Inventories - Schedule of Components of Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Inventory Disclosure [Abstract]
Purchased parts and raw materials	$ 22,627	$ 15,377
Work-in-process	7,774	6,146
Finished goods	4,444	3,965
Inventories	$ 34,845	$ 25,488

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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.

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

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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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