v3.25.4

Goodwill and Other Identifiable Intangible Assets | 12 Months Ended
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Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Other Identifiable Intangible Assets | Goodwill and Other Identifiable Intangible Assets The changes in the carrying amount of goodwill by reporting unit were as follows:
In millions | December 31, 2024 | Acquisitions/ divestitures |  |  | Foreign currency translation/other | December 31, 2025
Systems Protection | $ | 790.1 |  | $ | 398.0 |  |  |  | $ | 14.3 |  | $ | 1,202.4 |
Electrical Connections | 1,431.7 |  | 43.9 |  |  |  | — |  | 1,475.6 |
Total goodwill | $ | 2,221.8 |  | $ | 441.9 |  |  |  | $ | 14.3 |  | $ | 2,678.0 |
In millions | December 31, 2023 | Acquisitions/ divestitures |  | Foreign currency translation/other | December 31, 2024
Systems Protection | $ | 430.4 |  | $ | 365.9 |  |  | $ | (6.2) |  | $ | 790.1 |
Electrical Connections | 1,427.7 |  | 4.0 |  |  | — |  | 1,431.7 |
Total goodwill | $ | 1,858.1 |  | $ | 369.9 |  |  | $ | (6.2) |  | $ | 2,221.8 |
There was no impairment expense recorded in 2025, 2024 or 2023 related to goodwill. Identifiable intangible assets consisted of the following at December 31:
| 2025 |  | 2024
In millions | Cost | Accumulated amortization | Net |  | Cost | Accumulated amortization | Net
Definite-life intangibles |  |  |  |  |  |  |
Customer relationships | $ | 1,904.0 |  | $ | (551.5) |  | $ | 1,352.5 |  |  | $ | 1,571.7 |  | $ | (458.7) |  | $ | 1,113.0 |
Proprietary technologies and patents | 111.8 |  | (31.8) |  | 80.0 |  |  | 78.2 |  | (19.5) |  | 58.7 |
Other definite-life intangible assets | 139.5 |  | (63.1) |  | 76.4 |  |  | 63.7 |  | (18.9) |  | 44.8 |
Total definite-life intangibles | 2,155.3 |  | (646.4) |  | 1,508.9 |  |  | 1,713.6 |  | (497.1) |  | 1,216.5 |
Indefinite-life intangibles |  |  |  |  |  |  |
Trade names | 367.6 |  | — |  | 367.6 |  |  | 370.5 |  | — |  | 370.5 |
Total intangibles | $ | 2,522.9 |  | $ | (646.4) |  | $ | 1,876.5 |  |  | $ | 2,084.1 |  | $ | (497.1) |  | $ | 1,587.0 |
Identifiable intangible asset amortization expense in 2025, 2024 and 2023 was $147.1 million, $94.7 million and $69.5 million, respectively. There was no impairment expense recorded in 2025, 2024 or 2023 related to identifiable intangible assets. Estimated future amortization expense for identifiable intangible assets during the next five years is as follows:
In millions | 2026 | 2027 | 2028 | 2029 | 2030
Estimated amortization expense | $ | 153.9 |  | $ | 136.4 |  | $ | 111.0 |  | $ | 111.0 |  | $ | 107.9 |

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
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