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Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill by segment | Goodwill by segment is as follows:
| December 31, 2025 |  | December 31, 2024
| (in millions)
Construction Products | $ | 848.8 |  |  | $ | 861.2 |
Engineered Structures | 480.2 |  |  | 480.1 |
Transportation Products | 19.9 |  |  | 19.9 |
| $ | 1,348.9 |  |  | $ | 1,361.2 |
Intangible assets, net | Intangibles, net consisted of the following:
|  |  |  | December 31, 2025 |  | December 31, 2024
|  |  |  | (in millions)
Intangibles with indefinite lives - Trademarks |  |  |  | $ | 43.8 |  |  | $ | 43.8 |
Intangibles with definite lives: |  |  |  |  |  |
Customer relationships |  |  |  | 167.1 |  | 169.1
Permits |  |  |  | 178.1 |  | 178.1
Other |  |  |  | 45.5 |  | 49.6
|  |  |  | 390.7 |  | 396.8
Less accumulated amortization |  |  |  | (123.7) |  | (102.3)
|  |  |  | 267.0 |  | 294.5
Intangible assets, net |  |  |  | $ | 310.8 |  |  | $ | 338.3 |
Expected future amortization expense of intangibles | Expected future amortization expense of intangibles as of December 31, 2025 is as follows:
| Amortization Expense
| (in millions)
2026 | $ | 22.9 |
2027 | 20.7 |
2028 | 20.7 |
2029 | 20.2 |
2030 | 18.6 |
Thereafter | 163.9 |

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