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Consolidated Balance Sheets (PARENTHETICAL) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Statement of Financial Position [Abstract]    
Preferred stock, par value $ 0.1 $ 0.1
Preferred stock, authorized 50,000,000 50,000,000
Preferred stock, issued 0 0
Common stock, par value $ 0.1 $ 0.1
Common stock, authorized 500,000,000 500,000,000
Common stock, issued 109,695,171 109,695,171
Common stock, oustanding 107,983,360 107,398,963
Treasury Stock 1,711,811 2,296,208