Strategic Transformation, Restructuring and Other Asset Gains and Charges - Sale of Fixed Assets by Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Restructuring charges:
Total gain on sale of property and equipment, net	$ (0.2)	$ (0.1)	$ (1.1)	$ (3.5)
Operating Segments
Restructuring charges:
Total gain on sale of property and equipment, net	(0.2)	(0.1)	(1.1)	(3.5)
Corporate and Other
Restructuring charges:
Total gain on sale of property and equipment, net	0.0	(0.1)	0.0	(0.1)
Infrastructure Solutions | Operating Segments
Restructuring charges:
Total gain on sale of property and equipment, net	(0.2)	0.0	(0.3)	(3.4)
Materials Solutions
Restructuring charges:
Total gain on sale of property and equipment, net	$ 0.0	$ 0.0	$ (0.8)	$ 0.0