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Consolidated Balance Sheets (Parentheticals) (Unaudited) (USD $)
Dec. 24, 2011
Mar. 26, 2011
Common stock par value $ 0.01 $ 0.01
Common stock authorized 45,000,000 45,000,000
Common shares issued 36,830,215 36,038,664
Treasury stock 5,967,991 5,577,984
Preferred Class C [Member]
    
Preferred stock par value $ 1.50 $ 1.50
Preferred stock conversion value $ 0.064 $ 0.064
Preferred stock shares authorized 150,000 150,000
Preferred stock shares issued 32,500 32,500
Preferred stock shares outstanding 32,500 32,500