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Goodwill and Other Intangible Assets
12 Months Ended
Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets Goodwill and Other Intangible Assets
Goodwill
Goodwill by segment is as follows:
December 31,
2025
December 31,
2024
 (in millions)
Construction Products$848.8 $861.2 
Engineered Structures480.2 480.1 
Transportation Products19.9 19.9 
$1,348.9 $1,361.2 
The decrease in Construction Products goodwill during the year ended December 31, 2025 is due to purchase price adjustments from the Stavola acquisition. See Note 2. "Acquisitions and Divestitures".
Intangible Assets
Intangibles, net consisted of the following:
December 31, 2025December 31, 2024
(in millions)
Intangibles with indefinite lives - Trademarks$43.8 $43.8 
Intangibles with definite lives:
Customer relationships167.1169.1
Permits178.1178.1
Other45.549.6
390.7396.8
Less accumulated amortization(123.7)(102.3)
267.0294.5
Intangible assets, net$310.8 $338.3 
Total amortization expense from intangible assets was $26.9 million, $26.3 million, and $20.9 million for the years ended December 31, 2025, 2024 and 2023, respectively. Expected future amortization expense of intangibles as of December 31, 2025 is as follows:
Amortization Expense
(in millions)
2026$22.9 
202720.7 
202820.7 
202920.2 
203018.6 
Thereafter163.9