FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Jan. 31, 2013

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, 2013:

	Fair Value Measurements
	As of
	Jan 31, 2013		Level 1		Level 2		Level 3
Financial assets carried at fair value
Money market funds	$	5,380	$	5,380	$	—	$	—
Available-for-sale securities:
Equity securities	173		173		—		—
Debt securities:
Corporate	32,098		—		32,098		—
U.S. Treasury	8,966		—		8,966		—
Federal Agency	25,141		—		25,141		—
Mortgage-backed	6,136		—		6,136		—
Municipal government	1,002		—		1,002		—
Derivative financial instruments:
Foreign exchange forward contracts	2,551		—		2,551		—
Financial liabilities carried at fair value
Derivative financial instruments:
Foreign exchange forward contracts	5,504		—		5,504		—

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, 2012:

	Fair Value Measurements
	As of
	Jul 31, 2012		Level 1		Level 2		Level 3
Financial assets carried at fair value
Money market funds	$	4,684	$	4,684	$	—	$	—
Available-for-sale securities:
Equity securities	206		206		—		—
Debt securities:
Corporate	32,378		—		32,378		—
U.S. Treasury	8,610		—		8,610		—
Federal Agency	27,231		—		27,231		—
Mortgage-backed	6,392		—		6,392		—
Municipal government	1,004		—		1,004		—
Derivative financial instruments:
Foreign exchange forward contracts	3,778		—		3,778		—
Financial liabilities carried at fair value
Derivative financial instruments:
Foreign exchange forward contracts	1,457		—		1,457		—