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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 29, 2013
Dec. 30, 2012
Allowance for doubtful accounts $ 1,401 $ 1,490
Preferred Stock, par value $ 0.01 $ 0.01
Preferred Stock, shares authorized 20,000,000 20,000,000
Preferred Stock, shares issued 0 0
Common stock, par value $ 1.00 $ 1.00
Common stock, shares authorized 30,000,000 30,000,000
Common stock, shares issued 10,203,821 10,203,821
Treasury stock, shares 3,062,374 3,062,374
Convertible Preferred Stock [Member]
    
Preferred Stock, par value $ 100 $ 100
Preferred Stock, shares authorized 50,000 50,000
Preferred Stock, shares issued 0 0
Nonconvertible Preferred Stock [Member]
    
Preferred Stock, par value $ 100 $ 100
Preferred Stock, shares authorized 50,000 50,000
Preferred Stock, shares issued 0 0
Class B Common Stock [Member]
    
Common stock, par value $ 1.00 $ 1.00
Common stock, shares authorized 10,000,000 10,000,000
Common stock, shares issued 2,737,076 2,716,956
Treasury stock, shares 628,114 628,114
Class C Common Stock [Member]
    
Common stock, par value $ 1.00 $ 1.00
Common stock, shares authorized 20,000,000 20,000,000
Common stock, shares issued 0 0