ASSETS HELD FOR SALE (Assets Held for Sale and Liabilities Associated with the Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Assets:
Inventories	$ 67.7	$ 0.0
Loaners, net	3.0	0.0
Property and equipment, net	69.0	26.3
Operating lease right-of-use assets	6.9	0.0
Goodwill	5.3	0.0
Franchise rights	2.3	0.0
Total Assets	154.2	26.3
Liabilities:
Floor plan notes payable—trade	21.9	0.0
Floor plan notes payable—non-trade	40.9	0.0
Loaners/ Notes payable	3.1	0.0
Current maturities of long-term debt	0.3	0.0
Current maturities of operating leases	4.2	0.0
Long-term debt	27.8	0.0
Operating lease liabilities	2.7	0.0
Total Liabilities associated with assets held for sale	100.9	0.0
Net assets held for sale	$ 53.3	$ 26.3