Income Taxes - Summary of Income Tax Provision (Benefit) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Current:
Federal	$ 0.0	$ 0.0	$ (6.2)
State	2.4	1.4	0.4
Foreign	2.7	2.2	1.1
Current income tax expense (benefit)	5.1	3.6	(4.7)
Deferred:
Federal	0.0	0.0	(9.4)
State	0.0	0.0	(5.2)
Foreign	(0.4)	(0.5)	(0.3)
Deferred income tax benefit	(0.4)	(0.5)	(14.9)
Income tax expense (benefit)	4.7	3.1	(19.6)
Domestic	19.0	(111.3)	(77.4)
Foreign	7.5	5.3	4.3
Income (Loss) before income taxes	$ 26.5	$ (106.0)	$ (73.1)