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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Share data, unless otherwise specified
Jan. 01, 2012
Jan. 02, 2011
Allowance for doubtful accounts $ 1,521 $ 1,300
Convertible Preferred Stock
    
Preferred stock, par value $ 100 $ 100
Preferred stock, shares authorized 50,000 50,000
Preferred stock, shares issued      
Nonconvertible Preferred Stock
    
Preferred stock, par value $ 100 $ 100
Preferred stock, shares authorized 50,000 50,000
Preferred stock, shares issued      
Preferred Stock [Member]
    
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 20,000,000 20,000,000
Preferred stock, shares issued      
Common Stock
    
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
Class B Common Stock
    
Common stock, par value $ 1.00 $ 1.00
Common stock, shares authorized 10,000,000 10,000,000
Common stock, shares issued 2,694,636 2,672,316
Treasury stock, shares 628,114 628,114
Class C Common Stock
    
Common stock, par value $ 1.00 $ 1.00
Common stock, shares authorized 20,000,000 20,000,000
Common stock, shares issued