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Fair Value Measurements (Details) (Fair Value, Measurements, Recurring [Member], USD $)
In Thousands, unless otherwise specified
Sep. 01, 2012
Jun. 02, 2012
Level 1 [Member]
   
Investments measured at fair value on a recurring basis    
Time deposits/CDs $ 109,291 $ 115,318
Equity securities 398 374
Fair value, Total 109,689 115,692
Level 2 [Member]
   
Investments measured at fair value on a recurring basis    
Time deposits/CDs      
Equity securities      
Fair value, Total      
Level 3 [Member]
   
Investments measured at fair value on a recurring basis    
Time deposits/CDs      
Equity securities      
Fair value, Total