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v3.22.2.2

DERIVATIVE INSTRUMENTS - VOLUME (Details) - Bcf | 12 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021
Natural Gas Distribution | Long | Futures |  |
Derivative [Line Items] |  |
Notional amount | 30.5 | 22.2
Natural Gas Distribution | Long | Physical commodity contracts |  |
Derivative [Line Items] |  |
Notional amount | 6.8 | 7.6
Energy Services | Long | Physical commodity contracts |  |
Derivative [Line Items] |  |
Notional amount | 2.7 | 0.6
Energy Services | Short | Futures |  |
Derivative [Line Items] |  |
Notional amount | (0.7) | (13.4)
Energy Services | Short | Swaps |  |
Derivative [Line Items] |  |
Notional amount | 0 | (0.3)

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