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DISCONTINUED OPERATIONS AND OTHER DIVESTITURES - Narrative (Details) R$ in Millions, $ in Millions				1 Months Ended	12 Months Ended
	Jul. 01, 2022 USD ($)	Jun. 30, 2022 USD ($)	Nov. 12, 2021 BRL (R$)	Feb. 14, 2024 dealership	Dec. 31, 2023 USD ($) franchise dealership	Dec. 31, 2022 USD ($) dealership franchise	Dec. 31, 2021 USD ($) dealership	Jul. 02, 2022 USD ($)	Jul. 02, 2022 BRL (R$)
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					$ 52.9	$ 37.3
U.S.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Dispositions reduced goodwill					52.9	37.3
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
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Goodwill					39.8	13.4
Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Dispositions reduced goodwill					52.9	37.3	$ 4.0
Disposed of by Sale | U.S.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Net pre-tax gain (loss) on dealership dispositions					$ 16.3	$ 30.8	$ 4.4
Number of dealerships | dealership					11	5	3
Number of franchises disposed | dealership					15	5	3
Number of franchises terminated					2		1
Number of franchise within existing dealerships | dealership							1
Disposed of by Sale | U.S. | Subsequent Event
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Number of franchises disposed | dealership				10
Disposed of by Sale | U.K.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Number of dealerships | dealership						1
Number of franchises terminated						1	1
Number of franchise within existing dealerships | dealership							1
Brazil | Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Consideration for disposal | R$			R$ 510.0
Holdback term (years)			5 years
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					$ 122.8
Foreign exchange risk exposure								70.0
Foreign currency transaction loss, settled		$ 8.4
Tax settlement								$ 4.5	R$ 23.0
Tax settlement term (years)						1 year
Brazil | Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Other long-term assets					$ 21.1	$ 22.8
Accrued expenses and other current liabilities					$ 4.3	$ 7.8

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