ACQUISITION - Allocation of Purchase Price (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Estimated fair value of liabilities assumed:
Goodwill	$ 0.8	$ 21.1	$ 234.8
Freedom Transaction
Estimated fair value of assets:
Cash	6.4
Contracts in transit	1.2
Accounts receivable	1.1
Inventory	24.8
Prepaid expenses	0.2
Property & equipment	50.2
Right-of-use assets	2.9
Other intangible assets	2.1
Franchise rights	39.7
Total assets acquired	128.6
Estimated fair value of liabilities assumed:
Accounts payable, accrued expenses and other current liabilities	5.4
Notes payable - floor plan	18.3
Lease liabilities	2.0
Deferred revenues	3.5
Mortgage notes	26.8
Notes payable	4.7
Total liabilities assumed	60.7
Total net assets acquired	67.9
Goodwill	29.3
Total purchase price consideration	$ 97.2