| Cover | Dec. 11, 2020 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Dec. 11, 2020 |
| Entity File Number | 001-25225 |
| Entity Registrant Name | CRACKER BARREL OLD COUNTRY STORE, INC. |
| Entity Central Index Key | 0001067294 |
| Entity Tax Identification Number | 62-0812904 |
| Entity Incorporation, State or Country Code | TN |
| Entity Address, Address Line One | 305 Hartmann Drive |
| Entity Address, City or Town | Lebanon |
| Entity Address, State or Province | TN |
| Entity Address, Postal Zip Code | 37087 |
| City Area Code | 615 |
| Local Phone Number | 444-5533 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock (Par Value $0.01) Rights to Purchase Series A Junior Participating Preferred Stock (Par Value $0.01) |
| Trading Symbol | CBRL |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
