CONSOLIDATED CONDENSED STATMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Oct. 29, 2016	Oct. 24, 2015
Sales	$ 389,692	$ 389,529
Cost of sales	285,044	284,042
Gross profit	104,648	105,487
Operating and administrative expense	91,131	91,338
Depreciation and amortization	6,063	5,958
Operating income	7,454	8,191
Interest expense	(1,117)	(1,128)
Interest income	688	563
Income before income taxes	7,025	7,626
Income taxes	2,916	3,196
Net income	$ 4,109	$ 4,430
Common Class A [Member]
Net income per share:
Basic (in dollars per share)	$ 0.32	$ 0.35
Diluted (in dollars per share)	0.29	0.31
Common Class B [Member]
Net income per share:
Basic (in dollars per share)	0.21	0.23
Diluted (in dollars per share)	$ 0.21	$ 0.23