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Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Jun. 30, 2012
Jun. 25, 2011
Jun. 26, 2010
Operating Leased Assets [Line Items]      
Rent expense under all leases $ 23,620 $ 21,099 $ 17,585
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
2013 21,782    
2014 16,624    
2015 10,770    
2016 3,962    
2017 2,524    
Thereafter 3,265    
Auction Rate Securities [Member]
     
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]      
Auction rate securities total par value $ 18,000