Segment Reporting - Schedule of Capital Expenditures by Reportable Segment (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Property, Plant and Equipment [Line Items]
Capital expenditures	$ 8.7	$ 15.0
Unallocated corporate expenditures
Property, Plant and Equipment [Line Items]
Capital expenditures	0.0	0.3
Rocky Mountains | Operating Segments
Property, Plant and Equipment [Line Items]
Capital expenditures	1.7	1.5
Southwest | Operating Segments
Property, Plant and Equipment [Line Items]
Capital expenditures	1.8	6.1
Northeast /Mid-Con | Operating Segments
Property, Plant and Equipment [Line Items]
Capital expenditures	$ 5.2	$ 7.1