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Other Liabilities (Schedule of Other Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Sep. 30, 2023
--- | --- | ---
Other Liabilities, Noncurrent [Abstract] |  |  |
Net accrued retirement benefits, less amounts recognized within accrued liabilities |  | $ 78,117 | $ 72,570
Total unrecognized tax benefits |  | 8,618 | 8,020
Noncurrent income taxes payable |  | 10,714 | 10,714
Deferred economic incentives | [1] | 5,479 | 5,797
Noncurrent operating lease liabilities |  | 20,250 | 20,685
Net noncurrent contract liabilities |  | 419,939 | 414,657
Cross-currency swap derivative liability |  | 12,362 |
Other |  | 10,403 | 11,047
Other liabilities |  | $ 565,882 | $ 543,490
[1] | Woodward receives certain economic incentives from various state and local authorities related to capital expansion projects. Such amounts are initially recorded as deferred credits and are being recognized as a reduction to pre-tax expense over the economic lives of the related capital expansion projects.

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