Accumulated Other Comprehensive (Loss) Income Amount of Income Tax (Expense) Benefit Allocated to Component of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Equity [Abstract]
Foreign currency translation, Other comprehensive income (loss), before tax	$ (62,030)	$ (150,262)	$ 228,508
Foreign currency translation, Income tax (expense) benefit	(1)	4	(1,069)
Foreign currency translation, Other comprehensive income (loss), net of tax	(62,031)	(150,258)	227,439
Pension and other postretirement benefits, Other comprehensive (loss) income, before tax	633	(128)	(96)
Pension and other postretirement benefits, Income tax expense	(1)	(10)	(1)
Pension and other postretirement benefits, Other comprehensive (loss) income, net of tax	632	(138)	(97)
Net investment hedge, Other comprehensive (loss) income, before tax	10,867	20,424	(65,958)
Net investment hedge, Income tax benefit (expense)	(2,426)	5,362	24,131
Net investment hedge, Other comprehensive (loss) income, net of tax	8,441	25,786	(41,827)
Cash flow hedge, other comprehensive income (loss), before tax	4,847	0	0
Cash flow hedge, other comprehensive income (loss), tax	0	0	0
Cash flow hedge, other comprehensive income (loss), net of tax	4,847	0	0
Interest rate swap, Other comprehensive income, before tax	3,336	3,336	3,336
Interest rate swap, Income tax expense	(745)	(3,921)	(1,220)
Interest rate swap, Other comprehensive income, net of tax	$ 2,591	$ (585)	$ 2,116