Inventories - Components of Inventory (Detail) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Sep. 30, 2025 |
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| Inventory Disclosure [Abstract] | ||
| Product | $ 33,448 | $ 22,040 |
| Parts and equipment | 24,884 | 24,982 |
| Total inventory | $ 58,332 | $ 47,022 |
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- Definition Carrying amount as of the balance sheet date of petroleum or crude oil. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Gross amount of components of assembled products that can be sold directly or indirectly through sales of assembled products. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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