CONSOLIDATED CONDENSED BALANCE SHEETS PARENTHETICAL (USD $) In Thousands, unless otherwise specified	Apr. 27, 2013	Jul. 28, 2012
Preferred stock shares authorized	10,000	10,000
Preferred stock shares issued
Class A Common Stock
Common stock par value
Common stock shares issued	9,440	7,883
Common stock shares authorized	20,000	20,000
Treasury shares	404	461
Class B Common Stock
Common stock par value
Common stock shares issued	4,780	6,335
Common stock shares authorized	20,000	20,000
Common stock shares outstanding	4,780	6,335