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Financial Instruments (Phantom) Document (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Jun. 25, 2011
Schedule of Available-for-sale Securities [Line Items]    
Amortized Cost Basis $ 75,007 $ 49,826
Gross Unrealized Gains 319 520
Gross Unrealized Losses 0 0
Fair Value Disclosure $ 75,326 $ 50,346