v3.26.1
Revenues - Retail Commercial Truck Dealership (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Revenues        
Total revenues $ 8,512.7 $ 8,032.5 $ 16,376.3 $ 15,986.3
Retail commercial truck dealership        
Revenues        
Total revenues 927.8 943.6 1,622.4 1,767.3
New truck | Retail commercial truck dealership        
Revenues        
Total revenues 594.3 655.6 995.5 1,182.8
Used truck | Retail commercial truck dealership        
Revenues        
Total revenues 86.6 52.7 138.8 116.5
Finance and insurance, net | Retail commercial truck dealership        
Revenues        
Total revenues 4.5 4.0 8.0 8.5
Service and parts | Retail commercial truck dealership        
Revenues        
Total revenues 237.7 226.7 469.9 448.7
Other | Retail commercial truck dealership        
Revenues        
Total revenues $ 4.7 $ 4.6 $ 10.2 $ 10.8