Goodwill and Other Identifiable Intangible Assets - Changes in Carrying Amount of Goodwill by Segment (Details) $ in Millions |
6 Months Ended |
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Jun. 30, 2026
USD ($)
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| Goodwill [Roll Forward] | |
| Beginning Balance | $ 2,678.0 |
| Acquisitions/divestitures | 2.3 |
| Foreign currency translation/other | (4.0) |
| Ending Balance | 2,676.3 |
| Systems Protection | |
| Goodwill [Roll Forward] | |
| Beginning Balance | 1,202.4 |
| Acquisitions/divestitures | 1.3 |
| Foreign currency translation/other | (4.0) |
| Ending Balance | 1,199.7 |
| Electrical Connections | |
| Goodwill [Roll Forward] | |
| Beginning Balance | 1,475.6 |
| Acquisitions/divestitures | 1.0 |
| Foreign currency translation/other | 0.0 |
| Ending Balance | $ 1,476.6 |
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- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is 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 asset representing future economic benefit from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized, classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase (decrease) from measurement period adjustment of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is 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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