Income Taxes (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Unrecognized Tax Benefits	$ 66.0		$ 65.4
Valuation Allowance due to Completion of Transaction		$ 37.0
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent		340.00%
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount		$ 3.9
Effective Income Tax Rate Reconciliation, Percent	19.20%	23.20%
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%