Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Abstract]
Income tax benefit (expense)	$ (0.3)	$ 1.3		$ 1.6	$ 5.7
Impact of ASU 2018-02			$ 1.3		$ (1.3)