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Other Operating Income, Net - Additional Information (Detail) - Other Operating Income, Net [Member] - USD ($) $ in Thousands | Sep. 30, 2022 | Sep. 30, 2021
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Barber-Nichols, Inc. [Member] |  |
Other Operating Income Net [Line Items] |  |
Change in fair value of contingent liability |  | $ 1,900
Transaction Agreement [Member] |  |
Other Operating Income Net [Line Items] |  |
Accrued Liabilities | $ 798 |

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