Income Taxes - Income (Loss) Before Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract]
Income (loss) before income taxes, U.S.	$ 121.3	$ (158.4)	$ (100.5)
Income (loss) before income taxes, Non-U.S.	391.7	113.0	210.7
Income (Loss) Before Income Taxes	$ 513.0	$ (45.4)	$ 110.2