SEGMENT INFORMATION (Tables)

6 Months Ended

Jun. 30, 2026

Segment Reporting [Abstract]

Schedule of Segment Reporting Information

Reportable segment financial information for the three and six months ended June 30, 2026 and 2025, are as follows:


			For the Three Months Ended June 30, 2026																		For the Three Months Ended June 30, 2025
			Dealerships						TCA						Total						Dealerships						TCA						Total
			(In millions)																		(In millions)
Revenue from external customers			$	4,302.4					$	82.2					$	4,384.6					$	4,293.6					$	79.5					$	4,373.1
Intersegment revenue
Finance and insurance			63.4						—						63.4						63.9						—						63.9
Parts and service			8.4						—						8.4						10.2						—						10.2
Total intersegment revenue			71.8						—						71.8						74.1						—						74.1
			$	4,374.2					$	82.2					$	4,456.4					$	4,367.8					$	79.5					$	4,447.3
Reconciliation of revenue
Elimination of intersegment revenue															(71.8)																		(74.1)
Total consolidated revenue															$	4,384.6																	$	4,373.1

Less:
Cost of sales
New vehicle			2,192.0						—												2,143.9						—
Used vehicle			1,166.6						—												1,216.8						—
Parts and service			268.8						—												256.9						—
Finance and insurance			—						59.2												—						59.3
Selling, general and administrative expenses
Personnel costs			315.7						—												318.8						—
Rent and related expenses			41.0						—												28.6						—
Advertising			16.2						—												17.1						—
Other selling, general and administrative expense			132.2						—												116.5						—
Other segment items			—						1.8												—						1.7
Depreciation and amortization			23.0						—												19.0						0.1
Floor plan interest expense			21.6						—												18.1						—
Segment operating income			$	196.9					$	21.1					$	218.1					$	232.1					$	18.5					$	250.6

Reconciliation of segment operating income
Intersegment eliminations
Total intersegment revenue eliminations															(71.8)																		(74.1)
Total intersegment cost of sales eliminations															55.2																		55.6
Deferral of SG&A expense (related to capitalized contract costs offset by amortization)															0.6																		7.2
Total intersegment eliminations															(16.0)																		(11.3)
Asset impairments															(4.2)																		—
Other interest expense, net															(46.5)																		(41.4)
Gain on dealership divestitures, net															—																		5.9
Income before income taxes															$	151.3																	$	203.8


			For the Six Months Ended June 30, 2026																		For the Six Months Ended June 30, 2025
			Dealerships						TCA						Total						Dealerships						TCA						Total
			(In millions)																		(In millions)
Revenue from external customers			$	8,334.2					$	163.4					$	8,497.6					$	8,358.0					$	163.6					$	8,521.6
Intersegment revenue
Finance and insurance			119.4						—						119.4						117.0						—						117.0
Parts and service			16.5						—						16.5						19.5						—						19.5
Total intersegment revenue			136.0						—						136.0						136.5						—						136.5
			$	8,470.1					$	163.4					$	8,633.6					$	8,494.5					$	163.6					$	8,658.1
Reconciliation of revenue
Elimination of intersegment revenue															(136.0)																		(136.5)
Total consolidated revenue															$	8,497.6																	$	8,521.6

Less:
Cost of sales
New vehicle			4,164.3						—												4,138.9						—
Used vehicle			2,306.7						—												2,388.1						—
Parts and service			538.6						—												511.2						—
Finance and insurance			—						117.3												—						120.3
Selling, general and administrative expenses
Personnel costs			633.9						—												627.8						—
Rent and related expenses			83.5						—												49.8						—
Advertising			34.2						—												32.3						—
Other selling, general and administrative expense			265.5						—												229.0						—
Other segment items			—						3.7												—						3.6
Depreciation and amortization			45.6						—												38.1						0.1
Floor plan interest expense			42.7						—												38.8						—
Segment operating income			$	355.1					$	42.4					$	397.5					$	440.5					$	39.6					$	480.1

Reconciliation of segment operating income
Intersegment eliminations
Total intersegment revenue eliminations															(136.0)																		(136.5)
Total intersegment cost of sales eliminations															109.3																		112.9
Deferral of SG&A expense (related to capitalized contract costs offset by amortization)															4.1																		10.7
Total intersegment eliminations															(22.6)																		(12.9)
Asset impairments															(4.2)																		(14.3)
Other interest expense, net															(94.6)																		(83.7)
Gain on dealership divestitures, net															125.8																		10.1
Income before income taxes															$	401.9																	$	379.2

Total assets by segment as of June 30, 2026 and December 31, 2025 are as follows:


			As of June 30, 2026
			Dealerships						TCA						Total Reportable Segments						Eliminations						Total Company
			(In millions)
Total assets			$	10,136.6					$	1,072.0					$	11,208.5					$	203.0					$	11,411.5


			As of December 31, 2025
			Dealerships						TCA						Total Reportable Segments						Eliminations						Total Company
			(In millions)
Total assets			$	10,389.5					$	1,024.3					$	11,413.8					$	204.4					$	11,618.2