Segments - Schedule of Results of Operations by Reportable Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Total revenue	$ 873.6	$ 557.4
Interest expense	23.8	20.5
Depreciation and amortization	75.0	50.1
Net income (loss)	(24.0)	(35.4)
Operating Segments | Material Handling
Segment Reporting Information [Line Items]
Total revenue	433.6	312.3
Interest expense	5.7	4.6
Depreciation and amortization	24.0	17.0
Net income (loss)	10.3	11.6
Operating Segments | Construction Equipment
Segment Reporting Information [Line Items]
Total revenue	440.0	245.1
Interest expense	10.6	7.8
Depreciation and amortization	51.0	33.1
Net income (loss)	(19.9)	(6.1)
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Interest expense	7.5	8.1
Net income (loss)	(14.4)	(40.9)
New and Used Equipment Sales
Segment Reporting Information [Line Items]
Total revenue	410.3	244.6
New and Used Equipment Sales | Operating Segments | Material Handling
Segment Reporting Information [Line Items]
Total revenue	225.1	151.1
New and Used Equipment Sales | Operating Segments | Construction Equipment
Segment Reporting Information [Line Items]
Total revenue	185.2	93.5
Parts Sales
Segment Reporting Information [Line Items]
Total revenue	129.6	82.7
Parts Sales | Operating Segments | Material Handling
Segment Reporting Information [Line Items]
Total revenue	60.8	50.1
Parts Sales | Operating Segments | Construction Equipment
Segment Reporting Information [Line Items]
Total revenue	68.8	32.6
Service Revenue
Segment Reporting Information [Line Items]
Total revenue	128.5	92.7
Service Revenue | Operating Segments | Material Handling
Segment Reporting Information [Line Items]
Total revenue	83.9	66.8
Service Revenue | Operating Segments | Construction Equipment
Segment Reporting Information [Line Items]
Total revenue	44.6	25.9
Rental Revenue
Segment Reporting Information [Line Items]
Total revenue	118.8	95.2
Rental Revenue | Operating Segments | Material Handling
Segment Reporting Information [Line Items]
Total revenue	46.9	38.3
Rental Revenue | Operating Segments | Construction Equipment
Segment Reporting Information [Line Items]
Total revenue	71.9	56.9
Rental Equipment Sales
Segment Reporting Information [Line Items]
Total revenue	86.4	42.2
Rental Equipment Sales | Operating Segments | Material Handling
Segment Reporting Information [Line Items]
Total revenue	16.9	6.0
Rental Equipment Sales | Operating Segments | Construction Equipment
Segment Reporting Information [Line Items]
Total revenue	$ 69.5	$ 36.2