CONSOLIDATED CONDENSED STATMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Oct. 24, 2015	Oct. 25, 2014
Sales	$ 389,529	$ 379,744
Cost of sales	284,042	276,941
Gross profit	105,487	102,803
Operating and administrative expense	91,338	88,988
Depreciation and amortization	5,958	5,903
Operating income	8,191	7,912
Interest expense	(1,128)	(1,134)
Interest income	563	616
Income before income taxes	7,626	7,394
Income taxes	3,196	3,515
Net income	$ 4,430	$ 3,879
Common Class A [Member]
Net income per share:
Basic (in dollars per share)	$ 0.35	$ 0.31
Diluted (in dollars per share)	0.31	0.27
Common Class B [Member]
Net income per share:
Basic (in dollars per share)	0.23	0.20
Diluted (in dollars per share)	$ 0.23	$ 0.20