Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Income Tax Disclosure [Abstract]
Liability for unrecognized tax benefits	$ 11.6
Anticipated decrease in unrecognized tax benefits within the next twelve months	0.4
Income tax benefit	$ (0.5)	$ 1.2