Inventories - Schedule of Components of Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Sep. 30, 2023
Inventory Disclosure [Abstract]
Purchased parts and raw materials	$ 21,558	$ 22,627
Work-in-process	7,058	7,774
Finished goods	2,692	4,444
Inventories	$ 31,308	$ 34,845

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

+ References

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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-Topic 852
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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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