Revenue Recognition - Summary of Disaggregated Revenues (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Net revenue	$ 873.6	$ 557.4
Accounting Standards Update Topic 840
Revenues:
Net revenue	118.8	95.2
Topic 606
Revenues:
Net revenue	754.8	462.2
New and Used Equipment Sales
Revenues:
Net revenue	410.3	244.6
New and Used Equipment Sales | Topic 606
Revenues:
Net revenue	410.3	244.6
Parts Sales
Revenues:
Net revenue	129.6	82.7
Parts Sales | Topic 606
Revenues:
Net revenue	129.6	82.7
Service Revenue
Revenues:
Net revenue	128.5	92.7
Service Revenue | Topic 606
Revenues:
Net revenue	128.5	92.7
Rental Revenue
Revenues:
Net revenue	118.8	95.2
Rental Revenue | Accounting Standards Update Topic 840
Revenues:
Net revenue	118.8	95.2
Rental Equipment Sales
Revenues:
Net revenue	86.4	42.2
Rental Equipment Sales | Topic 606
Revenues:
Net revenue	$ 86.4	$ 42.2