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Consolidated Balance Sheets (PARENTHETICAL) - $ / shares
Dec. 31, 2015
Dec. 31, 2014
Statement of Financial Position [Abstract]    
Preferred stock, par value $ 0.10 $ 0.1
Preferred stock, authorized 50,000,000 50,000,000
Preferred stock, issued 0 0
Common stock, par value $ 0.10 $ 0.1
Common stock, authorized 500,000,000 500,000,000
Common stock, issued 109,695,171 109,695,171
Common stock, oustanding 109,174,882 108,710,914
Treasury Stock 520,289 984,257