CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jul. 28, 2012	Jul. 30, 2011	Jul. 31, 2010
Net sales	$ 5,236,021	$ 4,530,015	$ 3,757,139
Cost of sales	4,320,018	3,705,205	3,060,208
Gross profit	916,003	824,810	696,931
Operating expenses	755,744	688,859	582,029
Restructuring and asset impairment expenses	5,101	6,270
Total operating expenses	760,845	695,129	582,029
Operating income	155,158	129,681	114,902
Other expense (income):
Interest expense	4,734	5,000	5,845
Interest income	(715)	(1,226)	(247)
Other, net	356	(528)	(2,698)
Total other expense	4,375	3,246	2,900
Income before income taxes	150,783	126,435	112,002
Provision for income taxes	59,441	49,762	43,681
Net income	$ 91,342	$ 76,673	$ 68,321
Basic per share data:
Net income (in dollars per share)	$ 1.87	$ 1.62	$ 1.58
Weighted average basic shares of common stock	48,766	47,459	43,184
Diluted per share data:
Net income (in dollars per share)	$ 1.86	$ 1.60	$ 1.57
Weighted average diluted shares of common stock	49,100	47,815	43,425