Segments - Schedule of Results of Operations by Reportable Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Revenues:
Total revenues	$ 481.2	$ 488.1	$ 904.2	$ 929.7
Cost of revenues:
Total cost of revenues	358.9	356.1	666.9	677.1
Other segment items	(1.5)	(2.0)	(1.9)	(3.0)
Segment adjusted EBITDA	48.5	50.3	82.1	84.4
Depreciation and amortization	34.6	38.0	67.0	72.0
Interest expense	22.3	19.2	44.2	35.3
Other	(3.6)	7.7	(4.1)	7.8
Loss before taxes	(4.8)	(14.6)	(25.0)	(30.7)
Total assets, end of period	1,436.0	1,591.3	1,436.0	1,591.3	$ 1,480.4
Capital expenditures	13.9	20.5	27.6	37.8
Material Handling
Cost of revenues:
Depreciation and amortization	10.5	10.4	21.1	20.1
Interest expense	6.4	5.9	12.7	11.0
Total assets, end of period	436.0	480.4	436.0	480.4
Capital expenditures	5.6	13.3	11.9	24.3
Construction Equipment
Cost of revenues:
Depreciation and amortization	22.9	26.2	43.5	49.1
Interest expense	12.8	11.8	25.6	21.6
Total assets, end of period	878.6	974.3	878.6	974.3
Capital expenditures	8.2	7.1	15.5	12.8
Master Distribution
Cost of revenues:
Depreciation and amortization	1.0	1.3	1.9	2.4
Interest expense	1.3	1.0	2.7	1.9
Total assets, end of period	85.6	94.5	85.6	94.5
Capital expenditures				0.2
Operating Segments | Material Handling
Revenues:
Total revenues	160.7	175.6	318.6	349.9
Cost of revenues:
Other segment items	(0.2)	0.7	0.4	1.5
Segment adjusted EBITDA	16.8	20.2	32.4	34.7
Operating Segments | Construction Equipment
Revenues:
Total revenues	300.7	294.9	546.5	550.5
Cost of revenues:
Other segment items	0.5	1.1	1.4	2.1
Segment adjusted EBITDA	31.7	31.2	48.7	52.5
Operating Segments | Master Distribution
Revenues:
Total revenues	20.9	16.7	38.3	29.5
Cost of revenues:
Other segment items	0.3	(0.4)	0.8	(1.3)
Segment adjusted EBITDA	1.1	1.7	2.6	2.6
Corporate, Non-Segment | Corporate and Other
Revenues:
Total revenues	(1.1)	0.9	0.8	(0.2)
Cost of revenues:
Other segment items	(2.1)	(3.4)	(4.5)	(5.3)
Segment adjusted EBITDA	(1.1)	(2.8)	(1.6)	(5.4)
Depreciation and amortization	0.2	0.1	0.5	0.4
Interest expense	1.8	0.5	3.2	0.8
Total assets, end of period	35.8	42.1	35.8	42.1
Capital expenditures	0.1	0.1	0.2	0.5
Selling, general and administrative expenses
Cost of revenues:
Total cost of revenues	102.3	114.5	209.0	229.1
Selling, general and administrative expenses | Operating Segments | Material Handling
Cost of revenues:
Total cost of revenues	44.0	46.6	90.5	95.5
Selling, general and administrative expenses | Operating Segments | Construction Equipment
Cost of revenues:
Total cost of revenues	52.4	57.7	107.0	114.9
Selling, general and administrative expenses | Operating Segments | Master Distribution
Cost of revenues:
Total cost of revenues	2.9	3.7	5.4	7.7
Selling, general and administrative expenses | Corporate, Non-Segment | Corporate and Other
Cost of revenues:
Total cost of revenues	3.0	6.5	6.1	11.0
New and Used Equipment Sales
Revenues:
Total revenues	265.6	251.5	487.3	480.1
Cost of revenues:
Total cost of revenues	228.5	211.9	416.6	404.3
New and Used Equipment Sales | Operating Segments | Material Handling
Revenues:
Total revenues	81.9	90.2	160.3	184.3
Cost of revenues:
Total cost of revenues	67.6	73.3	130.7	149.6
New and Used Equipment Sales | Operating Segments | Construction Equipment
Revenues:
Total revenues	167.0	145.5	293.7	271.6
Cost of revenues:
Total cost of revenues	147.4	126.7	259.7	236.7
New and Used Equipment Sales | Operating Segments | Master Distribution
Revenues:
Total revenues	17.6	14.4	32.4	23.5
Cost of revenues:
Total cost of revenues	14.2	10.8	25.2	17.6
New and Used Equipment Sales | Corporate, Non-Segment | Corporate and Other
Revenues:
Total revenues	(0.9)	1.4	0.9	0.7
Cost of revenues:
Total cost of revenues	(0.7)	1.1	1.0	0.4
Parts Sales
Revenues:
Total revenues	75.6	78.0	147.6	150.9
Cost of revenues:
Total cost of revenues	50.7	50.9	98.3	99.2
Parts Sales | Operating Segments | Material Handling
Revenues:
Total revenues	23.7	26.9	48.0	51.8
Cost of revenues:
Total cost of revenues	14.7	16.7	30.0	32.2
Parts Sales | Operating Segments | Construction Equipment
Revenues:
Total revenues	49.1	49.2	94.4	95.1
Cost of revenues:
Total cost of revenues	34.0	33.5	64.9	65.2
Parts Sales | Operating Segments | Master Distribution
Revenues:
Total revenues	3.0	2.4	5.4	4.9
Cost of revenues:
Total cost of revenues	2.2	1.2	3.6	2.7
Parts Sales | Corporate, Non-Segment | Corporate and Other
Revenues:
Total revenues	(0.2)	(0.5)		(0.9)
Cost of revenues:
Total cost of revenues	(0.2)	(0.5)	(0.2)	(0.9)
Service Revenues
Revenues:
Total revenues	64.9	66.2	131.0	130.2
Cost of revenues:
Total cost of revenues	26.1	26.9	52.5	53.9
Service Revenues | Operating Segments | Material Handling
Revenues:
Total revenues	33.3	35.7	67.4	69.5
Cost of revenues:
Total cost of revenues	14.0	14.3	27.3	28.4
Service Revenues | Operating Segments | Construction Equipment
Revenues:
Total revenues	31.3	30.3	63.1	60.4
Cost of revenues:
Total cost of revenues	11.9	12.4	24.5	25.2
Service Revenues | Operating Segments | Master Distribution
Revenues:
Total revenues	0.3	0.2	0.5	0.3
Cost of revenues:
Total cost of revenues	0.2	0.2	0.7	0.3
Service Revenues | Corporate, Non-Segment | Master Distribution
Revenues:
Total revenues			(0.2)
Rental Revenues
Revenues:
Total revenues	46.3	53.7	88.6	102.2
Cost of revenues:
Total cost of revenues	5.2	6.2	10.2	12.9
Rental Revenues | Operating Segments | Material Handling
Revenues:
Total revenues	17.5	20.0	35.1	39.0
Cost of revenues:
Total cost of revenues	1.3	2.0	2.3	4.7
Rental Revenues | Operating Segments | Construction Equipment
Revenues:
Total revenues	28.8	33.3	53.4	62.4
Cost of revenues:
Total cost of revenues	3.9	4.3	7.9	8.3
Rental Revenues | Operating Segments | Master Distribution
Revenues:
Total revenues		0.4		0.8
Cost of revenues:
Total cost of revenues		(0.1)		(0.1)
Rental Revenues | Corporate, Non-Segment | Corporate and Other
Revenues:
Total revenues			0.1
Rental Equipment Sales
Revenues:
Total revenues	28.8	38.7	49.7	66.3
Cost of revenues:
Total cost of revenues	21.4	29.4	37.4	48.9
Rental Equipment Sales | Operating Segments | Material Handling
Revenues:
Total revenues	4.3	2.8	7.8	5.3
Cost of revenues:
Total cost of revenues	2.5	1.8	5.0	3.3
Rental Equipment Sales | Operating Segments | Construction Equipment
Revenues:
Total revenues	24.5	36.6	41.9	61.0
Cost of revenues:
Total cost of revenues	$ 18.9	28.0	$ 32.4	$ 45.6
Rental Equipment Sales | Operating Segments | Master Distribution
Revenues:
Total revenues		(0.7)
Cost of revenues:
Total cost of revenues		$ (0.4)