Annual report pursuant to Section 13 and 15(d)

Segment Information - Summary of Reportable Operating Segment (Details)

v3.22.4
Segment Information - Summary of Reportable Operating Segment (Details)
 12 Months Ended
Dec. 31, 2022
USD ($)
Segment
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Segment Reporting Information [Line Items]        
Operating income (loss) $ 314,000,000.0 $ 538,400,000 $ 33,900,000  
Interest expense, other, net (89,900,000) (48,000,000.0) (41,600,000)  
Other income (expense), net 200,000 (15,500,000) 100,000  
Income (loss) from continuing operations before taxes 190,000,000.0 458,200,000 (34,800,000)  
Segment Schedule Footnotes        
Asset impairment charges 320,400,000 100,000 270,000,000.0  
Nonrecurring Compensation Expense   6,500,000    
Total floor plan interest expense 34,300,000 16,700,000 27,200,000  
Depreciation, Depletion and Amortization, Nonproduction 127,500,000 101,100,000 91,000,000.0  
Total assets 4,978,300,000 4,975,100,000    
Cash and cash equivalents 229,200,000 299,400,000 170,300,000 $ 29,100,000
Goodwill 231,000,000.0 416,400,000 214,000,000.0  
Intangible Assets, Net (Excluding Goodwill) 396,700,000 480,200,000    
Other corporate assets $ 0 200,000    
Number of operating segments | Segment 3      
Segment Income $ 510,400,000 458,300,000 235,200,000  
EchoPark Segment Income (133,900,000) (72,000,000.0) 4,000,000.0  
Powersports Segment Segment Income 2,700,000 0 0  
Segment Retail Units Sold        
Franchised Dealerships Used Vehicle Revenue 3,391,500,000 2,901,000,000 2,345,900,000  
Franchised Dealerships Wholesale Revenue 314,000,000.0 257,200,000 168,700,000  
Franchised Dealerships Fixed Ops Revenue 1,588,000,000 1,340,400,000 1,194,400,000  
Franchised Dealerships F&I Revenue 510,100,000 443,500,000 357,800,000  
Franchised Dealerships Segment Revenue 11,484,600,000 10,051,100,000 8,348,000,000  
EchoPark New Vehicle Revenue 9,200,000 9,000,000.0 0  
EchoPark Used Vehicle Revenue 2,116,800,000 2,032,600,000 1,258,200,000  
EchoPark Wholesale Revenue 170,600,000 110,000,000.0 28,700,000  
EchoPark F&I Revenue 166,400,000 193,700,000 132,100,000  
EchoPark Segment Revenue 2,463,000,000 2,345,300,000 1,419,000,000  
Powersports Used Vehicle Revenue 7,100,000 0 0  
Powersports Wholesale Vehicle Revenue 300,000 0 0  
Powersports Fixed Ops Revenue 11,700,000 0 0  
Powersports F&I Revenue 2,600,000 0 0  
Powersports Segment Revenues 53,500,000 0 0  
Total revenues 14,001,100,000 12,396,400,000 9,767,000,000  
EchoPark Segment Assets 267,600,000 740,600,000    
PowerSport Segment Assets [Domain] 117,800,000 0    
Powersport Interest Expense, Other, Net 1,000,000.0 0 0  
Powersports Floorplan Exp 0 0 0  
Powersports Depreciation and Amortization 1,000,000.0 0 0  
Gain on EchoPark Disposal     5,200,000  
Debt Extinguishment Costs   15,500,000    
Business Combination, Acquisition Related Costs 600,000 3,000,000    
Gain (Loss) on Disposition of Property Plant Equipment 9,100,000      
Gain (loss) pre-tax loss on long-term compensation expense 4,400,000      
Powersports Capital Expenditures 200,000 0 0  
Fleet New Vehicles [Member]        
Segment Retail Units Sold        
Total revenues 99,400,000 124,600,000 56,800,000  
Total new vehicles        
Segment Retail Units Sold        
Total revenues 5,722,000,000 5,118,000,000 4,281,200,000  
Retail New Vehicles [Member]        
Segment Retail Units Sold        
Powersports New Vehicle Revenue 31,800,000 0 0  
Total revenues 5,622,600,000 4,993,400,000 4,224,400,000  
EchoPark Total Impairment [Member]        
Segment Schedule Footnotes        
Asset impairment charges 204,900,000 100,000    
Franchised Dealership Impairment [Member]        
Segment Schedule Footnotes        
Asset impairment charges 115,500,000   270,000,000.0  
FranchisedDealershipMember [Member] | Fleet New Vehicles [Member]        
Segment Retail Units Sold        
Total revenues 99,400,000 124,600,000 56,800,000  
FranchisedDealershipMember [Member] | TotalNewVehicle        
Segment Retail Units Sold        
Total revenues 5,681,000,000 5,109,000,000 4,281,200,000  
FranchisedDealershipMember [Member] | Retail New Vehicles [Member]        
Segment Retail Units Sold        
Total revenues $ 5,581,600,000 4,984,400,000 4,224,400,000  
Franchised Dealerships [Member]        
Segment Schedule Footnotes        
Asset impairment charges   $ 0    
PreOwnedStoreMember [Member]        
Segment Schedule Footnotes        
Asset impairment charges     0  
Operating segments | Income (loss) from continuing operations before taxes | Franchised Dealership Impairment [Member]        
Segment Schedule Footnotes        
Asset impairment charges     $ 100,000