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Note 7 - Notes Payable and Credit Agreements (Tables) | 12 Months Ended
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Sep. 30, 2023
Notes Tables |
Schedule of Short-Term Debt [Table Text Block] |
|  | Spire |  |  | Spire |  |  | Spire |  |  |  |  |
|  | (Parent Only) |  |  | Missouri |  |  | Alabama |  |  | Spire |
|  | CP |  |  | Term |  |  | Spire |  |  | Spire |  |  | Consol- |
|  | Program |  |  | Loan |  |  | Note |  |  | Note |  |  | idated |
Year Ended September 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Highest borrowings outstanding |  | $ | 1,282.0 |  |  | $ | 250.0 |  |  | $ | 656.9 |  |  | $ | 274.0 |  |  | $ | 1,482.0 |
Lowest borrowings outstanding |  |  | 354.4 |  |  |  | — |  |  |  | 3.8 |  |  |  | 76.7 |  |  |  | 489.0 |
Weighted average borrowings |  |  | 776.3 |  |  |  | 66.8 |  |  |  | 327.9 |  |  |  | 119.1 |  |  |  | 843.1 |
Weighted average interest rate |  |  | 5.0 | % |  |  | 5.5 | % |  |  | 4.9 | % |  |  | 4.9 | % |  |  | 5.0 | %
As of September 30, 2023 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings outstanding |  | $ | 955.5 |  |  | $ | — |  |  | $ | 540.6 |  |  | $ | 124.1 |  |  | $ | 955.5 |
Weighted average interest rate |  |  | 5.6 | % |  |  | 0.0 | % |  |  | 5.6 | % |  |  | 5.6 | % |  |  | 5.6 | %
As of September 30, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings outstanding |  | $ | 1,037.5 |  |  | $ | — |  |  | $ | 445.3 |  |  | $ | 260.9 |  |  | $ | 1,037.5 |
Weighted average interest rate |  |  | 3.3 | % |  |  | 0.0 | % |  |  | 3.3 | % |  |  | 3.3 | % |  |  | 3.3 | %

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- Definition Tabular disclosure of short-term debt arrangements (having initial terms of repayment within one year or the normal operating cycle, if longer) including: (1) description of the short-term debt arrangement; (2) identification of the lender or type of lender; (3) repayment terms; (4) weighted average interest rate; (5) carrying amount of funds borrowed under the specified short-term debt arrangement as of the balance sheet date; (6) description of the refinancing of a short-term obligation when that obligation is excluded from current liabilities in the balance sheet; and (7) amount of a short-term obligation that has been excluded from current liabilities in the balance sheet because of a refinancing of the obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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- References No definition available. + Details
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