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]
Effective tax rate (percent)	30.60%	22.90%	26.10%	18.50%
Unrecognized tax benefits	$ 14.2		$ 14.2
Unrecognized tax benefits that would affect the effective tax rate if recognized	13.8		13.8
Unrecognized tax benefits, penalties accrued	$ 0.9		$ 0.9