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Note 12 (Tables)
6 Months Ended
Jun. 23, 2012
Unrealized Gain (Loss) on Investments [Table Text Block]
   
Amortized
Cost
   
Gross
Unrealized
Gains
   
Gross
Unrealized
Losses
   
Fair
Market
Value
 
    (in thousands)  
US Government Agency Debt
  $ 53,479     $ 117     $ 38     $ 53,558  
Certificate of Deposit
    1,454       -       -       1,454  
    $ 54,933     $ 117     $ 38     $ 55,012  
   
Amortized
Cost
   
Gross
Unrealized
Gains
   
Gross
Unrealized
Losses
   
Fair
Market
Value
 
   
(in thousands)
 
US Government Agency Debt
  $ 42,000     $ 52     $ 62     $ 41,990  
FDIC Backed Corporate Debt
    8,015       18       -       8,033  
Certificate of Deposit
    17,491       1       -       17,492  
    $ 67,506     $ 71     $ 62     $ 67,515  
Investments Classified by Contractual Maturity Date [Table Text Block]
   
June 23, 2012
   
September 24, 2011
 
   
(in thousands)
 
   
Amortized
Cost
   
Fair
Market
Value
   
Amortized
Cost
   
Fair
Market
Value
 
                         
Due in one year or less
  $ 15,454     $ 15,454     $ 25,506     $ 25,525  
Due after one year through five years
    -       -       6,000       6,014  
Due after 5 years through 10 years
    39,479       39,558       36,000       35,976  
Due after 10 years through 15 years
    -       -       -       -  
Total held to maturity securities
  $ 54,933     $ 55,012     $ 67,506     $ 67,515  
Less current portion
    15,454       15,454       25,506       25,525  
Long term held to maturity securities
  $ 39,479     $ 39,558     $ 42,000     $ 41,990