Income Taxes - Loss Before Tax (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
United States	$ (225.5)	$ (240.3)	$ (123.6)
Foreign	(69.3)	6.7	2.8
Loss before income taxes	$ (294.8)	$ (233.6)	$ (120.8)