Quarterly report pursuant to Section 13 or 15(d)

Segment Information - Additional Information (Details)

v3.24.1.u1
Segment Information - Additional Information (Details)
3 Months Ended
Mar. 31, 2024
USD ($)
Segment
Mar. 31, 2023
USD ($)
Segment Reporting [Abstract]    
Number of operating segments | Segment 3  
Impairment charges $ 1,000,000.0 $ 0
Segment Reporting Information [Line Items]    
Revenues 3,384,000,000 3,491,200,000
Retail New Vehicles [Member]    
Segment Reporting Information [Line Items]    
Revenues 1,455,800,000 1,442,800,000
Fleet New Vehicles [Member]    
Segment Reporting Information [Line Items]    
Revenues 19,600,000 18,800,000
New vehicles    
Segment Reporting Information [Line Items]    
Revenues 1,475,400,000 1,461,600,000
Used vehicles    
Segment Reporting Information [Line Items]    
Revenues 1,215,600,000 1,344,900,000
Wholesale vehicles    
Segment Reporting Information [Line Items]    
Revenues 77,300,000 85,600,000
Total vehicles    
Segment Reporting Information [Line Items]    
Revenues 2,768,300,000 2,892,100,000
Parts, service and collision repair    
Segment Reporting Information [Line Items]    
Revenues 446,700,000 430,500,000
Finance, insurance and other, net    
Segment Reporting Information [Line Items]    
Revenues $ 169,000,000.0 $ 168,600,000