Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Income Tax Contingency [Line Items]
Effective income tax rate		62.50%	14.70%
Total gross liability for unrecognized tax benefits		$ 19.5		$ 17.0
Deferred tax assets, valuation allowance		19.4
Provision for income taxes		$ 31.0	$ 9.7
Forecast
Income Tax Contingency [Line Items]
Provision for income taxes	$ 6.0