Segment Reporting (Schedule Of Segment Reporting Information By Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		8 Months Ended
	Sep. 08, 2015	Sep. 09, 2014	Sep. 08, 2015	Sep. 09, 2014
Segment Reporting Information [Line Items]
Revenues	$ 68,629	$ 61,949	$ 217,507	$ 195,957
Restaurant-level EBITDA	12,338	11,800	45,954	42,248
Capital expenditures			40,510	33,037
Del Frisco's [Member]
Segment Reporting Information [Line Items]
Revenues	33,059	30,803	106,255	97,233
Restaurant-level EBITDA	8,041	8,126	29,492	27,236
Capital expenditures	4,923	10,379	10,570	17,154
Property and equipment	103,432	90,592	103,432	90,592
Sullivan's [Member]
Segment Reporting Information [Line Items]
Revenues	15,650	16,067	52,966	53,523
Restaurant-level EBITDA	1,769	1,799	8,032	7,918
Capital expenditures	1,768	512	3,146	2,893
Property and equipment	47,081	45,342	47,081	45,342
Grille [Member]
Segment Reporting Information [Line Items]
Revenues	19,920	15,079	58,286	45,201
Restaurant-level EBITDA	2,528	1,875	8,430	7,094
Capital expenditures	12,501	5,776	24,978	13,426
Property and equipment	93,705	64,810	93,705	64,810
Corporate [Member]
Segment Reporting Information [Line Items]
Capital expenditures	38	43	156	314
Property and equipment	2,381	2,084	2,381	2,084
Other [Member]
Segment Reporting Information [Line Items]
Revenues	68,629	61,949	217,507	195,957
Restaurant-level EBITDA	12,338	11,800	45,954	42,248
Capital expenditures	19,230	16,710	38,850	33,787
Property and equipment	$ 246,599	$ 202,828	$ 246,599	$ 202,828