Revenue Recognition - Schedule Of Revenue By Major Source (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Net sales	$ 1,305.1	$ 1,338.2	$ 1,274.5
United States
Disaggregation of Revenue [Line Items]
Net sales	1,015.4	1,083.4	1,014.3
United States | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	661.2	713.7	676.7
United States | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	301.1	299.6	283.5
United States | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	24.3	44.3	22.2
United States | Used equipment sales
Disaggregation of Revenue [Line Items]
Net sales	3.4	3.6	6.7
United States | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	29.3	30.6	31.5
United States | Other
Disaggregation of Revenue [Line Items]
Net sales	(3.9)	(8.4)	(6.3)
International
Disaggregation of Revenue [Line Items]
Net sales	289.7	254.8	260.2
International | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	186.9	156.2	163.3
International | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	87.1	81.1	82.7
International | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	12.1	13.2	7.4
International | Used equipment sales
Disaggregation of Revenue [Line Items]
Net sales	0.4	0.2	2.7
International | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	3.4	3.8	3.7
International | Other
Disaggregation of Revenue [Line Items]
Net sales	(0.2)	0.3	0.4
Infrastructure Solutions
Disaggregation of Revenue [Line Items]
Net sales	837.4	800.4	764.2
Infrastructure Solutions | United States
Disaggregation of Revenue [Line Items]
Net sales	783.1	748.7	707.4
Infrastructure Solutions | United States | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	510.9	461.2	457.0
Infrastructure Solutions | United States | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	220.3	215.9	198.4
Infrastructure Solutions | United States | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	23.5	43.5	21.5
Infrastructure Solutions | United States | Used equipment sales
Disaggregation of Revenue [Line Items]
Net sales	3.4	3.6	6.7
Infrastructure Solutions | United States | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	22.7	22.6	23.5
Infrastructure Solutions | United States | Other
Disaggregation of Revenue [Line Items]
Net sales	2.3	1.9	0.3
Infrastructure Solutions | International
Disaggregation of Revenue [Line Items]
Net sales	54.3	51.7	56.8
Infrastructure Solutions | International | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	32.7	30.5	37.5
Infrastructure Solutions | International | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	19.7	18.7	16.5
Infrastructure Solutions | International | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	0.9	1.3	1.2
Infrastructure Solutions | International | Used equipment sales
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.3
Infrastructure Solutions | International | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	0.9	1.0	1.2
Infrastructure Solutions | International | Other
Disaggregation of Revenue [Line Items]
Net sales	0.1	0.2	0.1
Materials Solutions
Disaggregation of Revenue [Line Items]
Net sales	467.7	537.8	510.3
Materials Solutions | United States
Disaggregation of Revenue [Line Items]
Net sales	232.3	334.7	306.9
Materials Solutions | United States | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	150.3	252.5	219.7
Materials Solutions | United States | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	80.8	83.7	85.1
Materials Solutions | United States | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	0.8	0.8	0.7
Materials Solutions | United States | Used equipment sales
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.0
Materials Solutions | United States | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	6.6	8.0	8.0
Materials Solutions | United States | Other
Disaggregation of Revenue [Line Items]
Net sales	(6.2)	(10.3)	(6.6)
Materials Solutions | International
Disaggregation of Revenue [Line Items]
Net sales	235.4	203.1	203.4
Materials Solutions | International | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	154.2	125.7	125.8
Materials Solutions | International | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	67.4	62.4	66.2
Materials Solutions | International | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	11.2	11.9	6.2
Materials Solutions | International | Used equipment sales
Disaggregation of Revenue [Line Items]
Net sales	0.4	0.2	2.4
Materials Solutions | International | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	2.5	2.8	2.5
Materials Solutions | International | Other
Disaggregation of Revenue [Line Items]
Net sales	$ (0.3)	$ 0.1	$ 0.3