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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Sep. 30, 2023
Dec. 31, 2022
Statement of Financial Position [Abstract]    
Preferred stock, shares authorized (in shares) 15,000,000 15,000,000
Preferred stock, par value (in dollars per share) $ 1 $ 1
Preferred stock, shares outstanding (in shares) 0 0
Common stock, shares authorized (in shares) 250,000,000 250,000,000
Common stock, par value (in dollars per share) $ 1 $ 1
Common stock, shares issued (in shares) 67,450,946 67,444,966
Treasury stock at cost (in shares) 14,670,996 14,442,386