Income Taxes - Domestic and Foreign Income Tax Components (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Tax Disclosure [Abstract]
Domestic	$ (312.7)	$ (89.6)	$ (57.5)
Foreign	612.9	1,073.5	955.3
Income (loss) from continuing operations before income taxes	$ 300.2	$ 983.9	$ 897.8