Revenue Recognition - Schedule Of Revenue By Major Source (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Net sales	$ 1,274.5	$ 1,095.5	$ 1,024.4
Corporate and Other
Disaggregation of Revenue [Line Items]
Net sales	4.4	0.0	0.0
United States
Disaggregation of Revenue [Line Items]
Net sales	1,014.3	842.1	817.0
United States | Corporate and Other
Disaggregation of Revenue [Line Items]
Net sales	2.3	0.0	0.0
United States | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	676.7	532.4	506.1
United States | Equipment sales | Corporate and Other
Disaggregation of Revenue [Line Items]
Net sales	2.1	0.0	0.0
United States | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	283.5	257.9	242.0
United States | Parts and component sales | Corporate and Other
Disaggregation of Revenue [Line Items]
Net sales	0.1	0.0	0.0
United States | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	22.2	17.5	22.2
United States | Service and equipment installation revenue | Corporate and Other
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.0
United States | Used equipment sales
Disaggregation of Revenue [Line Items]
Net sales	6.7	10.2	21.4
United States | Used equipment sales | Corporate and Other
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.0
United States | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	31.5	26.8	24.8
United States | Freight revenue | Corporate and Other
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.0
United States | Other
Disaggregation of Revenue [Line Items]
Net sales	(6.3)	(2.7)	0.5
United States | Other | Corporate and Other
Disaggregation of Revenue [Line Items]
Net sales	0.1	0.0	0.0
International
Disaggregation of Revenue [Line Items]
Net sales	260.2	253.4	207.4
International | Corporate and Other
Disaggregation of Revenue [Line Items]
Net sales	2.1	0.0	0.0
International | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	163.3	166.5	136.1
International | Equipment sales | Corporate and Other
Disaggregation of Revenue [Line Items]
Net sales	1.5	0.0	0.0
International | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	82.7	73.7	58.5
International | Parts and component sales | Corporate and Other
Disaggregation of Revenue [Line Items]
Net sales	0.1	0.0	0.0
International | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	7.4	5.0	4.1
International | Service and equipment installation revenue | Corporate and Other
Disaggregation of Revenue [Line Items]
Net sales	0.4	0.0	0.0
International | Used equipment sales
Disaggregation of Revenue [Line Items]
Net sales	2.7	3.4	4.6
International | Used equipment sales | Corporate and Other
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.0
International | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	3.7	4.2	3.6
International | Freight revenue | Corporate and Other
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.0
International | Other
Disaggregation of Revenue [Line Items]
Net sales	0.4	0.6	0.5
International | Other | Corporate and Other
Disaggregation of Revenue [Line Items]
Net sales	0.1	0.0	0.0
Infrastructure Solutions
Disaggregation of Revenue [Line Items]
Net sales	847.4	743.4	703.1
Infrastructure Solutions | United States
Disaggregation of Revenue [Line Items]
Net sales	705.1	601.7	588.7
Infrastructure Solutions | United States | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	454.9	374.8	354.1
Infrastructure Solutions | United States | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	198.3	180.2	172.8
Infrastructure Solutions | United States | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	21.5	17.0	21.0
Infrastructure Solutions | United States | Used equipment sales
Disaggregation of Revenue [Line Items]
Net sales	6.7	9.4	19.3
Infrastructure Solutions | United States | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	23.5	20.9	19.7
Infrastructure Solutions | United States | Other
Disaggregation of Revenue [Line Items]
Net sales	0.2	(0.6)	1.8
Infrastructure Solutions | International
Disaggregation of Revenue [Line Items]
Net sales	142.3	141.7	114.4
Infrastructure Solutions | International | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	92.8	94.5	78.3
Infrastructure Solutions | International | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	42.7	40.5	29.1
Infrastructure Solutions | International | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	3.9	3.1	2.4
Infrastructure Solutions | International | Used equipment sales
Disaggregation of Revenue [Line Items]
Net sales	0.5	0.9	2.4
Infrastructure Solutions | International | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	2.4	2.4	2.0
Infrastructure Solutions | International | Other
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.3	0.2
Materials Solutions
Disaggregation of Revenue [Line Items]
Net sales	422.7	352.1	321.3
Materials Solutions | United States
Disaggregation of Revenue [Line Items]
Net sales	306.9	240.4	228.3
Materials Solutions | United States | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	219.7	157.6	152.0
Materials Solutions | United States | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	85.1	77.7	69.2
Materials Solutions | United States | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	0.7	0.5	1.2
Materials Solutions | United States | Used equipment sales
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.8	2.1
Materials Solutions | United States | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	8.0	5.9	5.1
Materials Solutions | United States | Other
Disaggregation of Revenue [Line Items]
Net sales	(6.6)	(2.1)	(1.3)
Materials Solutions | International
Disaggregation of Revenue [Line Items]
Net sales	115.8	111.7	93.0
Materials Solutions | International | Equipment sales
Disaggregation of Revenue [Line Items]
Net sales	69.0	72.0	57.8
Materials Solutions | International | Parts and component sales
Disaggregation of Revenue [Line Items]
Net sales	39.9	33.2	29.4
Materials Solutions | International | Service and equipment installation revenue
Disaggregation of Revenue [Line Items]
Net sales	3.1	1.9	1.7
Materials Solutions | International | Used equipment sales
Disaggregation of Revenue [Line Items]
Net sales	2.2	2.5	2.2
Materials Solutions | International | Freight revenue
Disaggregation of Revenue [Line Items]
Net sales	1.3	1.8	1.6
Materials Solutions | International | Other
Disaggregation of Revenue [Line Items]
Net sales	$ 0.3	$ 0.3	$ 0.3