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Derivatives and Hedging (Narratives) (Details) - USD ($)
 3 Months Ended 12 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Jun. 30, 2025
Derivative [Line Items]      
Foreign currency transactions realized gains (losses) $ 900,000 $ (1,400,000)  
Forward Foreign Currency Contracts | Not Designated as Hedging Instrument      
Derivative [Line Items]      
Notional principal amount of forward foreign exchange contracts 65,100,000   $ 57,200,000
Net gains (losses) on forward foreign currency contracts (1,400,000) $ 800,000  
Forward Foreign Currency Contracts | Designated as Hedging Instrument      
Derivative [Line Items]      
Unrealized gain (loss) on derivatives $ 0   $ 0