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Goodwill and Other Intangible Assets (Tables)

12 Months Ended

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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