Inventories - Schedule of Inventories (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Inventory Disclosure [Abstract] | ||
| Petroleum products - FIFO basis | $ 480.1 | $ 305.8 |
| Store merchandise for resale - FIFO basis | 258.0 | 254.7 |
| Less LIFO reserve | (337.0) | (162.6) |
| Total petroleum products and store merchandise inventory | 401.1 | 397.9 |
| Materials and supplies | 16.3 | 15.1 |
| Total inventories | $ 417.4 | $ 413.0 |
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- Definition Total Inventory No definition available.
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- Definition The amount of FIFO (first in first out) inventory present at the reporting date when inventory is also valued using different valuation methods. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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 Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Carrying amount as of the balance sheet date of merchandise inventory purchased by a retailer, wholesaler or distributor and held for future sale. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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