Other, Net (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Other, Net [Abstract] | ||||
| Accounts receivable | $ 3.1 | $ 3.8 | $ 9.4 | $ 7.3 |
| Gas storage and other inventories | 20.7 | 8.5 | 45.1 | 26.3 |
| Customer deposits and credits | (1.3) | (5.7) | 3.1 | (11.1) |
| Income Tax Examination, Penalties Expense | 0.0 | 5.3 | 0.0 | (3.9) |
| Other, net | 22.3 | 9.9 | 54.9 | 16.2 |
| Miscellaneous Non-Operating Income (Expense) | $ (0.2) | $ (2.0) | $ (2.7) | $ (2.4) |
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- Definition Miscellaneous Non-Operating Income (Expense) No definition available.
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- Definition Other, Net [Abstract] No definition available.
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- Definition Pension and Other Postretirement Non Service Cost No definition available.
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- Definition The amount of estimated penalties recognized in the period arising from income tax examinations. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of interest income (expense) classified as nonoperating. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of income (expense) related to nonoperating activities, classified as other. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount capitalized of allowance for funds used during construction. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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