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Joint Ventures (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2013
Proceeds from Sale of Productive Assets | $ 2,529 | $ 1,277 | $ 418
Woodward and General Electric Joint Venture [Member] |  |  |
Agreement to Form Joint Venture, Execution Date | May 20, 2015 |  |
Woodward and General Electric Joint Venture [Member] | Scenario, Forecast [Member] |  |  |
Proceeds from Sale of Productive Assets | $ 250,000 |  |
Proceeds from Sale of Productive Assets, Annual Payments | $ 4,900 |  |
Equity Method Investment, Ownership Percentage | 50.00% |  |

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