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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares | Jun. 30, 2022 | Sep. 30, 2021
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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) | 96,160,232 | 95,709,662
Treasury stock at cost and other, shares (in shares) | 692,472 | 762,313

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