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Derivative Financial Instruments - Additional Information (Details) - Foreign Exchange Forward Contracts - Not Designated - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Mar. 31, 2023
Sep. 30, 2022
Derivative [Line Items]    
Derivative, notional amount $ 116.9 $ 63.3
Derivative, weighted-average remaining maturity 11 months 18 days 10 months 15 days
Maximum    
Derivative [Line Items]    
Derivative, contract maturity 3 years