v3.26.1
BASIS OF PRESENTATION - Narrative (Details)
$ in Millions
9 Months Ended
Jul. 05, 2026
USD ($)
restaurant
Jul. 06, 2025
USD ($)
Net Investment Income [Line Items]    
Marketing and advertising expense | $ $ 18.3 $ 17.3
Marketing Fund, Incremental Contributions | $ $ 0.6 $ 0.4
Food and packaging    
Net Investment Income [Line Items]    
Contractual obligation (percent) 5.00% 5.00%
Company operated | Food and packaging    
Net Investment Income [Line Items]    
Number of operating segments | restaurant 149  
Franchise-operated | Food and packaging    
Net Investment Income [Line Items]    
Number of operating segments | restaurant 1,966