Derivatives - Schedule of Offsetting Derivative Liabilities (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Offsetting Liabilities | ||
| Gross Amounts of Recognized Liabilities | $ 64.9 | $ 0.0 |
| Gross Amounts Offset | 5.7 | 23.1 |
| Total derivative instruments | (71.0) | |
| Net Amounts of Liabilities Presented | (65.3) | (23.1) |
| Crack spread swaps | ||
| Offsetting Liabilities | ||
| Gross Amounts of Recognized Liabilities | 64.9 | 0.0 |
| Derivative instruments not designated as hedges: | Specialty Products and Solutions | Inventory financing obligation | ||
| Offsetting Liabilities | ||
| Gross Amounts Offset | 23.1 | |
| Total derivative instruments | (0.4) | |
| Net Amounts of Liabilities Presented | (0.4) | $ (23.1) |
| Derivative instruments not designated as hedges: | Specialty Products and Solutions | Crack spread swaps | ||
| Offsetting Liabilities | ||
| Gross Amounts Offset | 5.7 | |
| Total derivative instruments | (70.6) | |
| Net Amounts of Liabilities Presented | $ (64.9) |
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- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of asset associated with financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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