Represents the option to increase borrowings on the credit facility.

No definition available.

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

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=6877327&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=6876686&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=6879938&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

Description of restrictions on the entity's ability to pay dividends as required by the terms of the credit facility.

+ References

Reference 1: 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.(e)(1))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

Name:	us-gaap_LineOfCreditFacilityDividendRestrictions
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

- 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_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
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Balance Type:
Period Type:

Debt (Details) $ in Thousands		12 Months Ended
Debt (Details) $ in Thousands	Sep. 05, 2018 USD ($)	Aug. 03, 2018 USD ($)	Jul. 28, 2017 USD ($)
2015 Revolving Credit Facility [Member]
Line of Credit Facility [Abstract]
Line of credit facility, term		5 years
Maximum borrowing capacity		$ 750,000
Outstanding borrowings		400,000	$ 400,000
Amount of standby letters of credit		9,455
Current borrowing capacity		$ 340,545
Weighted average interest rates of swapped debt		3.73%	3.21%
Restrictions on dividends payable		Under the 2015 Revolving Credit Facility, provided there is no default existing and the total of the Company’s availability under the 2015 Revolving Credit Facility plus the Company’s cash and cash equivalents on hand is at least $100,000 (the “cash availability”), the Company may declare and pay cash dividends on shares of its common stock and repurchase shares of its common stock (1) in an unlimited amount if at the time such dividend or repurchase is made the Company’s consolidated total leverage ratio is 3.00 to 1.00 or less and (2) in an aggregate amount not to exceed $100,000 in any fiscal year if the Company’s consolidated total leverage ratio is greater than 3.00 to 1.00 at the time the dividend or repurchase is made; notwithstanding (1) and (2), so long as immediately after giving effect to the payment of any such dividends, cash availability is at least $100,000, the Company may declare and pay cash dividends on shares of its common stock in an aggregate amount not to exceed in any fiscal year the product of the aggregate amount of dividends declared in the fourth quarter of the immediately preceding fiscal year multiplied by four.
Liquidity requirements		$ 100,000
Dividends threshold		$ 100,000
Leverage ratio, maximum		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] \| Subsequent Event [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