Fair Value Of Financial Instruments (Reconciliation Of Major Classes of Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 29, 2012
Ending balance	$ (6,129)
Realized loss from write-down in fair value of auction rate securities	(702)
Redemption/sale of security	(20,354)
Transfers from Level 2 to Level 3	120
Increase in warrants valuation (unrealized loss)	(12,025)
Decrease in warrants valuation (unrealized gain)	15,638
Ending balance	(23,452)
Corporate Equity Securities [Member]
Ending balance	675
Redemption/sale of security	(50)
Ending balance	625
Municipal Obligations [Member]
Ending balance	21,006
Realized loss from write-down in fair value of auction rate securities	(702)
Redemption/sale of security	(20,304)
Corporate Obligations [Member]
Transfers from Level 2 to Level 3	120
Ending balance	120
Warrants [Member]
Ending balance	(27,810)
Increase in warrants valuation (unrealized loss)	(12,025)
Decrease in warrants valuation (unrealized gain)	15,638	15,759
Ending balance	$ (24,197)	$ (27,810)