Revenue Recognition - Summary of Disaggregated Revenues (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues:
Total revenues	$ 406.5	$ 292.7	$ 738.2	$ 561.5
Topic 842
Revenues:
Total revenues	43.6	38.2	81.3	71.3
Topic 606
Revenues:
Total revenues	362.9	254.5	656.9	490.2
New and Used Equipment Sales
Revenues:
Total revenues	217.3	132.0	368.9	255.8
New and Used Equipment Sales | Topic 606
Revenues:
Total revenues	217.3	132.0	368.9	255.8
Parts Sales
Revenues:
Total revenues	58.3	44.1	111.7	85.5
Parts Sales | Topic 606
Revenues:
Total revenues	58.3	44.1	111.7	85.5
Service Revenue
Revenues:
Total revenues	51.7	42.4	99.9	81.1
Service Revenue | Topic 606
Revenues:
Total revenues	51.7	42.4	99.9	81.1
Rental Revenue
Revenues:
Total revenues	43.6	38.2	81.3	71.3
Rental Revenue | Topic 842
Revenues:
Total revenues	43.6	38.2	81.3	71.3
Rental Equipment Sales
Revenues:
Total revenues	35.6	36.0	76.4	67.8
Rental Equipment Sales | Topic 606
Revenues:
Total revenues	$ 35.6	$ 36.0	$ 76.4	$ 67.8