Consolidated Balance Sheets (unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Feb. 23, 2013	Aug. 25, 2012
Receivable reserves (in Dollars)	$ 6,912	$ 5,152	[1]
Preferred stock par value (in Dollars per share)	$ 1.00	$ 1.00	[1]
Preferred stock, shares authorized	2,000,000	2,000,000	[1]
Preferred stock, shares issued	0	0	[1]
Preferred stock, shares outstanding	0	0	[1]
Common Class A [Member]
Common stock par value (in Dollars per share)	$ 0.10	$ 0.10	[1]
Common stock, shares authorized	30,000,000	30,000,000	[1]
Common stock, shares issued	15,124,559	15,064,069	[1]
Common stock, shares outstanding	15,124,559	15,064,069	[1]
Common Class B [Member]
Common stock par value (in Dollars per share)	$ 0.10	$ 0.10	[1]
Common stock, shares authorized	20,000,000	20,000,000	[1]
Common stock, shares issued	4,885,277	4,885,277	[1]
Common stock, shares outstanding	4,885,277	4,885,277	[1]

[1] Derived from audited financial statements.