SEGMENT REPORTING - Schedule of Segment Reporting Information by Segment (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 11, 2013	Jun. 12, 2012	Jun. 11, 2013	Jun. 12, 2012
Segment Reporting Information [Line Items]
Revenues	$ 60,359	$ 50,736	$ 120,162	$ 103,678
Restaurant-level EBITDA	13,990	12,525	27,919	25,931
Capital expenditures	5,006	8,579	10,230	12,429
Property and equipment	150,014	121,266	150,014	121,266
Del Frisco's [Member]
Segment Reporting Information [Line Items]
Revenues	32,615	27,777	64,900	56,100
Restaurant-level EBITDA	9,577	7,941	18,334	16,090
Capital expenditures	870	1,095	1,420	1,341
Property and equipment	71,762	57,760	71,762	57,760
Sullivan's [Member]
Segment Reporting Information [Line Items]
Revenues	18,186	18,699	38,084	39,294
Restaurant-level EBITDA	2,574	3,437	6,213	7,803
Capital expenditures	391	1,006	951	2,303
Property and equipment	43,168	43,689	43,168	43,689
Grille [Member]
Segment Reporting Information [Line Items]
Revenues	9,558	4,260
Restaurant-level EBITDA	1,839	1,147
Capital expenditures	3,728	6,363
Property and equipment	33,639	18,613	33,639	18,613
Corporate [Member]
Segment Reporting Information [Line Items]
Revenues
Restaurant-level EBITDA
Capital expenditures	17	115	47	144
Property and equipment	1,445	1,204	1,445	1,204
Other [Member]
Segment Reporting Information [Line Items]
Revenues			17,178	8,284
Restaurant-level EBITDA			3,372	2,038
Capital expenditures			7,812	8,641
Property and equipment	$ 33,639	$ 18,613	$ 33,639	$ 18,613