Document and Entity Information - USD ($)	12 Months Ended
	Jul. 28, 2017	Sep. 14, 2017	Jan. 27, 2017
Document and Entity Information [Abstract]
Entity Registrant Name	CRACKER BARREL OLD COUNTRY STORE, INC
Entity Central Index Key	0001067294
Current Fiscal Year End Date	--07-28
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 3,779,685,850
Entity Common Stock, Shares Outstanding		24,055,682
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Document Type	10-K
Amendment Flag	false
Document Period End Date	Jul. 28, 2017