CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares |
6 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2026 |
Sep. 30, 2025 |
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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 |
| CommonStockSharesIssuedNotDisclosed | true | true |
| Common stock, shares outstanding (in shares) | 100,861,916 | 100,478,590 |
| Treasury stock at cost and other, shares (in shares) | 18,922 | 17,273 |
| X | ||||||||||
- Definition CommonStockSharesIssuedNotDisclosed No definition available.
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- Definition Face amount or stated value per share of common stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Number of previously issued common shares repurchased by the issuing entity and held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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