v3.26.1
ACQUISITIONS AND DISPOSITIONS (Details)
$ in Millions
1 Months Ended 6 Months Ended
Jul. 30, 2026
USD ($)
dealership
Jul. 30, 2026
dealership
Jun. 30, 2026
USD ($)
dealership
Jun. 30, 2025
USD ($)
dealership
franchise
Dec. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Business Combination            
Goodwill     $ 2,172.6     $ 2,204.9
Proceeds from disposition of franchises, property and equipment     370.2 $ 76.1    
Asset impairments     3.5 4.4    
Subsequent Event | Unsecured Debt | Forecast            
Business Combination            
Unsecured bridge loan         $ 1,250.0  
Disposed of by Sale            
Business Combination            
Dispositions reduced goodwill       19.6    
Asset impairments       $ 2.7    
Held-for-sale            
Business Combination            
Goodwill     $ 57.5     $ 39.5
Collision Center in Atlanta GA | Subsequent Event            
Business Combination            
Business combination price of acquisition expected $ 1,300.0          
Collision Center in Atlanta GA | Subsequent Event | Scenario, Plan            
Business Combination            
Number of dealerships acquired | dealership 10          
U.S.            
Business Combination            
Number of dealerships acquired | dealership     4 3    
U.S. | Subsequent Event            
Business Combination            
Number of dealerships divested | dealership   2        
U.S. | Disposed of by Sale            
Business Combination            
Net pre-tax gain (loss) on dealership dispositions     $ 44.2 $ 0.7    
Number of dealerships | dealership     2 3    
Dispositions reduced goodwill     $ 109.4      
Number of franchises | franchise       4    
U.S. | Toyota Dealerships            
Business Combination            
Number of dealerships acquired | dealership     2      
U.S. | Honda Dealerships            
Business Combination            
Number of dealerships acquired | dealership     2      
U.S. | 2026 Business Acquisitions            
Business Combination            
Aggregate consideration paid for dealerships     $ 219.0      
Goodwill     $ 53.2      
U.S. | Lexus Dealership            
Business Combination            
Number of dealerships acquired | dealership       1    
U.S. | Acura Dealership            
Business Combination            
Number of dealerships acquired | dealership       1    
U.S. | Mercedes-Benz Dealership            
Business Combination            
Number of dealerships acquired | dealership       1    
U.S. | 2025 Business Acquisitions            
Business Combination            
Aggregate consideration paid for dealerships       $ 305.8    
Goodwill       $ 164.4    
U.K.            
Business Combination            
Number of dealerships acquired | dealership     3 4    
U.K. | Disposed of by Sale            
Business Combination            
Net pre-tax gain (loss) on dealership dispositions     $ (7.2)      
Number of dealerships | dealership     6 4    
Dispositions reduced goodwill     $ 8.4      
Number of franchises | franchise       8    
U.K. | Toyota Dealerships            
Business Combination            
Number of dealerships acquired | dealership       3    
U.K. | 2026 Business Acquisitions            
Business Combination            
Aggregate consideration paid for dealerships     $ 0.6      
U.K. | Volkswagen Dealerships            
Business Combination            
Number of dealerships acquired | dealership     2      
U.K. | Skoda Dealerships            
Business Combination            
Number of dealerships acquired | dealership     1      
U.K. | Lexus Dealership            
Business Combination            
Number of dealerships acquired | dealership       1    
U.K. | 2025 Business Acquisitions            
Business Combination            
Aggregate consideration paid for dealerships       $ 16.4    
Goodwill       $ 2.4