Inventories - Components of Inventory (Detail) - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 30, 2020
Inventory Disclosure [Abstract]
Product	$ 37,890	$ 29,799
Parts and equipment	23,293	20,457
Total inventory	$ 61,183	$ 50,256

Carrying amount as of the balance sheet date of petroleum or crude oil.

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- References

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- Definition

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

+ References

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-Publisher FASB
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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Gross amount of components of assembled products that can be sold directly or indirectly through sales of assembled products.

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