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, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	$ 5,942,553	$ 4,041,525	$ 4,468,594	$ 4,093,580
Other comprehensive income (loss), before reclassifications	21,362	94,736	(3,295)	(36,629)
Amounts reclassified within accumulated other comprehensive loss			0
Amounts reclassified from accumulated other comprehensive loss	675	656	1,350	1,313
Total other comprehensive income (loss), net of tax	22,037	95,392	(1,945)	(35,316)
Other comprehensive (income) loss attributable to noncontrolling interests	76	(34)	76	(80)
Ending Balance	$ 6,365,771	4,206,161	$ 6,365,771	4,206,161
1.875% Senior Notes
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Debt instrument, interest rate	1.875%		1.875%
Foreign Currency Translation and Other
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	$ (345,591)	(550,760)	$ (369,152)	(468,737)
Other comprehensive income (loss), before reclassifications	20,539	62,847	(7,628)	(19,139)
Amounts reclassified within accumulated other comprehensive loss			51,703
Amounts reclassified from accumulated other comprehensive loss	25	8	50	17
Total other comprehensive income (loss), net of tax	20,564	62,855	(7,578)	(19,122)
Other comprehensive (income) loss attributable to noncontrolling interests	76	(34)	76	(80)
Ending Balance	(324,951)	(487,939)	(324,951)	(487,939)
Net Investment Hedge
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	0	82,859	46,593	80,778
Other comprehensive income (loss), before reclassifications	0	(5,756)	5,110	(3,675)
Amounts reclassified within accumulated other comprehensive loss			(51,703)
Amounts reclassified from accumulated other comprehensive loss	0	0	0	0
Total other comprehensive income (loss), net of tax	0	(5,756)	5,110	(3,675)
Other comprehensive (income) loss attributable to noncontrolling interests	0	0	0	0
Ending Balance	0	77,103	0	77,103
Cash Flow Hedge
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	4,849	(46,613)	6,449	4,847
Other comprehensive income (loss), before reclassifications	823	37,645	(777)	(13,815)
Amounts reclassified within accumulated other comprehensive loss			0
Amounts reclassified from accumulated other comprehensive loss	0	0	0	0
Total other comprehensive income (loss), net of tax	823	37,645	(777)	(13,815)
Other comprehensive (income) loss attributable to noncontrolling interests	0	0	0	0
Ending Balance	5,672	(8,968)	5,672	(8,968)
Interest Rate Swap
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	(9,372)	(11,975)	(10,022)	(12,623)
Other comprehensive income (loss), before reclassifications	0	0	0	0
Amounts reclassified within accumulated other comprehensive loss			0
Amounts reclassified from accumulated other comprehensive loss	650	648	1,300	1,296
Total other comprehensive income (loss), net of tax	650	648	1,300	1,296
Other comprehensive (income) loss attributable to noncontrolling interests	0	0	0	0
Ending Balance	(8,722)	(11,327)	(8,722)	(11,327)
Accumulated Other Comprehensive (Loss) Income
Increase (Decrease) in Accumulated Other Comprehensive Income [Roll Forward]
Beginning Balance	(350,114)	(526,489)	(326,132)	(395,735)
Total other comprehensive income (loss), net of tax	22,113	95,358	(1,869)	(35,396)
Ending Balance	$ (328,001)	$ (431,131)	$ (328,001)	$ (431,131)