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Condensed Consolidated Balance Sheets (Parenthetical) (USD $)
Dec. 28, 2013
Sep. 28, 2013
Preferred stock, par value $ 0.05 $ 0.05
Preferred stock, shares authorized 10,000,000 10,000,000
Preferred stock, shares issued 0 0
Class A Common Stock [Member]
    
Common stock, par value $ 0.05 $ 0.05
Common stock, shares authorized 150,000,000 150,000,000
Common stock, shares issued 13,440,637 13,437,975
Common stock, shares outstanding 13,440,637 13,437,975
Class B Common Stock [Member]
    
Common stock, par value $ 0.05 $ 0.05
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 9,319,139 9,321,801
Common stock, shares outstanding 9,319,139 9,321,801