Income Taxes Income by Region (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
U.S.	$ 230.6	$ (42.1)	$ (1,505.4)
Non-U.S.	(68.6)	52.7	23.5
Income (loss) before income taxes	$ 162.0	$ 10.6	$ (1,481.9)