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Stockholder's Equity (Details Textual)
 12 Months Ended
Sep. 29, 2012
Directors
Maximum [Member]
  
Stockholders' Equity (Textual) [Abstract]  
Number of directors set by board of directors 11
Minimum [Member]
  
Stockholders' Equity (Textual) [Abstract]  
Number of directors set by board of directors 5
Class A Common Stock [Member]
  
Stockholders' Equity (Textual) [Abstract]  
Percentage of cash dividend or liquidation payment based on Class B common stock 110.00%
Number of votes per share held by common stock holders 1
Percentage of directors to be elected by holders of common stock 25.00%
Class B Common Stock [Member]
  
Stockholders' Equity (Textual) [Abstract]  
Number of votes per share held by common stock holders 10
Minimum percentage of outstanding common stock of both classes represented by common stock 12.50%