CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jul. 27, 2013	Jul. 28, 2012	Jul. 30, 2011
Revenue
Sales	$ 1,476,457	$ 1,422,243	$ 1,298,928
Cost of sales	1,078,696	1,033,416	948,769
Gross profit	397,761	388,827	350,159
Operating and administrative expense	333,230	313,516	293,222
Depreciation and amortization	20,354	19,759	18,621
Operating income	44,177	55,552	38,316
Income from partnerships	1,450
Interest expense	(3,771)	(4,415)	(4,280)
Interest income	2,783	2,571	2,207
Income before income taxes	44,639	53,708	36,243
Income taxes	18,855	22,263	15,261
Net income	$ 25,784	$ 31,445	$ 20,982
Class A Common Stock
Revenue
Basic net income per share	$ 2.18	$ 2.74	$ 1.86
Diluted net income per share	$ 1.85	$ 2.28	$ 1.54
Class B Common Stock
Revenue
Basic net income per share	$ 1.36	$ 1.78	$ 1.21
Diluted net income per share	$ 1.36	$ 1.77	$ 1.21