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
	Mar. 31, 2021	Mar. 31, 2020
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	$ 4,468,594	$ 4,093,580
Other comprehensive income (loss), before reclassifications	(24,657)	(131,365)
Amounts reclassified within accumulated other comprehensive loss	0
Amounts reclassified from accumulated other comprehensive loss	675	657
Total other comprehensive loss, net of tax	(23,982)	(130,708)
Other comprehensive (income) loss attributable to noncontrolling interests	0	(46)
Ending Balance	$ 5,942,553	4,041,525
1.875% Senior Notes
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Debt instrument, interest rate	1.875%
Foreign Currency Translation and Other
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	$ (369,152)	(468,737)
Other comprehensive income (loss), before reclassifications	(28,167)	(81,986)
Amounts reclassified within accumulated other comprehensive loss	(51,703)
Amounts reclassified from accumulated other comprehensive loss	25	9
Total other comprehensive loss, net of tax	(28,142)	(81,977)
Other comprehensive (income) loss attributable to noncontrolling interests	0	(46)
Ending Balance	(345,591)	(550,760)
Net Investment Hedge
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	46,593	80,778
Other comprehensive income (loss), before reclassifications	5,110	2,081
Amounts reclassified within accumulated other comprehensive loss	51,703
Amounts reclassified from accumulated other comprehensive loss	0	0
Total other comprehensive loss, net of tax	5,110	2,081
Other comprehensive (income) loss attributable to noncontrolling interests	0	0
Ending Balance	0	82,859
Cash Flow Hedge
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	6,449	4,847
Other comprehensive income (loss), before reclassifications	(1,600)	(51,460)
Amounts reclassified within accumulated other comprehensive loss	0
Amounts reclassified from accumulated other comprehensive loss	0	0
Total other comprehensive loss, net of tax	(1,600)	(51,460)
Other comprehensive (income) loss attributable to noncontrolling interests	0	0
Ending Balance	4,849	(46,613)
Interest Rate Swap
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	(10,022)	(12,623)
Other comprehensive income (loss), before reclassifications	0	0
Amounts reclassified within accumulated other comprehensive loss	0
Amounts reclassified from accumulated other comprehensive loss	650	648
Total other comprehensive loss, net of tax	650	648
Other comprehensive (income) loss attributable to noncontrolling interests	0	0
Ending Balance	(9,372)	(11,975)
Accumulated Other Comprehensive (Loss) Income
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	(326,132)	(395,735)
Total other comprehensive loss, net of tax	(23,982)	(130,754)
Ending Balance	$ (350,114)	$ (526,489)