Consolidated Statement of Stockholders' Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2023		134.1
Beginning balance at Dec. 31, 2023	$ 2,042.5	$ 1.3	$ 3,691.3	$ (1,525.5)	$ (124.6)
Shareholders' Equity (Deficit) [Roll Forward]
Net income	497.2			497.2
Equity-based compensation expense	48.1		48.1
Shares issued under equity-based compensation plans (in shares)		0.6
Shares issued under equity-based compensation plans	35.0		35.0
Coworker Stock Purchase Plan	14.4		14.4
Repurchases of common stock (in shares)		(1.1)
Repurchases of common stock	(254.0)			(254.0)
Dividends paid	(166.3)		1.1	(167.4)
Incentive compensation plan stock withheld for taxes	(30.7)			(30.7)
Unrealized gain (loss) from hedge accounting	1.9				1.9
Reclassification of cash flow hedge to net income	0.0
Foreign currency translation and other	(13.2)			(0.9)	(12.3)
Ending balance (in shares) at Jun. 30, 2024		133.6
Ending balance at Jun. 30, 2024	2,174.9	$ 1.3	3,789.9	(1,481.3)	(135.0)
Beginning balance (in shares) at Mar. 31, 2024		134.4
Beginning balance at Mar. 31, 2024	2,138.7	$ 1.3	3,745.0	(1,474.2)	(133.4)
Shareholders' Equity (Deficit) [Roll Forward]
Net income	281.1			281.1
Equity-based compensation expense	28.7		28.7
Shares issued under equity-based compensation plans (in shares)		0.1
Shares issued under equity-based compensation plans	6.1		6.1
Coworker Stock Purchase Plan	9.5		9.5
Repurchases of common stock (in shares)		(0.9)
Repurchases of common stock	(201.9)			(201.9)
Dividends paid	(83.0)		0.6	(83.6)
Incentive compensation plan stock withheld for taxes	(0.8)			(0.8)
Unrealized gain (loss) from hedge accounting	0.1				0.1
Reclassification of cash flow hedge to net income	0.0
Foreign currency translation and other	(3.6)			(1.9)	(1.7)
Ending balance (in shares) at Jun. 30, 2024		133.6
Ending balance at Jun. 30, 2024	$ 2,174.9	$ 1.3	3,789.9	(1,481.3)	(135.0)
Beginning balance (in shares) at Dec. 31, 2024	132.6	132.6
Beginning balance at Dec. 31, 2024	$ 2,352.7	$ 1.3	3,834.4	(1,322.9)	(160.1)
Shareholders' Equity (Deficit) [Roll Forward]
Net income	496.1			496.1
Equity-based compensation expense	44.0		44.0
Shares issued under equity-based compensation plans (in shares)		0.4
Shares issued under equity-based compensation plans	25.2		25.2
Coworker Stock Purchase Plan (in shares)		0.1
Coworker Stock Purchase Plan	13.8		13.8
Repurchases of common stock (in shares)		(2.0)
Repurchases of common stock	(350.1)			(350.1)
Dividends paid	(165.1)		1.6	(166.7)
Incentive compensation plan stock withheld for taxes	(20.9)			(20.9)
Unrealized gain (loss) from hedge accounting	(0.4)				(0.4)
Reclassification of cash flow hedge to net income	0.4				0.4
Foreign currency translation and other	$ 71.5		0.1	(2.4)	73.8
Ending balance (in shares) at Jun. 30, 2025	131.1	131.1
Ending balance at Jun. 30, 2025	$ 2,467.2	$ 1.3	3,919.1	(1,366.9)	(86.3)
Beginning balance (in shares) at Mar. 31, 2025		131.7
Beginning balance at Mar. 31, 2025	2,323.1	$ 1.3	3,866.5	(1,401.8)	(142.9)
Shareholders' Equity (Deficit) [Roll Forward]
Net income	271.2			271.2
Equity-based compensation expense	23.5		23.5
Shares issued under equity-based compensation plans (in shares)		0.2
Shares issued under equity-based compensation plans	19.3		19.3
Coworker Stock Purchase Plan (in shares)		0.1
Coworker Stock Purchase Plan	8.9		8.9
Repurchases of common stock (in shares)		(0.9)
Repurchases of common stock	(150.0)			(150.0)
Dividends paid	(82.3)		0.8	(83.1)
Incentive compensation plan stock withheld for taxes	(2.3)			(2.3)
Unrealized gain (loss) from hedge accounting	1.4				1.4
Reclassification of cash flow hedge to net income	0.2				0.2
Foreign currency translation and other	$ 54.2		0.1	(0.9)	55.0
Ending balance (in shares) at Jun. 30, 2025	131.1	131.1
Ending balance at Jun. 30, 2025	$ 2,467.2	$ 1.3	$ 3,919.1	$ (1,366.9)	$ (86.3)