Physical Commodities Inventory (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Sep. 30, 2025 |
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| Inventory [Line Items] | ||
| Physical Agriculture and Energy | $ 225.6 | $ 249.3 |
| Precious metals - held by broker-dealer subsidiary | 413.5 | 471.1 |
| Physical commodities inventory, net | 1,165.5 | 917.5 |
| Physical Commodities Inventory - Precious Metals | ||
| Inventory [Line Items] | ||
| Precious metals - held by broker-dealer subsidiary | 187.9 | 221.8 |
| Precious metals - held by non-broker-dealer subsidiaries | 752.0 | 446.4 |
| Raw materials | 24.6 | 4.6 |
| Work in process | $ 89.3 | $ 48.6 |
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- Definition Physical commodities inventory at fair value - precious metals No definition available.
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- Definition Carrying amount as of the balance sheet date of merchandise or supplies held which are related to plants and animals. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. 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/disclosureRef
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- Definition Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Details
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