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v3.25.2

Short-Term and Long-Term Debt - Narrative (Details) $ in Millions | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2025 USD ($) | Sep. 30, 2024 USD ($) | May 31, 2025 USD ($) | Apr. 01, 2025 USD ($) | Dec. 31, 2022 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Short-term debt | $ 846.0 | $ 771.0 |  |  |
Notes Payable to Banks | Senior Unsecured 364-Day Term Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount |  |  | $ 500.0 |  |
Notes Payable, Other Payables | Unsecured Revolving Credit Facility Expiring in 2027 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Existing unsecured revolving credit facility |  |  | $ 1,500.0 |  |
Existing unsecured revolving credit facility, interest rate | 5.45% |  |  |  |
EBITDA to interest ratio, minimum |  |  | 3.0 |  |
Commercial Paper |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Short-term debt | $ 260.0 | $ 657.0 |  |  |
Debt, weighted average interest rate | 4.51% | 5.14% |  |  |
Debt instrument, term | 11 days | 24 days |  |  |
Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  | $ 75.0
Short-term bank loans and notes payable | $ 70.0 | $ 70.0 |  |  |
Stated interest rate | 5.32% | 6.17% |  |  |
Interest Bearing Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Short-term debt | $ 14.0 | $ 42.0 |  | $ 14.0 |

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