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Long-term and Short-term Debt (Tables) | 12 Months Ended
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Sep. 30, 2024
Debt Disclosure [Abstract] |
Schedule of Debt | Long-term debt consists of (in millions):
|  | September 30,
|  | 2024 |  | 2023
2.875% notes, payable in March 2025 |  | $ | 301.9 |  |  | $ | 306.4 |
6.70% debentures, payable in January 2028 |  | 250.0 |  |  | 250.0 |
3.50% notes, payable in March 2029 |  | 425.0 |  |  | 425.0 |
1.75% notes, payable in August 2031 |  | 450.0 |  |  | 450.0 |
6.25% debentures, payable in December 2037 |  | 250.0 |  |  | 250.0 |
4.20% notes, payable in March 2049 |  | 575.0 |  |  | 575.0 |
2.80% notes, payable in August 2061 |  | 450.0 |  |  | 450.0 |
5.20% debentures, payable in January 2098 |  | 200.0 |  |  | 200.0 |
Unamortized discount, capitalized lease obligations and other |  | (33.2) |  |  | (34.9) |
Total debt |  | 2,868.7 |  |  | 2,871.5 |
Less: Current portion |  | (307.4) |  |  | (8.6) |
Long-term debt |  | $ | 2,561.3 |  |  | $ | 2,862.9 |
Schedule of Fair Value of Long-term Debt | The following table presents the carrying amounts and estimated fair values of Long-term debt in the Consolidated Balance Sheet (in millions):
|  | September 30, 2024 |  | September 30, 2023
|  | Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value
Current portion of long-term debt |  | $ | 307.4 |  |  | $ | 305.0 |  |  | $ | 8.6 |  |  | $ | 8.6 |
Long-term debt |  | 2,561.3 |  |  | 2,333.5 |  |  | 2,862.9 |  |  | 2,442.6 |

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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482907/825-10-50-11 + Details
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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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