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Fair Value Measurements - Assets and Liabilities (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Assets, Fair Value Disclosure [Abstract] |  |
Gross derivative assets | $ 383.0 | $ 499.6
Liabilities, Fair Value Disclosure [Abstract] |  |
Derivative Liability, Subject to Master Netting Arrangement, before Offset | 312.8 | 401.6
Fair value measured on recurring basis |  |
Assets, Fair Value Disclosure [Abstract] |  |
Assets, Fair Value Disclosure, Total | 403.8 | 519.6
Liabilities, Fair Value Disclosure [Abstract] |  |
Liabilities, Fair Value Disclosure, Total | 312.8 | 401.6
Fair value measured on recurring basis | Fair Value, Inputs, Level 1 [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Assets, Fair Value Disclosure, Total | 131.1 | 157.4
Liabilities, Fair Value Disclosure [Abstract] |  |
Liabilities, Fair Value Disclosure, Total | 151.2 | 165.9
Fair value measured on recurring basis | Fair Value, Inputs, Level 2 [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Assets, Fair Value Disclosure, Total | 258.7 | 352.8
Liabilities, Fair Value Disclosure [Abstract] |  |
Liabilities, Fair Value Disclosure, Total | 154.0 | 232.0
Fair value measured on recurring basis | Fair Value, Inputs, Level 3 [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Assets, Fair Value Disclosure, Total | 14.1 | 9.4
Liabilities, Fair Value Disclosure [Abstract] |  |
Liabilities, Fair Value Disclosure, Total | 7.6 | 3.7
Commodity Contract [Member] | Fair value measured on recurring basis |  |
Assets, Fair Value Disclosure [Abstract] |  |
Gross derivative assets | 369.3 | 467.6
Liabilities, Fair Value Disclosure [Abstract] |  |
Derivative Liability, Subject to Master Netting Arrangement, before Offset | 301.4 | 378.7
Commodity Contract [Member] | Fair value measured on recurring basis | Fair Value, Inputs, Level 1 [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Gross derivative assets | 131.1 | 157.4
Liabilities, Fair Value Disclosure [Abstract] |  |
Derivative Liability, Subject to Master Netting Arrangement, before Offset | 151.2 | 165.9
Commodity Contract [Member] | Fair value measured on recurring basis | Fair Value, Inputs, Level 2 [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Gross derivative assets | 224.2 | 300.8
Liabilities, Fair Value Disclosure [Abstract] |  |
Derivative Liability, Subject to Master Netting Arrangement, before Offset | 142.6 | 209.1
Commodity Contract [Member] | Fair value measured on recurring basis | Fair Value, Inputs, Level 3 [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Gross derivative assets | 14.1 | 9.4
Liabilities, Fair Value Disclosure [Abstract] |  |
Derivative Liability, Subject to Master Netting Arrangement, before Offset | 7.6 | 3.7
Interest Rate Contract [Member] | Fair value measured on recurring basis |  |
Assets, Fair Value Disclosure [Abstract] |  |
Gross derivative assets |  | 2.9
Interest Rate Contract [Member] | Fair value measured on recurring basis | Fair Value, Inputs, Level 1 [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Gross derivative assets |  | 0.0
Interest Rate Contract [Member] | Fair value measured on recurring basis | Fair Value, Inputs, Level 2 [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Gross derivative assets |  | 2.9
Interest Rate Contract [Member] | Fair value measured on recurring basis | Fair Value, Inputs, Level 3 [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Gross derivative assets |  | 0.0
Foreign Exchange Contract [Member] | Fair value measured on recurring basis |  |
Assets, Fair Value Disclosure [Abstract] |  |
Gross derivative assets | 13.6 | 29.1
Liabilities, Fair Value Disclosure [Abstract] |  |
Derivative Liability, Subject to Master Netting Arrangement, before Offset | 11.4 | 22.9
Foreign Exchange Contract [Member] | Fair value measured on recurring basis | Fair Value, Inputs, Level 1 [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Gross derivative assets | 0.0 | 0.0
Liabilities, Fair Value Disclosure [Abstract] |  |
Derivative Liability, Subject to Master Netting Arrangement, before Offset | 0.0 | 0.0
Foreign Exchange Contract [Member] | Fair value measured on recurring basis | Fair Value, Inputs, Level 2 [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Gross derivative assets | 13.6 | 29.1
Liabilities, Fair Value Disclosure [Abstract] |  |
Derivative Liability, Subject to Master Netting Arrangement, before Offset | 11.4 | 22.9
Foreign Exchange Contract [Member] | Fair value measured on recurring basis | Fair Value, Inputs, Level 3 [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Gross derivative assets | 0.0 | 0.0
Liabilities, Fair Value Disclosure [Abstract] |  |
Derivative Liability, Subject to Master Netting Arrangement, before Offset | 0.0 | 0.0
Cash Surrender Value [Member] | Fair value measured on recurring basis |  |
Assets, Fair Value Disclosure [Abstract] |  |
Investments, Fair Value Disclosure | 20.9 | 20.0
Cash Surrender Value [Member] | Fair value measured on recurring basis | Fair Value, Inputs, Level 1 [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Investments, Fair Value Disclosure | 0.0 | 0.0
Cash Surrender Value [Member] | Fair value measured on recurring basis | Fair Value, Inputs, Level 2 [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Investments, Fair Value Disclosure | 20.9 | 20.0
Cash Surrender Value [Member] | Fair value measured on recurring basis | Fair Value, Inputs, Level 3 [Member] |  |
Assets, Fair Value Disclosure [Abstract] |  |
Investments, Fair Value Disclosure | $ 0.0 | $ 0.0

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