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DERIVATIVE INSTRUMENTS - OFFSETTING OF ASSETS AND LIABILITIES (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Sep. 30, 2019
--- | --- | ---
Energy Services |  |
Derivative assets: |  |
Amounts Presented on the Balance Sheets | $ 26,510 | $ 32,080
Offsetting Derivative Instruments | (17,982) | (22,553)
Financial Collateral Received/Pledged | (200) | (200)
Net Amounts | 8,328 | 9,327
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 46,859 | 75,629
Offsetting Derivative Instruments | (17,982) | (22,553)
Financial Collateral Received/Pledged | 0 | (15,516)
Net Amounts | 28,877 | 37,560
Energy Services | Physical commodity contracts |  |
Derivative assets: |  |
Amounts Presented on the Balance Sheets | 7,718 | 8,557
Offsetting Derivative Instruments | (3,587) | (2,906)
Financial Collateral Received/Pledged | (200) | (200)
Net Amounts | 3,931 | 5,451
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 32,441 | 40,181
Offsetting Derivative Instruments | (3,587) | (2,906)
Financial Collateral Received/Pledged | 0 | 0
Net Amounts | 28,854 | 37,275
Energy Services | Financial commodity contracts |  |
Derivative assets: |  |
Amounts Presented on the Balance Sheets | 18,708 | 23,522
Offsetting Derivative Instruments | (14,311) | (19,646)
Financial Collateral Received/Pledged | 0 | 0
Net Amounts | 4,397 | 3,876
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 14,311 | 35,162
Offsetting Derivative Instruments | (14,311) | (19,646)
Financial Collateral Received/Pledged | 0 | (15,516)
Net Amounts | 0 | 0
Energy Services | Foreign currency contracts |  |
Derivative assets: |  |
Amounts Presented on the Balance Sheets | 84 | 1
Offsetting Derivative Instruments | (84) | (1)
Financial Collateral Received/Pledged | 0 | 0
Net Amounts | 0 | 0
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 107 | 286
Offsetting Derivative Instruments | (84) | (1)
Financial Collateral Received/Pledged | 0 | 0
Net Amounts | 23 | 285
Natural Gas Distribution |  |
Derivative assets: |  |
Amounts Presented on the Balance Sheets | 149 | 449
Offsetting Derivative Instruments | (136) | (391)
Financial Collateral Received/Pledged | 0 | 0
Net Amounts | 13 | 58
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 358 | 815
Offsetting Derivative Instruments | (136) | (391)
Financial Collateral Received/Pledged | 0 | (188)
Net Amounts | 222 | 236
Natural Gas Distribution | Physical commodity contracts |  |
Derivative assets: |  |
Amounts Presented on the Balance Sheets | 78 | 67
Offsetting Derivative Instruments | (65) | (9)
Financial Collateral Received/Pledged | 0 | 0
Net Amounts | 13 | 58
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 76 | 245
Offsetting Derivative Instruments | (65) | (9)
Financial Collateral Received/Pledged | 0 | 0
Net Amounts | 11 | 236
Natural Gas Distribution | Financial commodity contracts |  |
Derivative assets: |  |
Amounts Presented on the Balance Sheets | 71 | 382
Offsetting Derivative Instruments | (71) | (382)
Financial Collateral Received/Pledged | 0 |
Net Amounts | 0 | 0
Derivative liabilities: |  |
Amounts Presented in Balance Sheets | 282 | 570
Offsetting Derivative Instruments | (71) | (382)
Financial Collateral Received/Pledged | 0 | (188)
Net Amounts | $ 211 | $ 0

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