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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Jun. 30, 2014
Dec. 31, 2013
Statement of Financial Position [Abstract]    
Common stock, par value (usd per share) $ 1 $ 1
Common Stock, Shares Authorized 100,000,000 100,000,000
Common Stock, Shares, Issued 49,189,702 49,189,702
Common Stock, Shares, Outstanding 48,134,633 47,638,835
Treasury Stock, Shares 1,055,069 1,550,867