Inventory (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Sep. 30, 2020
Inventory Disclosure [Abstract]
Inventory, Raw Materials, Gross	$ 4,509	$ 3,232
Inventory, Work in Process, Gross	5,540	4,894
Inventory, Finished Goods, Gross	1,599	1,186
Other Inventory, Gross	27,260	15,577
Inventory, Net	$ 38,908	$ 24,889

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

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