Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Summary of Reportable Operating Segment (Details)

v3.23.1
Segment Information - Summary of Reportable Operating Segment (Details) - USD ($)
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Revenues:        
Total consolidated revenues $ 3,491,200,000 $ 3,456,200,000    
Segment income (loss):        
Segment income (loss) 106,400,000 154,400,000    
Interest expense, other, net (28,400,000) (20,800,000)    
Other income (expense), net 200,000 300,000    
Income (loss) from continuing operations before taxes 63,600,000 128,900,000    
Impairment of Long-Lived Assets to be Disposed of 0      
Depreciation, Depletion and Amortization 34,300,000 29,900,000    
FloorPlanInterestExpense 14,600,000 5,000,000.0    
Interest Expense, Other 28,400,000 20,800,000    
Payments to Acquire Property, Plant, and Equipment 37,200,000 58,800,000    
Cash and cash equivalents 160,200,000 360,200,000 $ 229,200,000 $ 299,400,000
Assets 5,148,000,000   4,978,300,000  
Powersports Used Vehicle Revenue 4,800,000 1,100,000    
Powersports Wholesale Vehicle Revenue 200,000 0    
Powersports Fixed Ops Revenue 6,700,000 700,000    
Powersports F&I Revenue 1,500,000 200,000    
Powersports Segment Revenue 34,000,000.0 3,200,000    
Franchised Dealerships Segment        
Revenues:        
Total consolidated revenues 2,806,700,000 2,830,900,000    
Segment income (loss):        
Interest expense, other, net (26,900,000) (20,000,000.0)    
Depreciation, Depletion and Amortization 26,500,000 24,900,000    
FloorPlanInterestExpense 9,900,000 3,300,000    
Interest Expense, Other 26,900,000 20,000,000.0    
Payments to Acquire Property, Plant, and Equipment 31,000,000.0 30,200,000    
Assets 4,468,900,000   4,363,700,000  
EchoPark Segment        
Revenues:        
Total consolidated revenues 650,500,000 622,100,000    
Segment income (loss):        
Interest expense, other, net (900,000) (800,000)    
Depreciation, Depletion and Amortization 7,000,000.0 5,000,000.0    
FloorPlanInterestExpense 4,600,000 1,700,000    
Interest Expense, Other 900,000 800,000    
Payments to Acquire Property, Plant, and Equipment 5,700,000 28,600,000    
Assets 319,000,000.0   267,600,000  
Powersports Segment        
Segment income (loss):        
Interest expense, other, net (600,000) 0    
Depreciation, Depletion and Amortization 800,000 0    
FloorPlanInterestExpense 100,000 0    
Interest Expense, Other 600,000 0    
Payments to Acquire Property, Plant, and Equipment 500,000 0    
Assets 199,900,000   $ 117,800,000  
Operating segments | Franchised Dealerships Segment        
Segment income (loss):        
Segment income (loss) 109,800,000 163,800,000    
Operating segments | EchoPark Segment        
Segment income (loss):        
Segment income (loss) (46,800,000) (35,300,000)    
Operating segments | Powersports Segment        
Segment income (loss):        
Segment income (loss) 600,000 400,000    
Reconciling items        
Segment income (loss):        
Other income (expense), net 63,600,000 128,900,000    
New vehicles        
Revenues:        
Total consolidated revenues 1,461,600,000 1,369,500,000    
New vehicles | Franchised Dealerships Segment        
Revenues:        
Total consolidated revenues 1,439,800,000 1,363,900,000    
Used vehicles        
Revenues:        
Total consolidated revenues 1,344,900,000 1,370,100,000    
Used vehicles | Franchised Dealerships Segment        
Revenues:        
Total consolidated revenues 767,600,000 853,600,000    
Used vehicles | EchoPark Segment        
Revenues:        
Total consolidated revenues 572,500,000 515,400,000    
Wholesale vehicles        
Revenues:        
Total consolidated revenues 85,600,000 168,800,000    
Wholesale vehicles | Franchised Dealerships Segment        
Revenues:        
Total consolidated revenues 58,400,000 106,400,000    
Wholesale vehicles | EchoPark Segment        
Revenues:        
Total consolidated revenues 27,000,000.0 62,400,000    
Parts, service and collision repair        
Revenues:        
Total consolidated revenues 430,500,000 381,200,000    
Parts, service and collision repair | Franchised Dealerships Segment        
Revenues:        
Total consolidated revenues 423,800,000 380,500,000    
Finance, insurance and other, net        
Revenues:        
Total consolidated revenues 168,600,000 166,600,000    
Finance, insurance and other, net | Franchised Dealerships Segment        
Revenues:        
Total consolidated revenues 117,100,000 126,500,000    
Finance, insurance and other, net | EchoPark Segment        
Revenues:        
Total consolidated revenues 50,000,000.0 39,900,000    
NewVehiclesMember | EchoPark Segment        
Revenues:        
Total consolidated revenues 1,000,000.0 4,400,000    
Retail New Vehicles [Member]        
Revenues:        
Total consolidated revenues 1,442,800,000 1,351,300,000    
Retail New Vehicles [Member] | Franchised Dealerships Segment        
Revenues:        
Total consolidated revenues 1,421,000,000 1,345,700,000    
Fleet New Vehicles [Member]        
Revenues:        
Total consolidated revenues 18,800,000 18,200,000    
Fleet New Vehicles [Member] | Franchised Dealerships Segment        
Revenues:        
Total consolidated revenues 18,800,000 18,200,000    
Retail New Vehcile        
Revenues:        
Powersports New Vehicle Revenue $ 20,800,000 $ 1,200,000