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CONSOLIDATED BALANCE SHEETS (PARENTHETICAL) - $ / shares
Mar. 31, 2020
Dec. 31, 2019
Statement of Financial Position [Abstract]    
Preferred stock, par value $ 0.10 $ 0.10
Preferred stock, authorized 50,000,000 50,000,000
Preferred stock, issued 0 0
Common stock, par value $ 0.10 $ 0.10
Common stock, authorized 500,000,000 500,000,000
Common stock, issued 126,695,171 126,695,171
Common stock, oustanding 126,626,938 126,085,348
Treasury stock 68,233 609,823