Derivative Financial Instruments - Schedule of Derivative Financial Instruments at Gross Fair Value (Parentheticals) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Sep. 30, 2021
Derivative [Line Items]
Gross Amount of Recognized Assets	$ 2,322
Other Current Assets \| Forward Contracts
Derivative [Line Items]
Gross Amount of Recognized Assets	4,000	$ 5,400
Other Current Liabilities \| Forward Contracts
Derivative [Line Items]
Gross Amount of Recognized Liabilities	$ 2,600	$ 3,300

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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