Note 12 - Income Taxes - Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2020 |
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Total income tax expense | $ 58.9 | $ 68.5 | $ 12.4 |
Spire Missouri [Member] | |||
Current | 0.0 | 0.0 | 0.0 |
Deferred | 18.2 | 22.0 | 14.9 |
Investment tax credits | (0.2) | (0.2) | (0.2) |
Current | 0.0 | 0.0 | 0.1 |
Deferred | 3.3 | 3.5 | 2.5 |
Total income tax expense | 21.3 | 25.3 | 17.3 |
Spire Alabama Inc [Member] | |||
Current | 0.0 | 0.0 | 0.0 |
Deferred | 18.1 | 19.8 | 17.4 |
Investment tax credits | 0.0 | 0.0 | 0.0 |
Current | 0.0 | 0.0 | 0.0 |
Deferred | 5.1 | 5.2 | 4.6 |
Total income tax expense | 23.2 | 25.0 | 22.0 |
Parent Company [Member] | |||
Current | 0.5 | 0.2 | 0.4 |
Deferred | 47.0 | 49.5 | 5.8 |
Investment tax credits | (0.2) | (0.2) | (0.2) |
Current | 0.5 | 1.3 | 3.0 |
Deferred | 11.1 | 17.7 | 3.4 |
Total income tax expense | $ 58.9 | $ 68.5 | $ 12.4 |
X | ||||||||||
- Definition Amount of tax (expense) benefit from continuing operations attributable to investment tax credit. No definition available.
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X | ||||||||||
- Definition Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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X | ||||||||||
- Definition Amount of current state and local tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current regional, territorial, and provincial tax expense (benefit) for non-US (United States of America) jurisdiction. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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X | ||||||||||
- Definition Amount of deferred federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, deferred national tax expense (benefit) for non-US (United States of America) jurisdiction. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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X | ||||||||||
- Definition Amount of deferred state and local tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, deferred regional, territorial, and provincial tax expense (benefit) for non-US (United States of America) jurisdiction. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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X | ||||||||||
- Details
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- Details
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