Income Taxes (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Income Tax Contingency [Line Items]
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations		$ 22.8
Unrecognized Tax Benefit Reduction Resulting from Lapse of Applicable Statute of Limitations Unrecognized Tax Benefits, Income Tax Penalties and Interest Portion		$ 2.7
Unrecognized tax benefit more likely than not percentage threshold	50.00%
Unrecognized tax benefits	$ 33.9
Unrecognized tax benefits that would impact effective tax rate	28.0
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	$ 0.0
Internal Revenue Service (IRS) [Member]
Income Tax Contingency [Line Items]
Open Tax Year	2002