CONSOLIDATED CONDENSED STATMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Oct. 25, 2014	Oct. 26, 2013
Sales	$ 379,744	$ 357,046
Cost of sales	276,941	263,340
Gross profit	102,803	93,706
Operating and administrative expense	88,988	82,352
Depreciation and amortization	5,903	5,105
Operating income	7,912	6,249
Interest expense	(1,134)	(740)
Interest income	616	696
Income before income taxes	7,394	6,205
Income taxes	3,515	13,036
Net income (loss)	$ 3,879	$ (6,831)
Common Class A [Member]
Net income (loss) per share:
Basic (in dollars per share)	$ 0.31	$ (0.55)
Diluted (in dollars per share)	$ 0.27	$ (0.55)
Common Class B [Member]
Net income (loss) per share:
Basic (in dollars per share)	$ 0.20	$ (0.36)
Diluted (in dollars per share)	$ 0.20	$ (0.36)