524,000)	(79,167,000)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Balance at Beginning of Period	(44,568,000)	(49,322,000)
Other Comprehensive Income (Loss) Before Reclassifications	(54,619,000)	(431,000)
Amounts Reclassified from AOCI	0	0
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	(54,619,000)	(431,000)
Related Tax Amounts	0	0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(54,619,000)	(431,000)
Accumulated Other Comprehensive Income (Loss), Balance at End of Period	(99,187,000)	(49,753,000)
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Balance at Beginning of Period	(34,533,000)	(30,551,000)
Other Comprehensive Income (Loss) Before Reclassifications	828,000	160,000
Amounts Reclassified from AOCI	24,366,000	733,000
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	25,194,000	893,000
Related Tax Amounts	(8,237,000)	(187,000)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	16,957,000	706,000
Accumulated Other Comprehensive Income (Loss), Balance at End of Period	(17,576,000)	(29,845,000)
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss), Balance at Beginning of Period	(320,000)	0
Other Comprehensive Income (Loss) Before Reclassifications	(5,170,000)	0
Amounts Reclassified from AOCI	0	0
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	(5,170,000)	0
Related Tax Amounts	1,189,000	0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(3,981,000)	0
Accumulated Other Comprehensive Income (Loss), Balance at End of Period	(4,301,000)	0
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss), Balance at Beginning of Period	1,251,000	(842,000)
Other Comprehensive Income (Loss) Before Reclassifications	(2,135,000)	1,707,000
Amounts Reclassified from AOCI	(32,000)	(96,000)
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	(2,167,000)	1,611,000
Related Tax Amounts	456,000	(338,000)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(1,711,000)	1,273,000
Accumulated Other Comprehensive Income (Loss), Balance at End of Period	$ (460,000)	$ 431,000