Leases (Details) $ in Thousands	9 Months Ended
Apr. 30, 2021 USD ($) Period
Leases [Abstract]
Initial lease term	20 years
Maximum [Member]
Leases [Abstract]
Lease renewal option	50 years
Restaurant [Member]
Leases [Abstract]
Initial lease term	10 years
Lease renewal option	5 years
Undiscounted future payments for leases not yet commenced \| $	$ 6,404
Restaurant [Member] \| Minimum [Member]
Leases [Abstract]
Number of optional renewal periods	4
Restaurant [Member] \| Maximum [Member]
Leases [Abstract]
Number of optional renewal periods	5

Amount of lessee's undiscounted obligation for lease payments for operating lease not yet commenced.

No definition available.

Name:	cbrl_LesseeOperatingLeaseLeasesNotYetCommencedLiabilityPayments
Namespace Prefix:	cbrl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The information about number of optional renewal periods.

+ References

No definition available.

+ Details

Name:	cbrl_NumberOfOptionalRenewalPeriods
Namespace Prefix:	cbrl_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_LesseeOperatingLeaseDescriptionAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseRenewalTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorPropertyClassAxis=cbrl_RestaurantStoresMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: