Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Tax Contingency [Line Items]
Income (loss) before income taxes	$ (37.8)	$ 28.3
Income tax (benefit) provision	$ (6.7)	$ 7.9
Effective tax rate	17.70%	28.00%
Unrecognized tax benefits	$ 117.1
Loss on extinguishment of debt	60.6	$ 0.0
Charges	19.3	$ 8.9
Maximum
Income Tax Contingency [Line Items]
Unrecognized tax benefits, maximum decrease in the next twelve months	$ 11.0