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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Sep. 30, 2019
Sep. 30, 2018
Statement of Financial Position [Abstract]    
Common stock, par value (in usd per share) $ 1.00 $ 1.00
Common Stock, Shares Authorized 200,000,000 200,000,000
Common Stock, Shares, Issued 47,997,366 41,939,403