Income Taxes (Deferred Tax Assets for Certain Tax Credits) (Details) $ in Millions	Sep. 30, 2024 USD ($)
U.S. State
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	$ 2.7
U.S. Federal
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	19.7
Foreign
Tax Credit Carryforward [Line Items]
Tax credit carryforwards	$ 18.1