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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 27, 2011
Dec. 28, 2010
Consolidated Balance Sheets    
Receivables, allowance for doubtful accounts (in dollars) $ 39 $ 222
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized 1,000,000 1,000,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 69,186,967 72,222,991
Common stock, shares outstanding 69,186,967 72,222,991