Intangible Assets Schedule of Intangible Asset Amortization (Details) $ in Millions	Dec. 31, 2020 USD ($)
Intangible Assets Disclosure [Abstract]
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	$ 8.0
Finite-Lived Intangible Assets, Amortization Expense, Year Two	9.6
Finite-Lived Intangible Assets, Amortization Expense, Year Three	7.5
Finite-Lived Intangible Assets, Amortization Expense, Year Four	9.4
Finite-Lived Intangible Assets, Amortization Expense, Year Five	5.8
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	22.5
Finite-Lived Intangible Assets, Net	$ 62.8