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Common Stock (Narrative) (Details)
12 Months Ended
Sep. 28, 2012
Class of Stock [Line Items]  
Percentage of Class Dividends on Class A Common Stock Relative to Class B Common Stock 110.00%
Ratio of Class B Common Stock Convertible to Class A Common Stock 1
Shares converted 84
Class A [Member]
 
Class of Stock [Line Items]  
Percentage of Members of the Board Elected by Class of Stock 25.00%
Vote Per Share Owned by Class of Stock 1
Class B [Member]
 
Class of Stock [Line Items]  
Percentage of Members of the Board Elected by Class of Stock 75.00%
Vote Per Share Owned by Class of Stock 10