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v3.20.2

Notes Payable and Credit Agreements (Tables) | 12 Months Ended
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Sep. 30, 2020
Short Term Borrowings [Abstract] |
Schedule of Spire Missouri and Alabama Short-term Borrowings | Information about Spire’s consolidated short-term borrowings and about Spire Missouri’s and Spire Alabama’s borrowings from Spire is presented in the following table. As of September 30, 2020, $449.8 of Spire’s short-term borrowings were used to support lending to the Utilities.
|  | Spire (Parent Only) |  |  | Spire Missouri |  |  | Spire Alabama |  |  | Spire |
|  | Credit |  |  | Term |  |  | CP |  |  | Credit |  |  | Spire |  |  | Credit |  |  | Spire |  |  | Consol- |
|  | Facility |  |  | Loan |  |  | Program |  |  | Facility |  |  | Note |  |  | Facility |  |  | Note |  |  | idated |
Year Ended September 30, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average borrowings |  | $ | 0.1 |  |  | $ | 77.5 |  |  | $ | 476.1 |  |  | $ | 17.9 |  |  | $ | 242.0 |  |  | $ | 4.6 |  |  | $ | 89.0 |  |  | $ | 576.2 |
Lowest borrowings outstanding |  |  | — |  |  |  | — |  |  |  | 73.5 |  |  |  | — |  |  |  | 16.0 |  |  |  | — |  |  |  | 18.5 |  |  |  | 432.6 |
Highest borrowings outstanding |  |  | 23.1 |  |  |  | 150.0 |  |  |  | 856.6 |  |  |  | 185.1 |  |  |  | 429.5 |  |  |  | 50.0 |  |  |  | 161.3 |  |  |  | 856.6 |
Weighted average interest rate |  |  | 1.9 | % |  |  | 1.6 | % |  |  | 1.7 | % |  |  | 1.9 | % |  |  | 1.5 | % |  |  | 1.9 | % |  |  | 1.4 | % |  |  | 1.7 | %
As of September 30, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings outstanding |  | $ | — |  |  | $ | 150.0 |  |  | $ | 498.0 |  |  | $ | — |  |  | $ | 301.2 |  |  | $ | — |  |  | $ | 121.3 |  |  | $ | 648.0 |
Weighted average interest rate |  | n/a |  |  |  | 1.1 | % |  |  | 0.2 | % |  | n/a |  |  |  | 0.2 | % |  | n/a |  |  |  | 0.2 | % |  |  | 0.6 | %
As of September 30, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings outstanding |  | $ | — |  |  | $ | — |  |  | $ | 743.2 |  |  | $ | — |  |  | $ | 386.4 |  |  | $ | — |  |  | $ | 128.7 |  |  | $ | 743.2 |
Weighted average interest rate |  | n/a |  |  | n/a |  |  |  | 2.3 | % |  | n/a |  |  |  | 2.3 | % |  | n/a |  |  |  | 2.3 | % |  |  | 2.3 | %

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- References No definition available. + Details
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