v3.26.1
CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
 9 Months Ended 12 Months Ended
Jun. 30, 2026
Sep. 30, 2025
Statement of Financial Position [Abstract]    
Common stock, par value (usd per share) $ 2.50 $ 2.50
Common stock, shares authorized (in shares) 150,000,000 150,000,000
Common Stock Shares Issued Not Disclosed true true
Common stock, shares outstanding (in shares) 101,410,957 100,478,590
Treasury stock at cost and other, shares (in shares) 18,922 17,273