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Joint Venture (Narrative) (Details) - Woodward and General Electric Joint Venture [Member] - USD ($) $ in Thousands | 3 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Schedule Of Equity Method Investments [Line Items] |  |
Ownership interest, joint venture | 50.00% |
Sales [Member] |  |
Schedule Of Equity Method Investments [Line Items] |  |
Amortization of deferred income recognized as an increase to sales | $ 1,023 | $ 1,335
Reduction to sales related to royalties owed to joint venture | $ 16,011 | $ 14,539

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