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Business And Basis Of Presentation (Details)
Mar. 24, 2015
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Business And Basis Of Presentation [Line Items]  
Number of restaurants owned and operated 46us-gaap_NumberOfRestaurants
Restaurant operated in number of states 20us-gaap_NumberOfStatesInWhichEntityOperates
Del Frisco's Double Eagle Steak House [Member]  
Business And Basis Of Presentation [Line Items]  
Number of restaurants owned and operated 11us-gaap_NumberOfRestaurants
/ us-gaap_StatementBusinessSegmentsAxis
= dfrg_DoubleEagleSteakHouseMember
Sullivan's [Member]  
Business And Basis Of Presentation [Line Items]  
Number of restaurants owned and operated 19us-gaap_NumberOfRestaurants
/ us-gaap_StatementBusinessSegmentsAxis
= dfrg_SullivansSteakhouseMember
Grille [Member]  
Business And Basis Of Presentation [Line Items]  
Number of restaurants owned and operated 16us-gaap_NumberOfRestaurants
/ us-gaap_StatementBusinessSegmentsAxis
= dfrg_GrilleMember