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Joint Venture (Narrative) (Details) - Woodward and General Electric Joint Venture [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2021
Mar. 31, 2021
Jun. 30, 2022
Jun. 30, 2021
Schedule Of Equity Method Investments [Line Items]            
Cash received annually from formation of joint venture   $ 4,894   $ 4,894    
Sales [Member]            
Schedule Of Equity Method Investments [Line Items]            
Amortization of deferred income recognized as an increase to sales $ 905   $ 971   $ 2,632 $ 3,142
Reduction to sales related to royalties owed to joint venture $ 7,912   $ 3,944   $ 21,058 $ 14,998