CONSOLIDATED STATMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Oct. 26, 2019	Oct. 27, 2018
Sales	$ 407,402	$ 401,550
Cost of sales	293,856	289,437
Gross profit	113,546	112,113
Operating and administrative expense	103,140	96,293
Depreciation and amortization	7,438	6,898
Operating income	2,968	8,922
Interest expense	(567)	(1,116)
Interest income	1,259	1,178
Income before income taxes	3,660	8,984
Income taxes	1,093	2,715
Net income	$ 2,567	$ 6,269
Common Class A [Member]
Net income per share:
Basic (in dollars per share)	$ 0.20	$ 0.49
Diluted (in dollars per share)	0.18	0.43
Common Class B [Member]
Net income per share:
Basic (in dollars per share)	0.13	0.32
Diluted (in dollars per share)	$ 0.13	$ 0.32