Income Taxes - Schedule of Income Before Income Tax Domestic and Foreign Current and Deferred Portions of Income Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Loss before income taxes	$ (33.9)	$ (105.3)	$ (306.6)
Current:
Federal	3.1	8.6	0.0
State and local	2.6	2.0	2.9
Foreign	20.8	13.7	16.1
Total current provision/(benefit)	26.5	24.3	19.0
Deferred:
Federal	(11.0)	(17.6)	(19.6)
State and local	(2.3)	(5.5)	(4.2)
Foreign	(10.5)	(7.8)	(13.4)
Total deferred provision/(benefit)	(23.8)	(30.9)	(37.2)
Total provision/(benefit) from income taxes	2.7	(6.6)	(18.2)
United States
Segment Reporting Information [Line Items]
Loss before income taxes	(71.8)	(125.0)	(169.5)
Foreign
Segment Reporting Information [Line Items]
Loss before income taxes	$ 37.9	$ 19.7	$ (137.1)