Segment Reporting (Schedule Of Segment Reporting Information By Segment) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended						4 Months Ended		12 Months Ended
	Sep. 03, 2013	Jun. 11, 2013	Mar. 19, 2013	Sep. 04, 2012	Jun. 12, 2012	Mar. 20, 2012	Dec. 31, 2013	Dec. 25, 2012	Dec. 31, 2013	Dec. 25, 2012	Dec. 27, 2011
Segment Reporting Information [Line Items]
Revenues	$ 54,183	$ 60,359	$ 59,802	$ 47,887	$ 50,736	$ 52,943	$ 97,462	$ 80,869	$ 271,806	$ 232,435	$ 198,625
Restaurant-level EBITDA									62,109	56,517	47,325
Capital expenditures									31,326	33,635	20,063
Del Frisco's [Member]
Segment Reporting Information [Line Items]
Revenues									144,634	124,692	111,387
Restaurant-level EBITDA									41,451	35,993	31,277
Capital expenditures									3,234	13,922	6,777
Property and equipment							73,518	70,342	73,518	70,342	56,419
Sullivan's [Member]
Segment Reporting Information [Line Items]
Revenues									83,039	83,767	82,777
Restaurant-level EBITDA									12,881	15,721	15,611
Capital expenditures									2,847	3,521	2,924
Property and equipment							42,658	42,217	42,658	42,217	38,776
Grille [Member]
Segment Reporting Information [Line Items]
Revenues									44,133	23,976	4,461
Restaurant-level EBITDA									7,777	4,803	437
Capital expenditures									25,580	15,857	9,928
Property and equipment							51,402	25,828	51,402	25,828	9,972
Corporate [Member]
Segment Reporting Information [Line Items]
Capital expenditures									412	335	434
Property and equipment							1,809	1,417	1,809	1,417	1,069
Other [Member]
Segment Reporting Information [Line Items]
Revenues									271,806	232,435	198,625
Restaurant-level EBITDA									62,109	56,517	47,325
Capital expenditures									32,073	33,635	20,063
Property and equipment							$ 169,387	$ 139,804	$ 169,387	$ 139,804	$ 106,236