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DERIVATIVE INSTRUMENTS - BALANCE SHEET RELATED DISCLOSURES (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Sep. 30, 2022
--- | --- | ---
Fair Value |  |
Derivative assets, current | $ 32,127 | $ 24,635
Derivative liability, current | 17,563 | 49,848
Derivative assets, noncurrent | 1,864 | 6,385
Derivative liabilities, noncurrent | 13,257 | 14,191
Not Designated as Hedging Instrument |  |
Fair Value |  |
Derivative assets | 33,991 | 31,020
Derivative liabilities | 30,820 | 64,039
Natural Gas Distribution | Not Designated as Hedging Instrument | Physical commodity contracts |  |
Fair Value |  |
Derivative assets, current | 61 | 252
Derivative liability, current | 5 | 11
Natural Gas Distribution | Not Designated as Hedging Instrument | Financial commodity contracts |  |
Fair Value |  |
Derivative assets, current | 6,714 | 85
Derivative liability, current | 188 | 6,281
Energy Services | Not Designated as Hedging Instrument | Physical commodity contracts |  |
Fair Value |  |
Derivative assets, current | 6,547 | 9,857
Derivative liability, current | 13,079 | 17,051
Derivative assets, noncurrent | 679 | 376
Derivative liabilities, noncurrent | 13,136 | 13,561
Energy Services | Not Designated as Hedging Instrument | Financial commodity contracts |  |
Fair Value |  |
Derivative assets, current | 18,805 | 14,423
Derivative liability, current | 4,291 | 26,488
Derivative assets, noncurrent | 1,185 | 6,009
Derivative liabilities, noncurrent | 121 | 630
Energy Services | Not Designated as Hedging Instrument | Foreign currency contracts |  |
Fair Value |  |
Derivative assets, current | 0 | 18
Derivative liability, current | $ 0 | $ 17

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