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SEGMENT INFORMATION - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($) segment	Mar. 31, 2020 USD ($) segment
Segment Reporting Information
Number of reportable segments | segment	3	3
Gain (loss) on legal matters	$ 1.0
U.S.
Segment Reporting Information
Asset impairments	2.2
Net pre-tax gain (loss) on dealership dispositions	1.0
U.S. | Dealership
Segment Reporting Information
Net pre-tax gain (loss) on dealership dispositions	0.9
U.K.
Segment Reporting Information
Net pre-tax gain (loss) on dealership dispositions	$ 0.6
Brazil
Segment Reporting Information
Severance expense		$ 0.9

X

- Definition

Net Gain (Loss) on Real Estate and Dealership Transactions

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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