Other Comprehensive Income (Loss) - Tax Effects of Components of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Other comprehensive income (loss), Before-Tax Amount:
Before-Tax Amount	$ 18,466	$ (14,482)	$ (100,025)	$ 33,148
Other comprehensive income (loss), Tax Benefit (Expense):
Tax Benefit (Expense)	4,672	1,758	(534)	(477)
Other comprehensive income (loss), Net-of-Tax Amount:
Total OCI, net of tax	23,138	(12,724)	(100,559)	32,671
Foreign currency translation adjustments
Other comprehensive income (loss), Before-Tax Amount:
Before-Tax Amount	31,072	(16,660)	(80,029)	27,621
Other comprehensive income (loss), Tax Benefit (Expense):
Tax Benefit (Expense)	0	2,124	0	39
Other comprehensive income (loss), Net-of-Tax Amount:
Total OCI, net of tax	31,072	(14,536)	(80,029)	27,660
Ownership share of equity method investees’ OCI
Other comprehensive income (loss), Before-Tax Amount:
Before-Tax Amount	(14,901)	(3,400)	(17,420)	(6,895)
Other comprehensive income (loss), Tax Benefit (Expense):
Tax Benefit (Expense)	4,247	935	(1,406)	2,108
Other comprehensive income (loss), Net-of-Tax Amount:
Total OCI, net of tax	(10,654)	(2,465)	(18,826)	(4,787)
Defined benefit pension and postretirement plan adjustments
Other comprehensive income (loss), Before-Tax Amount:
Before-Tax Amount	998	2,182	2,001	4,392
Other comprehensive income (loss), Tax Benefit (Expense):
Tax Benefit (Expense)	(43)	(143)	0	(289)
Other comprehensive income (loss), Net-of-Tax Amount:
Total OCI, net of tax	955	2,039	2,001	4,103
Unrealized gain (loss) on derivative contracts
Other comprehensive income (loss), Before-Tax Amount:
Before-Tax Amount	1,297	3,396	(4,577)	8,030
Other comprehensive income (loss), Tax Benefit (Expense):
Tax Benefit (Expense)	468	(1,158)	872	(2,335)
Other comprehensive income (loss), Net-of-Tax Amount:
Total OCI, net of tax	1,765	2,238	(3,705)	5,695
Less: OCI attributable to NCI
Other comprehensive income (loss), Before-Tax Amount:
Before-Tax Amount	2,421	(279)	(1,796)	206
Other comprehensive income (loss), Tax Benefit (Expense):
Tax Benefit (Expense)	0	0	0	0
Other comprehensive income (loss), Net-of-Tax Amount:
Total OCI, net of tax	2,421	(279)	(1,796)	206
Accumulated Other Comprehensive Loss
Other comprehensive income (loss), Before-Tax Amount:
Before-Tax Amount	16,045	(14,203)	(98,229)	32,942
Other comprehensive income (loss), Tax Benefit (Expense):
Tax Benefit (Expense)	4,672	1,758	(534)	(477)
Other comprehensive income (loss), Net-of-Tax Amount:
Total OCI, net of tax	$ 20,717	$ (12,445)	$ (98,763)	$ 32,465