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Revenue (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2019
Billed accounts receivable due within | 60 days |  |
Noncurrent unbilled receivables | $ 1,562 |  | $ 1,573
Revenue from contract liabilities | 3,970 | $ 9,760 |
Remaining performance obligation amount | $ 1,562,813 |  | $ 1,527,437
Woodward and General Electric Joint Venture [Member] |  |  |
Ownership interest, joint venture | 50.00% |  |
Material Rights [Member] |  |  |
Remaining performance obligation amount | $ 434,437 |  |
Net Sales [Member] | Manufactured Products [Member] |  |  |
Percentage of attributable to revenue | 87.00% | 87.00% |
Net Sales [Member] | MRO Products [Member] |  |  |
Percentage of attributable to revenue | 12.00% | 11.00% |

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