Income Taxes - Income Tax Expense (Benefit) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Tax Disclosure [Abstract]
Income Tax Expense/(Benefit)	$ 32.0	$ (24.8)	$ 28.9	$ (3.7)
Effective Tax Rate	70.60%	3.50%	92.90%	0.50%