v3.26.3
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details)
shares in Thousands, $ in Thousands
 12 Months Ended
Jul. 25, 2026
USD ($)
real_estate_partnership
class
store
shares
Jul. 26, 2025
USD ($)
shares
Jul. 27, 2024
USD ($)
shares
Product Information [Line Items]      
Number of stores acquired | store 34    
Fiscal year period 364 days 364 days  
Depreciation $ 2,057 $ 2,256 $ 2,012
Credit and debit card receivables $ 13,058 $ 12,493  
Percentage of LIFO inventory 65.00% 64.00%  
LIFO reserve inventory $ 23,176 $ 22,382  
Advertising expense 9,596 11,582 12,174
Impairment of assets 0 1,462 $ 2,125
Indefinite-lived intangible assets $ 13,299 $ 13,299  
Number of common stock classes | class 2    
Common stock cash dividends, percent Class A is entitled greater than Class B 54.00%    
Restricted Stock Units (RSUs)      
Product Information [Line Items]      
Class A shares excluded from computation of earnings per share (in shares) | shares 251 427 456
Variable Interest Entity, Not Primary Beneficiary      
Product Information [Line Items]      
Number of variable interest entity real estate partnerships | real_estate_partnership 1    
Buildings      
Product Information [Line Items]      
Useful life 30 years    
Store fixtures and equipment | Minimum      
Product Information [Line Items]      
Useful life 5 years    
Store fixtures and equipment | Maximum      
Product Information [Line Items]      
Useful life 7 years    
Vehicles      
Product Information [Line Items]      
Useful life 3 years    
Wakefern      
Product Information [Line Items]      
Demand deposits invested at related party Wakefern $ 111,776 $ 92,003  
Gourmet Garage Specialty Markets      
Product Information [Line Items]      
Number of stores acquired | store 3