SEGMENT INFORMATION (Tables)

12 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

Reportable segment financial information for the years ended December 31, 2023 and 2022 is as follows:

	As of and for the year ended December 31, 2023
	Dealerships		TCA		Eliminations		Total Company
	(In millions)
Revenue	$	14,699.0	$	285.2	$	(181.5)	$	14,802.7
Gross profit	2,671.1		77.1		7.6		2,755.8
Depreciation and amortization	67.1		0.7		—		67.7
Selling, general and administrative expense	1,638.5		7.4		(28.5)		1,617.4
Interest expense
Floor plan interest expense	9.6		—		—		9.6
Other interest expense, net	156.1		—		—		156.1
Total interest expense	$	165.7	$	—	$	—	$	165.7
Capital expenditures	142.3		—		—		142.3
Total assets	$	9,199.4	$	913.9	$	46.1	$	10,159.4

	As of and for the year ended December 31, 2022
	Dealerships		TCA		Eliminations		Total Company
	(In millions)
Revenue	$	15,341.1	$	245.8	$	(153.0)	$	15,433.8
Gross profit	3,036.0		53.8		10.8		3,100.6
Depreciation and amortization	68.2		0.8		—		69.0
Selling, general and administrative expense	1,786.3		7.0		(30.0)		1,763.4
Interest expense
Floor plan interest expense	8.4		—		—		8.4
Other interest expense, net	152.2		—		—		152.2
Total interest expense	$	160.6	$	—	$	—	$	160.6
Capital expenditures	94.6		—		—		94.6
Total assets	$	7,170.8	$	869.2	$	(18.6)	$	8,021.4