XML 56 R39.htm IDEA: XBRL DOCUMENT v3.23.1
BASIS OF PRESENTATION - Narrative (Details)
$ in Millions
3 Months Ended 4 Months Ended 6 Months Ended
Apr. 16, 2023
USD ($)
Apr. 17, 2022
USD ($)
Jan. 22, 2023
USD ($)
Apr. 16, 2023
USD ($)
restaurant
Apr. 17, 2022
USD ($)
Net Investment Income [Line Items]          
Contractual obligation | $     $ 0.0 $ 0.1  
Marketing and advertising expense | $ $ 9.2 $ 7.1   $ 21.3 $ 13.1
Jack in the Box          
Net Investment Income [Line Items]          
Contractual obligation (percent)       5.00% 5.00%
Del Taco          
Net Investment Income [Line Items]          
Contractual obligation (percent)       4.00%  
Company operated | Jack in the Box          
Net Investment Income [Line Items]          
Number of operating segments       140  
Company operated | Del Taco          
Net Investment Income [Line Items]          
Number of operating segments       273  
Franchise-operated | Jack in the Box          
Net Investment Income [Line Items]          
Number of operating segments       2,047  
Franchise-operated | Del Taco          
Net Investment Income [Line Items]          
Number of operating segments       322