CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Oct. 29, 2011	Oct. 30, 2010
Net sales	$ 1,217,428	$ 1,052,967
Cost of sales	1,000,315	860,635
Gross profit	217,113	192,332
Operating expenses	185,713	162,676
Restructuring and asset impairment expenses	5,345
Total operating expenses	191,058	162,676
Operating income	26,055	29,656
Other expense (income):
Interest expense	1,073	1,386
Interest income	(170)	(208)
Other, net	141	(53)
Total other expense (income)	1,044	1,125
Income before income taxes	25,011	28,531
Provision for income taxes	9,854	11,127
Net income	$ 15,157	$ 17,404
Basic per share data:
Net income (in dollars per share)	$ 0.31	$ 0.39
Weighted average basic shares of common stock outstanding (in shares)	48,594	44,771
Diluted per share data:
Net income (in dollars per share)	$ 0.31	$ 0.39
Weighted average diluted shares of common stock outstanding (in shares)	48,889	45,101