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CONSOLIDATED BALANCE SHEETS [Parenthetical] (USD $)
Sep. 30, 2011
Dec. 31, 2010
Preferred stock, par value (in dollars per share)$ 0.50$ 0.50
Preferred stock, shares authorized2,000,0002,000,000
Preferred stock, shares Issued00
Common Stock, par value (in dollars per share)$ 0.50$ 0.50
Common Stock, shares authorized20,000,00020,000,000
Common Stock, shares issued9,949,3249,949,324
Treasury stock, shares533,767561,533