Fair Value Measurements (Tables)

3 Months Ended

Oct. 27, 2012

Assets and Liabilities Fair Value Measurements on Recurring Basis

Assets and liabilities of the Company measured at fair value on a recurring basis as of October 27, 2012, are summarized as follows (in thousands):

			Fair Value Measurements at Reporting Date Using
Description	October 27, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Cash and Cash Equivalents	$	105,608	$	105,608	$	—	$	—
Government Obligations		39,938		39,938		—		—
Total assets	$	145,546	$	145,546	$	—	$	—

Assets and liabilities of the Company measured at fair value on a recurring basis as of July 31, 2012, are summarized as follows (in thousands):

			Fair Value Measurements at Reporting Date Using
Description	July 31, 2012		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Assets
Cash and Cash Equivalents	$	136,654	$	136,654	$	—	$	—
Government Obligations		302,739		302,739		—		—
Total assets	$	439,393	$	439,393	$	—	$	—