Income Taxes (Deferred Tax Assets for Certain Tax Credits) (Details) $ in Millions |
Sep. 30, 2021
USD ($)
|
---|---|
U.S. State | |
Tax Credit Carryforward [Line Items] | |
Tax credit carryforwards | $ 2.2 |
U.S. Federal | |
Tax Credit Carryforward [Line Items] | |
Tax credit carryforwards | 2.1 |
Foreign | |
Tax Credit Carryforward [Line Items] | |
Tax credit carryforwards | $ 27.5 |