Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock	Noncontrolling Interest [Member]
Beginning balance at Dec. 31, 2020	$ 5,716.5	$ 2.6	$ 4,544.0	$ 1,667.0	$ (201.0)	$ (296.1)
Beginning balance, shares at Dec. 31, 2020		263,900,000
Noncontrolling interest upon consolidation	104.0		46.8				$ 57.2
Net income	800.6			800.0			0.6
Foreign exchange translation adjustment (Note 11)	(45.1)				(45.1)
Net change in interest rate swaps (Note 11)	0.7				0.7
Defined benefit pension adjustment (Note 11)	3.4				3.4
Stock-based compensation expense (Note 14)	114.0		114.0
Exercise of options, net of withholding taxes (Note 14)	190.7	$ 0.1	190.6
Exercise of options, net of withholding taxes, shares		5,200,000
Dividends declared (Note 11)	(173.7)		0.3	(174.0)
Purchase of common stock (Note 11)	(487.9)					487.9
Ending balance at Dec. 31, 2021	6,223.2	$ 2.7	4,895.7	2,293.0	(242.0)	(784.0)	57.8
Ending balance, shares at Dec. 31, 2021		269,100,000
Net income	649.0			650.2			1.2
Foreign exchange translation adjustment (Note 11)	(311.6)				(311.6)
Net change in interest rate swaps (Note 11)	4.8				4.8
Defined benefit pension adjustment (Note 11)	(1.3)				(1.3)
Stock-based compensation expense (Note 14)	124.8		124.8
Exercise of options, net of withholding taxes (Note 14)	91.1		91.1
Exercise of options, net of withholding taxes, shares		2,800,000
Dividends declared (Note 11)	(203.1)			(203.1)
Purchase of common stock (Note 11)	(476.1)					476.1
Ending balance at Dec. 31, 2022	$ 6,100.8	$ 2.7	5,111.6	2,740.1	(550.1)	(1,260.1)	56.6
Ending balance, shares at Dec. 31, 2022	271,900,000	271,900,000
Net income	$ 608.6			607.1			1.5
Foreign exchange translation adjustment (Note 11)	124.5				124.5
Net change in interest rate swaps (Note 11)	0.0
Defined benefit pension adjustment (Note 11)	(0.7)				(0.7)
Stock-based compensation expense (Note 14)	159.5		159.5
Exercise of options, net of withholding taxes (Note 14)	116.8	$ 0.1	116.7
Exercise of options, net of withholding taxes, shares		3,500,000
Withholding taxes related to equity award net share settlement (Note 14), shares		500,000
Withholding taxes related to equity award net share settlement Value (Note 14)	17.5		17.5
Dividends declared (Note 11)	(220.2)		0.7	(220.9)
Purchase of common stock (Note 11)	(474.1)					474.1
Ending balance at Dec. 31, 2023	$ 6,397.7	$ 2.8	$ 5,371.0	$ 3,126.3	$ (426.3)	$ (1,734.2)	$ 58.1
Ending balance, shares at Dec. 31, 2023	275,900,000	275,900,000