ASSETS HELD FOR SALE - Assets Held for Sale and Liabilities Associated with the Assets (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Assets:
Inventory	$ 83.3	$ 84.5
Loaners, net	2.3	4.5
Property and equipment, net	123.7	136.6
Operating lease right-of-use assets	2.1	2.1
Goodwill	0.3	26.1
Franchise rights	31.0	88.5
Total assets held for sale	242.7	342.2
Liabilities:
Current maturities of operating leases	0.2	0.2
Operating lease liabilities	1.9	1.9
Total liabilities associated with assets held for sale	2.1	2.1
Net assets held for sale	$ 240.7	$ 340.1