Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
Tax benefit (expense)	$ 16.0	$ 15.5	$ 31.0	$ 31.6
Effective income tax rate	15.60%	19.40%	16.40%	21.10%