Derivative Financial Instruments - Schedule of Derivative Financial Instruments at Gross Fair Value (Parentheticals) (Details) - USD ($) $ in Millions	Sep. 30, 2023	Sep. 30, 2022
Other Current Assets
Derivative [Line Items]
Gross Amount of Recognized Assets	$ 7.3	$ 9.1
Other Current Liabilities \| Forward Contracts
Derivative [Line Items]
Gross Amount of Recognized Liabilities	$ 3.2	$ 2.9

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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