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Consolidated Balance Sheets (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Consolidated Balance Sheets [Abstract]    
Common Stock, par value $ 1.00 $ 1.00
Common Stock, shares authorized 100,000 100,000
Common Stock, shares issued 25,413 25,413
Common Stock, shares outstanding 23,405 24,881
Treasury stock, par value $ 1.00 $ 1.00
Treasury stock, shares 2,008 532