XML 24 R8.htm IDEA: XBRL DOCUMENT v3.21.2
CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Jun. 30, 2021
Sep. 30, 2020
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 outstanding (in shares) 96,361,441 95,949,183
Treasury stock at cost and other, shares (in shares) 16,313 148,310