Revenue Recognition - Summary of Disaggregated Revenues (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues:
Net revenue	$ 192.1	$ 135.9	$ 372.6	$ 238.2
Accounting Standards Update Topic840
Revenues:
Net revenue	26.0	22.1	51.2	39.1
Topic 606
Revenues:
Net revenue	166.1	113.8	321.4	199.1
New and Used Equipment Sales
Revenues:
Net revenue	95.1	61.2	177.3	106.0
New and Used Equipment Sales | Topic 606
Revenues:
Net revenue	95.1	61.2	177.3	106.0
Parts Sales
Revenues:
Net revenue	28.1	20.6	56.8	37.1
Parts Sales | Topic 606
Revenues:
Net revenue	28.1	20.6	56.8	37.1
Service Revenue
Revenues:
Net revenue	28.4	22.7	58.6	39.9
Service Revenue | Topic 606
Revenues:
Net revenue	28.4	22.7	58.6	39.9
Rental Revenue
Revenues:
Net revenue	26.0	22.1	51.2	39.1
Rental Revenue | Accounting Standards Update Topic840
Revenues:
Net revenue	26.0	22.1	51.2	39.1
Rental Equipment Sales
Revenues:
Net revenue	14.5	9.3	28.7	16.1
Rental Equipment Sales | Topic 606
Revenues:
Net revenue	$ 14.5	$ 9.3	$ 28.7	$ 16.1