GOODWILL AND INTANGIBLES - GOODWILL (Details) $ in Millions |
6 Months Ended |
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Jun. 30, 2024
USD ($)
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| Goodwill balance by segment | |
| Changes to the carrying amount of goodwill | $ 0.0 |
| Goodwill | 3,052.8 |
| Accumulated impairment losses | 0.0 |
| Wisconsin | |
| Goodwill balance by segment | |
| Goodwill | 2,104.3 |
| Illinois | |
| Goodwill balance by segment | |
| Goodwill | 758.7 |
| Other States | |
| Goodwill balance by segment | |
| Goodwill | 183.2 |
| Non-Utility Energy Infrastructure | |
| Goodwill balance by segment | |
| Goodwill | $ 6.6 |
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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