Segment Reporting (Schedule Of Segment Reporting Information By Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 24, 2015	Mar. 25, 2014
Segment Reporting Information [Line Items]
Revenues	$ 75,102us-gaap_Revenues	$ 66,622us-gaap_Revenues
Restaurant-level EBITDA	17,122	14,779
Capital expenditures	7,194	5,787
Property and equipment	218,665us-gaap_PropertyPlantAndEquipmentGross	173,831us-gaap_PropertyPlantAndEquipmentGross
Del Frisco's [Member]
Segment Reporting Information [Line Items]
Revenues	36,022	32,568
Restaurant-level EBITDA	10,324	9,208
Capital expenditures	1,455	1,012
Property and equipment	94,718	74,492
Sullivan's [Member]
Segment Reporting Information [Line Items]
Revenues	19,837	19,020
Restaurant-level EBITDA	3,875	3,162
Capital expenditures	393	1,455
Property and equipment	46,231	44,086
Grille [Member]
Segment Reporting Information [Line Items]
Revenues	19,243	15,034
Restaurant-level EBITDA	2,923	2,409
Capital expenditures	3,303	1,956
Property and equipment	75,368	53,358
Corporate [Member]
Segment Reporting Information [Line Items]
Capital expenditures	89	103
Property and equipment	2,348	1,895
Other [Member]
Segment Reporting Information [Line Items]
Capital expenditures	$ 5,240	$ 4,526

Restaurant Level Earnings Before Interest Taxes Depreciation And Amortization

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- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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