CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical)	Oct. 25, 2014	Jul. 26, 2014
Preferred stock shares authorized	10,000,000	10,000,000
Preferred stock shares issued	0	0
Common Class A [Member]
Common stock shares issued	10,150,000	10,147,000
Common stock shares authorized	20,000,000	20,000,000
Treasury shares	453,000	454,000
Common Class B [Member]
Common stock shares issued	4,361,000	4,361,000
Common stock shares authorized	20,000,000	20,000,000