Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
GILTI tax benefit	$ 42.0
Income tax (benefit) expense	$ (47.3)	$ 57.2	$ (37.4)	$ 40.0