Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Summary of Reportable Operating Segment (Details)

v3.24.3
Segment Information - Summary of Reportable Operating Segment (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Dec. 31, 2023
Dec. 31, 2022
Revenues:            
Total consolidated revenues $ 3,491,500,000 $ 3,643,500,000 $ 10,328,500,000 $ 10,787,600,000    
Segment income (loss):            
Segment income (loss) 113,600,000 137,400,000 328,000,000.0 322,100,000    
Interest expense, other, net (29,800,000) (29,000,000.0) (88,100,000) (86,200,000)    
Other income (expense), net 0 200,000 (500,000) 300,000    
Income (loss) from continuing operations before taxes 60,800,000 91,200,000 174,000,000.0 187,300,000    
Impairment charges 0 0 2,400,000 (62,600,000)    
Excluded non-recurring compensation-related charges 1,800,000     5,100,000    
FloorPlanDepositBalance 400,000,000.0   400,000,000.0   $ 345,000,000.0  
Excluded storm-related physical damage and legal costs 1,500,000   5,100,000 1,900,000    
Impairment of Long-Lived Assets to be Disposed of       32,500,000    
Depreciation, Depletion and Amortization 37,900,000 35,200,000 111,100,000 105,700,000    
FloorPlanInterestExpense 23,000,000.0 17,400,000 65,400,000 48,900,000    
Interest Expense, Other 29,800,000 29,000,000.0 88,100,000 86,200,000    
Payments to Acquire Property, Plant, and Equipment 53,300,000 78,100,000 145,900,000 153,600,000    
Cash and cash equivalents 17,600,000 34,600,000 17,600,000 34,600,000 28,900,000 $ 229,200,000
Assets 5,758,200,000   5,758,200,000   5,364,600,000  
Gain on Franchise Disposal (2,300,000)     (20,900,000)    
Powersports Used Vehicle Revenue 9,000,000.0 4,900,000 17,600,000 17,100,000    
Powersports Wholesale Vehicle Revenue 1,100,000 1,300,000 2,300,000 1,900,000    
Powersports Fixed Ops Revenue 20,100,000 21,600,000 36,600,000 38,600,000    
Powersports F&I Revenue 2,300,000 2,400,000 5,800,000 5,900,000    
Powersports Segment Revenue 59,400,000 57,000,000.0 126,700,000 136,000,000.0    
Excluded non-recurring compensation-related charges 1,800,000     5,100,000    
Franchised Dealerships Segment            
Revenues:            
Total consolidated revenues 2,887,200,000 2,959,800,000 8,580,200,000 8,773,800,000    
Segment income (loss):            
Interest expense, other, net (28,500,000) (27,900,000) (84,100,000) (82,200,000)    
Impairment charges 0 0 (1,000,000.0) 0    
Depreciation, Depletion and Amortization 31,500,000 28,200,000 91,600,000 82,800,000    
FloorPlanInterestExpense 18,700,000 12,900,000 52,500,000 34,700,000    
Interest Expense, Other 28,500,000 27,900,000 84,100,000 82,200,000    
Payments to Acquire Property, Plant, and Equipment 50,300,000 72,100,000 141,400,000 137,300,000    
Assets 4,550,300,000   4,550,300,000   4,110,800,000  
EchoPark Segment            
Revenues:            
Total consolidated revenues 544,900,000 626,700,000 1,621,600,000 1,877,800,000    
Segment income (loss):            
Interest expense, other, net (700,000) (700,000) (2,000,000.0) (2,500,000)    
Closed Store Accrued Expenses     2,100,000      
Impairment charges 0 0 (1,400,000) (62,600,000)    
Excluded non-recurring compensation-related charges   900,000 2,900,000      
Depreciation, Depletion and Amortization 5,400,000 6,100,000 16,400,000 20,400,000    
FloorPlanInterestExpense 3,700,000 4,300,000 11,300,000 13,600,000    
Interest Expense, Other 700,000 700,000 2,000,000.0 2,500,000    
Payments to Acquire Property, Plant, and Equipment 200,000 5,400,000 800,000 14,100,000    
Assets 567,400,000   567,400,000   667,900,000  
Gain on Franchise Disposal     (2,900,000)      
Excluded non-recurring compensation-related charges   900,000 2,900,000      
FranchisedDealershipsMember            
Segment income (loss):            
Impairment charges     (1,000,000.0)      
Excluded non-recurring compensation-related charges     2,200,000      
Excluded non-recurring compensation-related charges     2,200,000      
Powersports Segment            
Segment income (loss):            
Interest expense, other, net (600,000) (400,000) (1,900,000) (1,500,000)    
Impairment charges 0 0 0 0    
Depreciation, Depletion and Amortization 1,100,000 900,000 3,100,000 2,500,000    
FloorPlanInterestExpense 700,000 200,000 1,600,000 600,000    
Interest Expense, Other 600,000 400,000 1,900,000 1,500,000    
Payments to Acquire Property, Plant, and Equipment 2,800,000 600,000 3,700,000 2,200,000    
Assets 222,900,000   222,900,000   $ 212,000,000.0  
Operating segments            
Segment income (loss):            
Segment income (loss) 60,800,000 91,200,000 176,400,000 249,900,000    
Operating segments | Franchised Dealerships Segment            
Segment income (loss):            
Segment income (loss) 51,600,000 101,500,000 168,000,000.0 357,200,000    
Operating segments | EchoPark Segment            
Segment income (loss):            
Segment income (loss) 5,200,000 (16,900,000) 6,100,000 (116,500,000)    
Operating segments | Powersports Segment            
Segment income (loss):            
Segment income (loss) 4,000,000.0 6,600,000 2,300,000 9,200,000    
Reconciling items            
Segment income (loss):            
Interest expense, other, net     (2,400,000) (62,600,000)    
Other income (expense), net 60,800,000 91,200,000 174,000,000.0 187,300,000    
Impairment charges 0 0        
Interest Expense, Other     2,400,000 62,600,000    
New vehicles            
Revenues:            
Total consolidated revenues 1,589,000,000 1,596,700,000 4,643,200,000 4,694,800,000    
New vehicles | Franchised Dealerships Segment            
Revenues:            
Total consolidated revenues 1,562,100,000 1,569,900,000 4,578,800,000 4,621,300,000    
Used vehicles            
Revenues:            
Total consolidated revenues 1,180,700,000 1,340,400,000 3,582,500,000 3,991,200,000    
Used vehicles | Franchised Dealerships Segment            
Revenues:            
Total consolidated revenues 701,400,000 780,700,000 2,162,800,000 2,322,800,000    
Used vehicles | EchoPark Segment            
Revenues:            
Total consolidated revenues 470,300,000 554,800,000 1,402,000,000 1,651,300,000    
Wholesale vehicles            
Revenues:            
Total consolidated revenues 67,200,000 79,300,000 215,800,000 256,300,000    
Wholesale vehicles | Franchised Dealerships Segment            
Revenues:            
Total consolidated revenues 42,400,000 51,400,000 139,100,000 165,300,000    
Wholesale vehicles | EchoPark Segment            
Revenues:            
Total consolidated revenues 23,800,000 26,600,000 74,400,000 89,100,000    
Parts, service and collision repair            
Revenues:            
Total consolidated revenues 479,000,000.0 453,400,000 1,369,800,000 1,327,600,000    
Parts, service and collision repair | Franchised Dealerships Segment            
Revenues:            
Total consolidated revenues 458,900,000 431,800,000 1,333,200,000 1,289,000,000    
Finance, insurance and other, net            
Revenues:            
Total consolidated revenues 175,600,000 173,700,000 517,200,000 517,700,000    
Finance, insurance and other, net | Franchised Dealerships Segment            
Revenues:            
Total consolidated revenues 122,400,000 126,000,000.0 366,300,000 375,400,000    
Finance, insurance and other, net | EchoPark Segment            
Revenues:            
Total consolidated revenues 50,800,000 45,300,000 145,200,000 136,400,000    
NewVehiclesMember | EchoPark Segment            
Revenues:            
Total consolidated revenues 0 0 0 1,000,000.0    
Retail New Vehicles [Member]            
Revenues:            
Total consolidated revenues 1,566,800,000 1,573,500,000 4,575,200,000 4,624,400,000    
Retail New Vehicles [Member] | Franchised Dealerships Segment            
Revenues:            
Total consolidated revenues 1,539,900,000 1,546,700,000 4,510,800,000 4,550,900,000    
Fleet New Vehicles [Member]            
Revenues:            
Total consolidated revenues 22,200,000 23,200,000 68,000,000.0 70,400,000    
Fleet New Vehicles [Member] | Franchised Dealerships Segment            
Revenues:            
Total consolidated revenues 22,200,000 23,200,000 68,000,000.0 70,400,000    
Retail New Vehcile            
Revenues:            
Powersports New Vehicle Revenue $ 26,900,000 $ 26,800,000 64,400,000 $ 72,500,000    
CDK Outage Impact [Member] | EchoPark Segment            
Segment income (loss):            
Excluded non-recurring compensation-related charges     400,000      
Excluded non-recurring compensation-related charges     400,000      
CDK Outage Impact [Member] | FranchisedDealershipsMember            
Segment income (loss):            
Excluded non-recurring compensation-related charges     13,000,000.0      
Excluded non-recurring compensation-related charges     $ 13,000,000.0