Segment Reporting (Schedule Of Segment Reporting Information By Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 03, 2013	Sep. 04, 2012	Sep. 03, 2013	Sep. 04, 2012
Segment Reporting Information [Line Items]
Revenues	$ 54,183	$ 47,887	$ 174,345	$ 151,565
Restaurant-level EBITDA	10,967	10,067	38,885	35,998
Capital expenditures	7,567	7,041	17,797	19,475
Property and equipment	157,473	125,611	157,473	125,611
Del Frisco's [Member]
Segment Reporting Information [Line Items]
Revenues	28,786	25,188	93,685	81,288
Restaurant-level EBITDA	7,799	6,711	26,134	22,766
Capital expenditures	867	3,282	2,287	4,623
Property and equipment	72,572	61,042	72,572	61,042
Sullivan's [Member]
Segment Reporting Information [Line Items]
Revenues	16,061	17,174	54,146	56,468
Restaurant-level EBITDA	1,605	2,480	7,819	10,261
Capital expenditures	537	477	1,488	2,781
Property and equipment	43,662	41,470	43,662	41,470
Grille [Member]
Segment Reporting Information [Line Items]
Revenues	9,336	5,525	26,514	13,809
Restaurant-level EBITDA	1,563	876	4,932	2,971
Capital expenditures	5,883	3,122	13,695	11,763
Property and equipment	39,517	21,734	39,517	21,734
Corporate [Member]
Segment Reporting Information [Line Items]
Capital expenditures	280	160	327	308
Property and equipment	$ 1,722	$ 1,365	$ 1,722	$ 1,365