Segments - Schedule of Results of Operations by Reportable Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Total revenues	$ 405.0	$ 295.0	$ 1,143.2	$ 856.5
Interest expense	8.5	6.1	21.4	17.9
Depreciation and amortization	29.6	24.9	81.1	70.2
Net income (loss)	4.4	(0.6)	7.8	(22.1)
Income (loss) before taxes	5.4	0.1	10.8	(19.8)
Operating Segments | Material Handling Segment
Segment Reporting Information [Line Items]
Total revenues	155.3	110.3	416.4	328.7
Interest expense	3.1	2.0	8.0	6.2
Depreciation and amortization	7.2	4.9	18.6	14.1
Income (loss) before taxes	4.6	3.4	13.5	6.6
Operating Segments | Construction Equipment Segment
Segment Reporting Information [Line Items]
Total revenues	249.7	184.7	726.8	527.8
Interest expense	4.8	3.5	12.1	10.3
Depreciation and amortization	22.4	20.0	62.5	56.1
Income (loss) before taxes	5.7	(0.3)	9.9	(5.3)
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Interest expense	0.6	0.6	1.3	1.4
Income (loss) before taxes	(4.9)	(3.0)	(12.6)	(21.1)
New and Used Equipment Sales
Segment Reporting Information [Line Items]
Total revenues	210.1	136.8	579.0	392.6
New and Used Equipment Sales | Operating Segments | Material Handling Segment
Segment Reporting Information [Line Items]
Total revenues	83.7	57.2	222.7	174.7
New and Used Equipment Sales | Operating Segments | Construction Equipment Segment
Segment Reporting Information [Line Items]
Total revenues	126.4	79.6	356.3	217.9
Parts Sales
Segment Reporting Information [Line Items]
Total revenues	61.8	44.8	173.5	130.3
Parts Sales | Operating Segments | Material Handling Segment
Segment Reporting Information [Line Items]
Total revenues	22.3	16.8	61.6	47.7
Parts Sales | Operating Segments | Construction Equipment Segment
Segment Reporting Information [Line Items]
Total revenues	39.5	28.0	111.9	82.6
Service Revenue
Segment Reporting Information [Line Items]
Total revenues	54.3	41.9	154.2	123.0
Service Revenue | Operating Segments | Material Handling Segment
Segment Reporting Information [Line Items]
Total revenues	29.6	23.7	83.2	70.4
Service Revenue | Operating Segments | Construction Equipment Segment
Segment Reporting Information [Line Items]
Total revenues	24.7	18.2	71.0	52.6
Rental Revenue
Segment Reporting Information [Line Items]
Total revenues	50.2	41.7	131.5	113.0
Rental Revenue | Operating Segments | Material Handling Segment
Segment Reporting Information [Line Items]
Total revenues	17.7	12.6	44.7	35.1
Rental Revenue | Operating Segments | Construction Equipment Segment
Segment Reporting Information [Line Items]
Total revenues	32.5	29.1	86.8	77.9
Rental Equipment Sales
Segment Reporting Information [Line Items]
Total revenues	28.6	29.8	105.0	97.6
Rental Equipment Sales | Operating Segments | Material Handling Segment
Segment Reporting Information [Line Items]
Total revenues	2.0		4.2	0.8
Rental Equipment Sales | Operating Segments | Construction Equipment Segment
Segment Reporting Information [Line Items]
Total revenues	$ 26.6	$ 29.8	$ 100.8	$ 96.8