Accumulated Other Comprehensive (Loss) Income - Components and Activity in Accumulated Other Comprehensive (Loss) Income Net of Deferred Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	$ 4,041,525	$ 3,864,039	$ 4,093,580	$ 3,759,108
Other comprehensive income (loss), before reclassifications	94,736	7,507	(36,629)	(44)
Amounts reclassified from accumulated other comprehensive loss	656	647	1,313	1,295
Total other comprehensive income (loss), net of tax	95,392	8,154	(35,316)	1,251
Other comprehensive (income) loss attributable to noncontrolling interests	(34)	(27)	(80)	20
Ending Balance	4,206,161	3,974,403	4,206,161	3,974,403
Foreign Currency Translation
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	(551,242)	(418,454)	(469,210)	(407,646)
Other comprehensive income (loss), before reclassifications	62,847	10,544	(19,139)	(311)
Amounts reclassified from accumulated other comprehensive loss	0	0	0	0
Total other comprehensive income (loss), net of tax	62,847	10,544	(19,139)	(311)
Other comprehensive (income) loss attributable to noncontrolling interests	(34)	(27)	(80)	20
Ending Balance	(488,429)	(407,937)	(488,429)	(407,937)
Pension and Postretirement Benefits
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	482	(152)	473	(159)
Other comprehensive income (loss), before reclassifications	0	0	0	0
Amounts reclassified from accumulated other comprehensive loss	8	6	17	13
Total other comprehensive income (loss), net of tax	8	6	17	13
Other comprehensive (income) loss attributable to noncontrolling interests	0	0	0	0
Ending Balance	490	(146)	490	(146)
Net Investment Hedge
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	82,859	75,641	80,778	72,337
Other comprehensive income (loss), before reclassifications	(5,756)	(3,037)	(3,675)	267
Amounts reclassified from accumulated other comprehensive loss	0	0	0	0
Total other comprehensive income (loss), net of tax	(5,756)	(3,037)	(3,675)	267
Other comprehensive (income) loss attributable to noncontrolling interests	0	0	0	0
Ending Balance	77,103	72,604	77,103	72,604
Cash Flow Hedge
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	(46,613)	0	4,847	0
Other comprehensive income (loss), before reclassifications	37,645	0	(13,815)	0
Amounts reclassified from accumulated other comprehensive loss	0	0	0	0
Total other comprehensive income (loss), net of tax	37,645	0	(13,815)	0
Other comprehensive (income) loss attributable to noncontrolling interests	0	0	0	0
Ending Balance	(8,968)	0	(8,968)	0
Interest Rate Swap
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	(11,975)	(14,573)	(12,623)	(15,214)
Other comprehensive income (loss), before reclassifications	0	0	0	0
Amounts reclassified from accumulated other comprehensive loss	648	641	1,296	1,282
Total other comprehensive income (loss), net of tax	648	641	1,296	1,282
Other comprehensive (income) loss attributable to noncontrolling interests	0	0	0	0
Ending Balance	(11,327)	(13,932)	(11,327)	(13,932)
Accumulated Other Comprehensive (Loss) Income
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	(526,489)	(357,538)	(395,735)	(350,682)
Total other comprehensive income (loss), net of tax	95,358	8,127	(35,396)	1,271
Ending Balance	$ (431,131)	$ (349,411)	$ (431,131)	$ (349,411)