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ACQUISITIONS AND DISPOSITIONS - Inchcape Acquisition (Details) - Inchcape plc’s $ in Millions		2 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended
	Aug. 01, 2024 USD ($) center dealership	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Business Combination
Number of dealerships acquired | dealership	54
Number of collision centers | center	3
Aggregate consideration paid for dealerships	$ 517.0
Acquisition cost				$ 0.2	$ 15.4
Revenues		$ 333.8	$ 615.2	1,900.0
Net loss		$ (5.1)	$ 13.9	$ 14.9

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