Goodwill (Tables)

12 Months Ended

Dec. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill by Reporting Segment

(in millions)	Infrastructure Solutions		Materials Solutions		Total
Balance, December 31, 2023:
Goodwill	$	48.0	$	32.3	$	80.3
Accumulated impairment	(21.8)		(12.2)		(34.0)
Net	$	26.2	$	20.1	$	46.3
2024 Activity:
Foreign currency translation	$	(1.2)	$	0.1	$	(1.1)
Impairment	—		(20.2)		(20.2)
Total 2024 activity	$	(1.2)	$	(20.1)	$	(21.3)
Balance, December 31, 2024:
Goodwill	$	46.8	$	32.2	$	79.0
Accumulated impairment	(21.8)		(32.2)		(54.0)
Net	$	25.0	$	—	$	25.0
2025 Activity:
Foreign currency translation	$	0.7	$	(0.3)	$	0.4
Acquisitions	—		86.4		86.4
Total 2025 activity	$	0.7	$	86.1	$	86.8
Balance, December 31, 2025:
Goodwill	$	47.5	$	119.3	$	166.8
Accumulated impairment	(21.8)		(33.2)		(55.0)
Net	$	25.7	$	86.1	$	111.8