Quarterly report pursuant to Section 13 or 15(d)

Business Acquisitions and Dispositions - Additional Information (Details)

v3.23.3
Business Acquisitions and Dispositions - Additional Information (Details)
 3 Months Ended 9 Months Ended
Mar. 31, 2024
retail_Units
Sep. 30, 2023
USD ($)
Jun. 30, 2023
USD ($)
Mar. 31, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
retail_Units
Business
Sep. 30, 2022
USD ($)
Business
Sep. 30, 2022
USD ($)
retail_Units
Sep. 30, 2022
USD ($)
Business Acquisition [Line Items]                  
Number of franchises disposed           0 0 1  
Net cash generated from disposition           $ 52,200,000      
Proceeds from sales of dealerships           52,200,000     $ 0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other   $ 100,000       100,000      
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory           4,300,000      
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles           1,100,000      
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred           14,700,000      
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets           3,400,000      
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities           5,900,000      
Payments to Acquire Businesses, Gross           75,100,000      
PY Acq GW Allocations Fdealer       $ (34,500,000)   (400,000)      
PY Acq GW Allocations Powersports           2,900,000     0
Restructuring Costs   4,800,000 $ 75,200,000     75,200,000      
Interest Income, Other Domestic Deposits   5,000,000     $ 900,000 $ 13,800,000     2,300,000
Inventories                  
Business Acquisition [Line Items]                  
Restructuring Costs     10,000,000            
Powersports Segment | Powersports Segment                  
Business Combinations [Abstract]                  
Number of acquired franchises | retail_Units           1      
Business Acquisition [Line Items]                  
Number of acquired franchises | retail_Units           1      
Powersports Segment | Inventories                  
Business Acquisition [Line Items]                  
Restructuring Costs     $ 1,900,000            
Mid-line import franchise                  
Business Acquisition [Line Items]                  
Number of franchises disposed | retail_Units           1      
Net cash generated from disposition                 0
Luxury Dealership [Domain]                  
Business Acquisition [Line Items]                  
Number of franchises disposed | retail_Units           1      
domestic franchise dealership [Domain]                  
Business Acquisition [Line Items]                  
Number of franchises disposed | retail_Units           1      
EchoPark Segment [Member]                  
Business Combinations [Abstract]                  
Number of acquired franchises | Business           0      
Business Acquisition [Line Items]                  
Number of acquired franchises | Business           0      
Stand-alone pre-owned vehicle business                  
Business Acquisition [Line Items]                  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory   11,100,000       $ 11,100,000      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment   700,000       700,000      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill   22,600,000       $ 22,600,000      
Franchised [Member]                  
Business Combinations [Abstract]                  
Number of acquired franchises | retail_Units 2                
Business Acquisition [Line Items]                  
Number of acquired franchises | retail_Units 2                
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory         31,000,000   $ 31,000,000 $ 31,000,000 31,000,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment         500,000   500,000 500,000 500,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill         33,200,000   33,200,000 33,200,000 33,200,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other         1,100,000   1,100,000 1,100,000 1,100,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities         $ (400,000)   $ (400,000) $ (400,000) (400,000)
Franchised [Member] | Franchised [Member]                  
Business Combinations [Abstract]                  
Number of acquired franchises | retail_Units           1      
Business Acquisition [Line Items]                  
Number of acquired franchises | retail_Units           1      
Powersports Segment                  
Business Combinations [Abstract]                  
Number of acquired franchises | retail_Units           1   2  
Business Acquisition [Line Items]                  
Number of acquired franchises | retail_Units           1   2  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land   29,000,000       $ 29,000,000      
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities   $ (300,000)       $ (300,000)      
Franchised Dealerships Acquired                  
Business Acquisition [Line Items]                  
Business acquisition, consideration amount                 $ 79,500,000