DISCONTINUED OPERATIONS AND OTHER DIVESTITURES - Narrative (Details) R$ in Millions, $ in Millions				3 Months Ended	12 Months Ended
	Jul. 01, 2022 USD ($)	Jun. 30, 2022 USD ($)	Nov. 12, 2021 USD ($)	Dec. 31, 2021 USD ($) dealership	Dec. 31, 2022 USD ($) franchise dealership	Dec. 31, 2021 USD ($) dealership	Dec. 31, 2020 USD ($) dealership	Jul. 02, 2022 USD ($)	Jul. 02, 2022 BRL (R$)	Nov. 12, 2021 BRL (R$)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration]					Net loss from discontinued operations
Dispositions reduced goodwill					$ 37.3	$ 4.1
U.S.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Dispositions reduced goodwill					37.3	4.1
U.K.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Dispositions reduced goodwill					0.0	0.0
Held-for-sale | U.S.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Number of dealerships | dealership							2
Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Dispositions reduced goodwill					37.3	$ 4.0
Disposed of by Sale | U.S.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Number of franchise within existing dealerships | dealership						1
Net pre-tax gain (loss) on dealership dispositions					$ 30.8	$ 4.4	$ 3.1
Number of dealerships | dealership				3	5	3
Number of franchises disposed | dealership					5	3	3
Disposed of by Sale | U.K.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Number of franchise within existing dealerships | dealership						1
Number of dealerships | dealership					1
Number of franchises terminated					1	1
Brazil | Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Consideration for disposal			$ 510.0							R$ 510.0
Holdback term (years)			5 years
Amount of currency translation loss recorded in AOCI					$ 122.8
Brazil | Held-for-sale | General Representations and Warranties
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Holdback portion of consideration | R$										R$ 115.0
Brazil | Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Consideration for disposal								$ 4.1
Net loss				$ (87.5)	(10.0)	$ (77.5)
Amount of currency translation loss recorded in AOCI	$ 122.8
Foreign exchange risk exposure					70.0
Foreign currency transaction loss, settled		$ 8.4
Tax settlement								$ 4.5	R$ 23.0
Brazil | Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Accrued expenses and other current liabilities				$ 8.7	$ 7.8	$ 8.7