CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Treasury Stock
Balance at beginning of period (in shares) at Dec. 31, 2023		187.0
Balance at beginning of period at Dec. 31, 2023	$ 3,878.2	$ 1.9	$ 3,032.7	$ 947.5	$ (47.5)	$ (56.4)
Treasury stock, balance at beginning of period (in shares) at Dec. 31, 2023						(3.3)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Acquisition of treasury stock (in shares)						(0.4)
Acquisition of treasury stock	(6.2)					$ (6.2)
Exercise of stock options	0.0		(0.1)			0.1
Compensatory awards released from restriction	0.0		(14.0)			$ 14.0
Compensatory awards released from restriction (in shares)						0.8
Share-based compensation	13.1		13.1
Equity adjustment from foreign currency translation	(14.2)				(14.2)
Change in fair value of derivative instruments, net of tax	9.6				9.6
Net income	6.5			6.5
Balance at end of period (in shares) at Mar. 31, 2024		187.0
Balance at end of period at Mar. 31, 2024	3,887.0	$ 1.9	3,031.7	954.0	(52.1)	$ (48.5)
Treasury stock, balance at end of period (in shares) at Mar. 31, 2024						(2.9)
Balance at beginning of period (in shares) at Dec. 31, 2024		186.2
Balance at beginning of period at Dec. 31, 2024	$ 2,407.7	$ 1.9	3,032.8	(500.2)	(76.0)	$ (50.8)
Treasury stock, balance at beginning of period (in shares) at Dec. 31, 2024	(3.1)					(3.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Acquisition of treasury stock (in shares)						(0.5)
Acquisition of treasury stock	$ (3.3)					$ (3.3)
Compensatory awards released from restriction	0.0		(17.7)			$ 17.7
Compensatory awards released from restriction (in shares)						1.1
Share-based compensation	7.0		7.0
Equity adjustment from foreign currency translation	18.2				18.2
Change in fair value of derivative instruments, net of tax	(5.1)				(5.1)
Net income	2.1			2.1
Balance at end of period (in shares) at Mar. 31, 2025		186.2
Balance at end of period at Mar. 31, 2025	$ 2,426.6	$ 1.9	$ 3,022.1	$ (498.1)	$ (62.9)	$ (36.4)
Treasury stock, balance at end of period (in shares) at Mar. 31, 2025	(2.5)					(2.5)