Employee Stock Plans (Tables)

9 Months Ended

Apr. 30, 2011

Employee Stock Plans

Summary of Share-Based Compensation Expense

	Three Months Ended				Nine Months Ended
	April 30, 2011		May 1, 2010		April 30, 2011		May 1, 2010
Cost of sales – product	$	16	$	16	$	47	$	43
Cost of sales – service		44		47		135		121
Share-based compensation expense in cost of sales		60		63		182		164
Research and development		120		129		373		336
Sales and marketing		160		171		491		444
General and administrative		60		71		191		182
Share-based compensation expense in operating expenses		340		371		1,055		962
Total share-based compensation expense	$	400	$	434	$	1,237	$	1,126

Summary of Share-Based Awards Available for Grant

	Share- Based Awards Available for Grant
BALANCE AT JULY 25, 2009		253
Options granted and assumed		(15	)
Restricted stock, stock units, and other share-based awards granted and assumed		(81	)
Share-based awards canceled/forfeited/expired		123
Additional shares reserved		15
BALANCE AT JULY 31, 2010		295
Restricted stock, stock units, and other share-based awards granted and assumed		(72	)
Share-based awards canceled/forfeited/expired		26
Additional shares reserved		2
BALANCE AT APRIL 30, 2011		251

Summary of Restricted Stock and Stock Unit Activity

	Restricted Stock/Stock Units			Weighted- Average  Grant Date Fair Value per Share		Aggregated Fair Market Value
BALANCE AT JULY 25, 2009		62		$	21.25
Granted and assumed		54			23.40
Vested		(16	)		21.56	$	378
Canceled/forfeited		(3	)		22.40
BALANCE AT JULY 31, 2010		97		$	22.35
Granted and assumed		48			21.68
Vested		(22	)		23.02	$	437
Canceled/forfeited		(5	)		22.17
BALANCE AT APRIL 30, 2011		118		$	21.96

Summary of Stock Option Activity

	STOCK OPTIONS OUTSTANDING
	Number Outstanding			Weighted- Average Exercise Price per Share
BALANCE AT JULY 25, 2009		1,004		$	24.29
Granted and assumed		15			13.23
Exercised		(158	)		17.88
Canceled/forfeited/expired		(129	)		47.31
BALANCE AT JULY 31, 2010		732			21.39
Exercised		(73	)		17.04
Canceled/forfeited/expired		(22	)		26.03
BALANCE AT APRIL 30, 2011		637		$	21.73

Summary of Significant Ranges of Outstanding and Exercisable Stock Options

	STOCK OPTIONS OUTSTANDING								STOCK OPTIONS EXERCISABLE
Range of Exercise Prices	Number Outstanding		Weighted- Average Remaining Contractual Life (in Years)		Weighted- Average Exercise Price per Share		Aggregate Intrinsic Value		Number Exercisable		Weighted- Average Exercise Price per Share		Aggregate Intrinsic Value
$  0.01 – 15.00		62		1.81	$	10.64	$	429		59	$	10.79	$	395
15.01 – 18.00		100		3.23		17.69		11		99		17.70		11
18.01 – 20.00		169		2.16		19.29		—		167		19.29		—
20.01 – 25.00		155		4.12		22.75		—		139		22.75		—
25.01 – 35.00		151		5.31		30.63		—		111		30.58		—
Total		637		3.51	$	21.73	$	440		575	$	21.18	$	406