REVENUE (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Total revenue	$ 1,366.4	$ 1,458.9
Goods and services transferred at a point in time
Disaggregation of Revenue [Line Items]
Total revenue	1,218.6	1,298.8
Good and services transferred over time
Disaggregation of Revenue [Line Items]
Total revenue	147.8	160.1
Powersports vehicles
Disaggregation of Revenue [Line Items]
Total revenue	951.4	1,033.9
New vehicles
Disaggregation of Revenue [Line Items]
Total revenue	658.5	641.0
Pre-owned vehicles
Disaggregation of Revenue [Line Items]
Total revenue	292.9	392.9
Parts, service and accessories
Disaggregation of Revenue [Line Items]
Total revenue	241.8	247.6
Vehicle transportation services
Disaggregation of Revenue [Line Items]
Total revenue	56.2	54.0
Finance and insurance, net
Disaggregation of Revenue [Line Items]
Total revenue	$ 117.0	$ 123.4