Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Tax Contingency [Line Items]
Income Tax Expense (Benefit)	$ (62.5)	$ 72.9	$ (249.0)	$ (92.6)
Income (loss) before income tax (benefit) expense	(451.0)	$ 141.2	(1,614.5)	$ (1,005.2)
Decrease in unrecognized tax benefits is reasonably possible	$ 55.0		$ 55.0