FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Jan. 31, 2012

Fair Value Disclosures [Abstract]

Schedule of financial assets and liabilities that are measured at fair value on a recurring basis

The following table presents, for each of these hierarchy levels, the Company’s financial assets and liabilities that are measured at fair value on a recurring basis as of January 31, 2012:

	Fair Value Measurements
	As of
	Jan 31, 2012		Level 1		Level 2		Level 3
Financial assets carried at fair value
Money market funds	$	3,662	$	3,662	$	—	$	—
Available-for-sale securities:
Equity securities	1,014		1,014		—		—
Debt securities:
Corporate	31,710		—		31,710		—
U.S. Treasury	9,694		—		9,694		—
Federal agency	28,962		—		28,962		—
Mortgage-backed	6,340		—		6,340		—
Municipal government	1,000		—		1,000		—
Derivative financial instruments:
Foreign exchange forward contracts	2,968		—		2,968		—
Financial liabilities carried at fair value
Derivative financial instruments:
Foreign exchange forward contracts	934		—		934		—

The following table presents, for each of these hierarchy levels, the Company’s financial assets and liabilities that are measured at fair value on a recurring basis as of July 31, 2011:

	Fair Value Measurements
	As of
	Jul 31, 2011		Level 1		Level 2		Level 3
Financial assets carried at fair value
Money market funds	$	4,575	$	4,575	$	—	$	—
Available-for-sale securities:
Equity securities	12,064		12,064		—		—
Debt securities:
Corporate	32,020		—		32,020		—
U.S. Treasury	10,210		—		10,210		—
Federal agency	29,404		—		29,404		—
Mortgage-backed	6,356		—		6,356		—
Municipal government	1,002		—		1,002		—
Derivative financial instruments:
Foreign exchange forward contracts	1,456		—		1,456		—
Financial liabilities carried at fair value
Derivative financial instruments:
Foreign exchange forward contracts	478		—		478		—