DISCONTINUED OPERATIONS AND OTHER DIVESTITURES - Brazil Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
NET (LOSS) INCOME — DISCONTINUED OPERATIONS	$ (0.3)	$ 1.8
Brazil \| Disposed of by Sale
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
REVENUE	0.0
COST OF SALES	0.0
GROSS PROFIT	0.0
Selling, general and administrative expenses	0.8
Depreciation and amortization expense	0.0
(LOSS) INCOME FROM OPERATIONS — DISCONTINUED OPERATIONS	(0.8)
Floorplan interest expense	0.0
Other interest income, net	(0.7)
(LOSS) INCOME BEFORE INCOME TAXES — DISCONTINUED OPERATIONS	(0.1)
Provision for income taxes	0.2
NET (LOSS) INCOME — DISCONTINUED OPERATIONS	(0.3)
Brazil \| Disposed of by Sale \| New vehicle retail sales
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
REVENUE	0.0
COST OF SALES	0.0
Brazil \| Disposed of by Sale \| Used vehicle retail sales
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
REVENUE	0.0
COST OF SALES	0.0
Brazil \| Disposed of by Sale \| Used vehicle wholesale sales
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
REVENUE	0.0
COST OF SALES	0.0
Brazil \| Disposed of by Sale \| Parts and service sales
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
REVENUE	0.0
COST OF SALES	0.0
Brazil \| Disposed of by Sale \| Finance, insurance and other, net
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
REVENUE	$ 0.0
Brazil \| Held-for-sale
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
REVENUE		88.3
COST OF SALES		76.1
GROSS PROFIT		12.3
Selling, general and administrative expenses		8.7
Depreciation and amortization expense		0.4
(LOSS) INCOME FROM OPERATIONS — DISCONTINUED OPERATIONS		3.1
Floorplan interest expense		0.7
Other interest income, net		(0.1)
(LOSS) INCOME BEFORE INCOME TAXES — DISCONTINUED OPERATIONS		2.5
Provision for income taxes		0.7
NET (LOSS) INCOME — DISCONTINUED OPERATIONS		1.8
Brazil \| Held-for-sale \| New vehicle retail sales
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
REVENUE		48.6
COST OF SALES		43.8
Brazil \| Held-for-sale \| Used vehicle retail sales
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
REVENUE		22.2
COST OF SALES		20.6
Brazil \| Held-for-sale \| Used vehicle wholesale sales
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
REVENUE		5.3
COST OF SALES		5.3
Brazil \| Held-for-sale \| Parts and service sales
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
REVENUE		10.7
COST OF SALES		6.3
Brazil \| Held-for-sale \| Finance, insurance and other, net
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
REVENUE		$ 1.5

Disposal Group, Including Discontinued Operation, Other Interest Income

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Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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Amount of depreciation and amortization expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of interest expense attributable to disposal group, including, but not limited to, discontinued operation.

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