Fair Value of Financial Instruments (Tables)

6 Months Ended

Dec. 25, 2011

Fair Value Disclosures [Abstract]

Assets Measured at Fair Value

The following table sets forth financial instruments carried at fair value within the U.S. GAAP hierarchy and using the lowest level of input (in thousands):

	December 25, 2011								June 26, 2011
	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Assets:
Cash equivalents
Money market funds	$	5,711	$	—	$	—	$	5,711	$	7,386	$	—	$	—	$	7,386
Total cash equivalents	5,711		—		—		5,711		7,386		—		—		7,386
Short-term investments
Municipal bonds	—		199,341		—		199,341		—		395,398		—		395,398
Corporate bonds	—		169,492		—		169,492		—		209,438		—		209,438
Municipal variable rate demand notes	—		2,795		—		2,795		—		295		—		295
Certificates of deposit	—		68,004		—		68,004		—		10,015		—		10,015
Commercial paper	—		2,149		—		2,149		—		4,999		—		4,999
U.S. agency securities	—		72,803		—		72,803		—		68,049		—		68,049
Non-U.S. government securities	—		1,011		—		1,011		—		7,005		—		7,005
Total short-term investments	—		515,595		—		515,595		—		695,199		—		695,199
Total assets	$	5,711	$	515,595	$	—	$	521,306	$	7,386	$	695,199	$	—	$	702,585