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DISCONTINUED OPERATIONS AND OTHER DIVESTITURES - Narrative (Details) R$ in Millions, $ in Millions				3 Months Ended		9 Months Ended
	Jul. 01, 2022 USD ($)	Jun. 30, 2022 USD ($)	Nov. 12, 2021 USD ($)	Sep. 30, 2022 USD ($) dealership	Dec. 31, 2021 USD ($)	Sep. 30, 2022 USD ($) dealership franchise	Sep. 30, 2021 USD ($) dealership franchise	Sep. 30, 2022 BRL (R$) dealership	Nov. 12, 2021 BRL (R$)
Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Dispositions reduced goodwill						$ 36.9	$ 2.2
Disposed of by Sale | Brazil
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Consideration for disposal				$ 4.1		4.1
Net loss				(3.7)	$ (77.5)	(10.0)
Amount of currency translation loss recorded in AOCI	$ 122.8					122.8
Foreign exchange risk exposure				70.0		70.0
Foreign currency transaction loss, settled		$ 8.4
Tax settlement				$ 4.5		4.5		R$ 23.0
Held-for-sale | Brazil
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
Held-for-sale | Brazil | 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
United States Segment | Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Net pre-tax gain (loss) on dealership dispositions						$ 31.3	$ 1.8
Number of franchises disposed | dealership						5	2
Number of franchises terminated | franchise						1
Number of dealerships | dealership				5		5	2	5
U.K. | Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Number of franchises terminated | franchise							1
Number of dealerships | dealership				1		1	1	1

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