v3.26.1
REVENUE RECOGNITION - Narrative (Details)
$ in Millions
6 Months Ended
Jun. 30, 2026
USD ($)
business
Jun. 30, 2025
business
Dec. 31, 2025
USD ($)
Business Combination [Line Items]      
Deferred revenue $ 862.4   $ 828.2
Number of businesses acquired | business 0 0  
Herb Chambers Dealerships      
Business Combination [Line Items]      
Business Combination, Acquiree's Revenue since Acquisition Date, Actual $ 1,190.0    
Business Combination, Acquiree's Earnings (Loss) since Acquisition Date, Actual $ 34.2    
Finance and insurance, net      
Business Combination [Line Items]      
Deferred revenue     $ 136.9