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Joint Venture (Accounts Receivable, Accounts Payable, and Other Assets Related to JV) (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Sep. 30, 2024
--- | --- | ---
Schedule Of Equity Method Investments [Line Items] |  |
Accounts receivable | $ 477,321 | $ 457,234
Accounts payable | 289,417 | 287,457
Woodward and General Electric Joint Venture [Member] |  |
Schedule Of Equity Method Investments [Line Items] |  |
Other assets | 23,069 | 19,219
Woodward and General Electric Joint Venture [Member] | Related Party [Member] |  |
Schedule Of Equity Method Investments [Line Items] |  |
Accounts receivable | 5,377 | 5,205
Accounts payable | $ 8,370 | $ 11,378

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