Segment Information - Summary of Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Revenues from external customers	$ 350.0	$ 318.2	$ 697.9	$ 609.4
Infrastructure Solutions
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Revenues from external customers	218.1	209.6	448.0	407.1
Materials Solutions
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Revenues from external customers	130.2	107.4	244.1	201.1
Operating Segments
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Revenues from external customers	350.0	318.2	697.9	609.4
Segment Operating Adjusted EBITDA	32.7	13.1	68.5	31.9
Operating Segments | Infrastructure Solutions
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Revenues from external customers	218.1	209.6	448.0	407.1
Segment Operating Adjusted EBITDA	26.7	15.9	54.0	32.3
Operating Segments | Materials Solutions
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Revenues from external customers	130.2	107.4	244.1	201.1
Segment Operating Adjusted EBITDA	18.3	9.5	33.6	21.7
Intersegment Eliminations
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Revenues from external customers	17.2	16.0	31.4	26.8
Intersegment Eliminations | Infrastructure Solutions
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Revenues from external customers	3.2	4.0	3.9	5.1
Intersegment Eliminations | Materials Solutions
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Revenues from external customers	13.6	12.0	26.9	21.7
Corporate and Other
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Revenues from external customers	1.7	1.2	5.8	1.2
Segment Operating Adjusted EBITDA	(12.3)	(12.3)	(19.1)	(22.1)
Corporate And Reconciling Items
Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract]
Revenues from external customers	$ 0.4	$ 0.0	$ 0.6	$ 0.0