Revenue Recognition - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 330.3	$ 345.5	$ 659.7	$ 654.7
United States
Disaggregation of Revenue [Line Items]
Net sales	262.0	272.1	535.8	515.3
United States | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	176.7	193.6	342.1	330.6
United States | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	72.2	67.6	160.7	157.9
United States | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	6.6	5.4	15.9	13.7
United States | Used equipment sales
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.1	2.3	0.1
United States | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	7.4	7.0	16.1	14.6
United States | Other
Disaggregation of Revenue [Line Items]
Net sales	(0.9)	(1.6)	(1.3)	(1.6)
Total foreign
Disaggregation of Revenue [Line Items]
Net sales	68.3	73.4	123.9	139.4
Total foreign | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	45.5	48.1	76.0	86.6
Total foreign | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	19.1	21.1	40.4	45.1
Total foreign | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	2.6	3.0	5.6	5.8
Total foreign | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	1.0	1.2	1.9	1.9
Total foreign | Other
Disaggregation of Revenue [Line Items]
Net sales	0.1	0.0	0.0	0.0
Infrastructure Solutions
Disaggregation of Revenue [Line Items]
Net sales	204.6	221.4	440.6	423.6
Infrastructure Solutions | United States
Disaggregation of Revenue [Line Items]
Net sales	186.5	207.2	408.2	393.1
Infrastructure Solutions | United States | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	120.9	148.9	254.2	249.3
Infrastructure Solutions | United States | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	52.7	47.2	121.6	118.0
Infrastructure Solutions | United States | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	6.4	5.2	15.5	13.4
Infrastructure Solutions | United States | Used equipment sales
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.1	2.1	0.1
Infrastructure Solutions | United States | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	5.9	5.3	13.4	11.0
Infrastructure Solutions | United States | Other
Disaggregation of Revenue [Line Items]
Net sales	0.6	0.5	1.4	1.3
Infrastructure Solutions | Total foreign
Disaggregation of Revenue [Line Items]
Net sales	18.1	14.2	32.4	30.5
Infrastructure Solutions | Total foreign | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	14.0	9.6	21.5	17.9
Infrastructure Solutions | Total foreign | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	3.4	4.1	9.6	11.7
Infrastructure Solutions | Total foreign | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	0.4	0.2	0.7	0.4
Infrastructure Solutions | Total foreign | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	0.2	0.3	0.5	0.5
Infrastructure Solutions | Total foreign | Other
Disaggregation of Revenue [Line Items]
Net sales	0.1	0.0	0.1	0.0
Materials Solutions
Disaggregation of Revenue [Line Items]
Net sales	125.7	124.1	219.1	231.1
Materials Solutions | United States
Disaggregation of Revenue [Line Items]
Net sales	75.5	64.9	127.6	122.2
Materials Solutions | United States | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	55.8	44.7	87.9	81.3
Materials Solutions | United States | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	19.5	20.4	39.1	39.9
Materials Solutions | United States | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	0.2	0.2	0.4	0.3
Materials Solutions | United States | Used equipment sales
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.2	0.0
Materials Solutions | United States | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	1.5	1.7	2.7	3.6
Materials Solutions | United States | Other
Disaggregation of Revenue [Line Items]
Net sales	(1.5)	(2.1)	(2.7)	(2.9)
Materials Solutions | Total foreign
Disaggregation of Revenue [Line Items]
Net sales	50.2	59.2	91.5	108.9
Materials Solutions | Total foreign | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	31.5	38.5	54.5	68.7
Materials Solutions | Total foreign | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	15.7	17.0	30.8	33.4
Materials Solutions | Total foreign | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	2.2	2.8	4.9	5.4
Materials Solutions | Total foreign | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	0.8	0.9	1.4	1.4
Materials Solutions | Total foreign | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 0.0	$ 0.0	$ (0.1)	$ 0.0