The maximum amount of cash payments for capital expenditures allowed during the covenant relief period.

No definition available.

Name:	cbrl_CovenantReliefMaximumCashPaymentsForCapitalExpenditures
Namespace Prefix:	cbrl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument for additional option, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	cbrl_DebtInstrumentOptionTerm
Namespace Prefix:	cbrl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the option to increase borrowings on the credit facility.

+ References

No definition available.

+ Details

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

- Definition

Amount of liquidity defined as the availability under the 2019 Revolving Credit Facility plus unrestricted cash and cash equivalents), which is required to be maintained during the Covenant Relief period.

+ References

No definition available.

+ Details

Name:	cbrl_LiquidityAmount
Namespace Prefix:	cbrl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The minimum amount of availability under the revolving credit facility plus cash and cash equivalents on hand for the company to be able to declare and pay dividends and repurchase shares pursuant to the credit facility.

+ References

No definition available.

+ Details

Name:	cbrl_LiquidityRequirements
Namespace Prefix:	cbrl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Threshold amount used in determining the amount of dividends that may be paid pursuant to the credit facility.

+ References

No definition available.

+ Details

Name:	cbrl_MaximumDividendsLimit
Namespace Prefix:	cbrl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The maximum leverage ratio expected to be maintained pursuant to amended credit facility in order to pay dividends in an amount greater than the prior year.

+ References

No definition available.

+ Details

Name:	cbrl_MaximumLeverageRatio
Namespace Prefix:	cbrl_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the multiplier used in calculating aggregate amount of cash dividends on shares of common stock in any fiscal year.

+ References

No definition available.

+ Details

Name:	cbrl_MultiplierUsedInCalculatingAggregateAmountOfCashDividendsOnSharesOfCommonStockInAnyFiscalYear
Namespace Prefix:	cbrl_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

+ Details

Name:	us-gaap_DeferredFinanceCostsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

+ Details

Name:	us-gaap_ProceedsFromLinesOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.8)
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

+ Details

Name:	us-gaap_WriteOffOfDeferredDebtIssuanceCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=cbrl_RevolvingCreditFacility2019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_UnusualOrInfrequentItemAxis=cbrl_Covid19Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=cbrl_RevolvingCreditFacility2019SwappedPortionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=cbrl_RevolvingCreditFacility2019RemainingPortionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=cbrl_PriorRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt (Details) $ in Thousands	3 Months Ended		12 Months Ended
Debt (Details) $ in Thousands	Jul. 31, 2020 USD ($)	Aug. 02, 2019 USD ($)	Jul. 31, 2020 USD ($)	Sep. 05, 2018 USD ($)
Revolving Credit Facility [Member]
Line of Credit Facility [Abstract]
Maximum borrowing capacity				$ 750,000
2019 Revolving Credit Facility [Member]
Line of Credit Facility [Abstract]
Line of credit facility, term			5 years
Maximum borrowing capacity				950,000
Option to increase revolving credit facility				$ 300,000
Amount drawn from debt instrument	$ 39,395
Debt instrument, term of option	1 year
Loan acquisition costs	$ 1,348	$ 3,022	$ 1,348
Outstanding borrowings	949,395	400,000	949,395
Amount of standby letters of credit	21,528		21,528
Remaining borrowing capacity	$ 18,472		18,472
Liquidity requirements			100,000
Dividends threshold			$ 100,000
Leverage ratio, maximum	3.00		3.00
Multiplier used in calculating aggregate amount of cash dividends on shares of common stock in any fiscal year			4
2019 Revolving Credit Facility [Member] \| Covid-19 [Member]
Line of Credit Facility [Abstract]
Liquidity amount	$ 140,000		$ 140,000
Maximum cash payments for capital expenditures			60,000
2019 Revolving Credit Facility, Swapped Portion [Member]
Line of Credit Facility [Abstract]
Outstanding borrowings	$ 400,000	$ 350,000	$ 400,000
Weighted average interest rates	5.36%	3.49%	5.36%
2019 Revolving Credit Facility, Remaining Portion [Member]
Line of Credit Facility [Abstract]
Outstanding borrowings	$ 549,395	$ 50,000	$ 549,395
Weighted average interest rates	3.79%	3.58%	3.79%
Prior Credit Facility [Member]
Line of Credit Facility [Abstract]
Write off of loan acquisition costs		$ 166