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v3.25.2

Goodwill and Other Intangible Assets (Tables) | 6 Months Ended
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Jun. 30, 2025
Goodwill and Other Intangible Assets |
Schedule of changes in the carrying amount of goodwill by segment | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Harsh |  | ​ | ​ | Interconnect |  | ​ | ​ |
​ | ​ | Environment | ​ | Communications | ​ | and Sensor | ​ | ​ | ​ |
​ | ​ | Solutions | ​ | Solutions | ​ | Systems | ​ | Total |
Goodwill at December 31, 2024 | ​ | $ | 3,180.0 | ​ | $ | 2,951.5 | ​ | $ | 2,104.7 | ​ | $ | 8,236.2 | ​
Acquisition-related | ​ |  | 346.9 | ​ |  | 891.5 | ​ |  | 0.3 | ​ |  | 1,238.7 | ​
Foreign currency translation | ​ |  | 40.2 | ​ |  | 32.2 | ​ |  | 104.0 | ​ |  | 176.4 | ​
Goodwill at June 30, 2025 | ​ | $ | 3,567.1 | ​ | $ | 3,875.2 | ​ | $ | 2,209.0 | ​ | $ | 9,651.3 | ​
Summary of the Company's amortizable intangible assets | Other than goodwill noted above, the Company’s intangible assets as of June 30, 2025 and December 31, 2024 were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | June 30, 2025 | ​ | December 31, 2024
​ | Weighted | ​ | Gross |  | ​ |  | Net |  | Gross |  | ​ |  | Net
​ | Average | ​ | Carrying | ​ | Accumulated | ​ | Carrying | ​ | Carrying | ​ | Accumulated | ​ | Carrying
​ | Life (years) | ​ | Amount | ​ | Amortization | ​ | Amount | ​ | Amount | ​ | Amortization | ​ | Amount
Customer relationships | 12 | ​ | $ | 1,553.1 | ​ | $ | 580.7 | ​ | $ | 972.4 | ​ | $ | 1,296.4 | ​ | $ | 519.8 | ​ | $ | 776.6
Proprietary technology | 14 | ​ |  | 931.9 | ​ |  | 198.3 | ​ | ​ | 733.6 | ​ |  | 350.3 | ​ |  | 170.9 | ​ | ​ | 179.4
Backlog and other | 1 | ​ |  | 178.8 | ​ |  | 164.5 | ​ | ​ | 14.3 | ​ |  | 154.1 | ​ |  | 154.1 | ​ | ​ | —
Total intangible assets (definite-lived) | 12 | ​ | ​ | 2,663.8 | ​ | ​ | 943.5 | ​ | ​ | 1,720.3 | ​ | ​ | 1,800.8 | ​ | ​ | 844.8 | ​ | ​ | 956.0
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Trade names (indefinite-lived) | ​ | ​ | ​ | 269.1 | ​ | ​ | ​ | ​ | ​ | 269.1 | ​ | ​ | 269.1 | ​ | ​ | ​ | ​ | ​ | 269.1
Total | ​ | ​ | $ | 2,932.9 | ​ | $ | 943.5 | ​ | $ | 1,989.4 | ​ | $ | 2,069.9 | ​ | $ | 844.8 | ​ | $ | 1,225.1
Summary of the Company's indefinite-lived intangible assets | Other than goodwill noted above, the Company’s intangible assets as of June 30, 2025 and December 31, 2024 were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | June 30, 2025 | ​ | December 31, 2024
​ | Weighted | ​ | Gross |  | ​ |  | Net |  | Gross |  | ​ |  | Net
​ | Average | ​ | Carrying | ​ | Accumulated | ​ | Carrying | ​ | Carrying | ​ | Accumulated | ​ | Carrying
​ | Life (years) | ​ | Amount | ​ | Amortization | ​ | Amount | ​ | Amount | ​ | Amortization | ​ | Amount
Customer relationships | 12 | ​ | $ | 1,553.1 | ​ | $ | 580.7 | ​ | $ | 972.4 | ​ | $ | 1,296.4 | ​ | $ | 519.8 | ​ | $ | 776.6
Proprietary technology | 14 | ​ |  | 931.9 | ​ |  | 198.3 | ​ | ​ | 733.6 | ​ |  | 350.3 | ​ |  | 170.9 | ​ | ​ | 179.4
Backlog and other | 1 | ​ |  | 178.8 | ​ |  | 164.5 | ​ | ​ | 14.3 | ​ |  | 154.1 | ​ |  | 154.1 | ​ | ​ | —
Total intangible assets (definite-lived) | 12 | ​ | ​ | 2,663.8 | ​ | ​ | 943.5 | ​ | ​ | 1,720.3 | ​ | ​ | 1,800.8 | ​ | ​ | 844.8 | ​ | ​ | 956.0
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Trade names (indefinite-lived) | ​ | ​ | ​ | 269.1 | ​ | ​ | ​ | ​ | ​ | 269.1 | ​ | ​ | 269.1 | ​ | ​ | ​ | ​ | ​ | 269.1
Total | ​ | ​ | $ | 2,932.9 | ​ | $ | 943.5 | ​ | $ | 1,989.4 | ​ | $ | 2,069.9 | ​ | $ | 844.8 | ​ | $ | 1,225.1

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