Note 5 - Fair Value Measurements (Detail) - Non-recurring fair value measurements related to impaired property and equipment (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		8 Months Ended			9 Months Ended	8 Months Ended	9 Months Ended
	May 08, 2013	May 09, 2012	May 08, 2013	May 09, 2012	May 08, 2013 Company-Owned Asset (Member) Fair Value, Inputs, Level 3 [Member]	May 08, 2013 Company-Owned Asset (Member)	May 08, 2013 Corporate Assets [Member] Fair Value, Inputs, Level 3 [Member]	May 09, 2012 Corporate Assets [Member] Fair Value, Inputs, Level 3 [Member]	May 08, 2013 Corporate Assets [Member]	May 09, 2012 Corporate Assets [Member]	May 09, 2012 Culinary Contract Services [Member] Fair Value, Inputs, Level 3 [Member]	May 09, 2012 Culinary Contract Services [Member]
Continuing Operations
Balance						$ 65			$ 2,689	$ 1,875		$ 57
Level	(142)	(124)	1,421	(205)	65		2,689	1,875			57
Total Impairment						$ (203)			$ (533)	$ (510)		$ (175)