Document and Entity Information - shares	9 Months Ended
	May 03, 2019	May 28, 2019
Document and Entity Information [Abstract]
Entity Registrant Name	CRACKER BARREL OLD COUNTRY STORE, INC
Entity Central Index Key	0001067294
Current Fiscal Year End Date	--08-02
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Ex Transition Period	false
Entity Common Stock, Shares Outstanding		24,044,402
Document Type	10-Q
Amendment Flag	false
Document Period End Date	May 03, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3