Income Taxes - Income Before Income Tax Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [Line Items]
Income (loss) before income taxes	$ 175.3	$ 539.1	$ (834.2)
Domestic
Income Taxes [Line Items]
Income (loss) before income taxes	295.3	606.0	(834.0)
Foreign
Income Taxes [Line Items]
Income (loss) before income taxes	$ (120.0)	$ (66.9)	$ (0.2)