v3.19.2
Document and Entity Information - USD ($)
12 Months Ended
Aug. 02, 2019
Sep. 18, 2019
Feb. 01, 2019
Cover [Abstract]      
Entity Registrant Name CRACKER BARREL OLD COUNTRY STORE, INC    
Entity Central Index Key 0001067294    
Current Fiscal Year End Date --08-02    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Shell Company false    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Public Float     $ 3,980,072,081
Entity Common Stock, Shares Outstanding   24,050,147  
Document Type 10-K    
Amendment Flag false    
Document Period End Date Aug. 02, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Entity Address, State or Province TN