v3.26.1
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Non-financial instruments (Details)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 01, 2026
USD ($)
restaurant
Jun. 25, 2025
USD ($)
Jul. 01, 2026
USD ($)
restaurant
Jun. 25, 2025
USD ($)
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES        
Impairment of property and equipment   $ 0.0   $ 0.0
Nevada        
BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES        
Impairment of property and equipment $ 0.2   $ 0.2  
Number of restaurants with long-lived assets impairment charges | restaurant 1   1