Line Of Credit Facility, Accordion Feature, Increase Limit

No definition available.

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Balance Type:	credit
Period Type:	instant

- Definition

Ratio Of Indebtedness To EBITDAR

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The average effective interest rate during the reporting period.

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+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Nominal or face amount used to calculate payments on the derivative asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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

- Definition

Rate of interest on investment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
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+ Details

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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

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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.

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+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
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

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow from the additional capital contribution to the entity.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateCapMember
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Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
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Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=dfrg_TermLoanBMember
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- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
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- Details

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Period Type:

- Details

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- Details

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Long-Term Indebtedness - Narrative (Details) - USD ($)					6 Months Ended
Long-Term Indebtedness - Narrative (Details) - USD ($)	Feb. 26, 2019	Aug. 27, 2018	Aug. 06, 2018	Jun. 27, 2018	Jun. 25, 2019	Dec. 25, 2018
Debt Instrument [Line Items]
Proceeds from sale of common stock, net of issuance costs			$ 97,800,000
Designated as Hedging Instrument \| Interest rate cap
Debt Instrument [Line Items]
Notional amount					$ 200,000,000
Strike rate per annum					3.00%
Revolving Loan
Debt Instrument [Line Items]
Amount of long term debt outstanding					$ 32,000,000	$ 23,700,000
Letters of Credit
Debt Instrument [Line Items]
Outstanding letters of credit					$ 1,600,000	1,600,000
Term Loan B \| Secured Debt
Debt Instrument [Line Items]
Debt instrument term				7 years
Aggregate principal amount of term loans				$ 390,000,000.0
Term Loan B \| LIBOR \| Secured Debt
Debt Instrument [Line Items]
Basis spread on variable rate				4.75%
Term Loan B \| Base Rate \| Secured Debt
Debt Instrument [Line Items]
Basis spread on variable rate				3.75%
Revolving Loan \| Revolving Loan
Debt Instrument [Line Items]
Debt instrument term				5 years
Aggregate principal amount of revolving loan				$ 50,000,000.0
Additional principal amount, accordion feature				$ 25,000,000
Revolving credit facility, amount outstanding						23,700,000
Commitment fee percentage					0.50%
Revolving Loan \| Revolving Loan \| LIBOR
Debt Instrument [Line Items]
Interest rate				3.50%
Revolving Loan \| Revolving Loan \| Base Rate
Debt Instrument [Line Items]
Interest rate				2.50%
Amended Term Loan B \| Secured Debt
Debt Instrument [Line Items]
Aggregate principal amount of term loans		$ 18,000,000
Interest rate					8.50%
Amount of long term debt outstanding					$ 332,803,000	309,417,000
Quarterly installment amount		$ 800,000
Amended Term Loan B \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate		6.00%
Amended Term Loan B \| Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate		5.00%
Joinder Agreement Term Loan
Debt Instrument [Line Items]
Aggregate principal amount of term loans	$ 25,000,000
Net proceeds from debt	$ 23,100,000
2018 Credit Facility
Debt Instrument [Line Items]
Ratio of indebtedness to EBITDAR					25.00%
2018 Credit Facility \| Revolving Loan
Debt Instrument [Line Items]
Revolving credit facility, amount outstanding					$ 32,000,000
Loans By Deferred Compensation Plans
Debt Instrument [Line Items]
Amount of long term debt outstanding					$ 3,577,000	$ 3,820,000
Interest rate on loans borrowed against deferred compensation plan					1.00%
Interest earned on deferred compensation plan assets					4.00%