Cash Equivalents and Marketable Securities (Tables)

9 Months Ended

Apr. 27, 2013

Aggregate Cash and Cash Equivalents, Short and Long Term Investments

As of April 27, 2013 and July 31, 2012, aggregate cash and cash equivalents and short and long term investments consisted of (in thousands):

April 27, 2013:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair  Market Value
Cash and cash equivalents	$	20,614	$	—	$	—	$	20,614
Government securities		—		—		—		—
Total	$	20,614	$	—	$	—	$	20,614

July 31, 2012:

	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair  Market Value
Cash and cash equivalents	$	136,654	$	—	$	—		$	136,654
Government securities		302,695		66		(22	)		302,739
Total	$	439,349	$	66	$	(22	)	$	439,393