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ASSET RETIREMENT OBLIGATIONS (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2018 | Sep. 30, 2017
Estimated Accretion |  |
2018 | $ 1,557 |
2019 | 1,627 |
2020 | 1,702 |
2021 | 1,778 |
2022 | 1,863 |
Total | 8,527 |
Natural Gas Distribution |  |
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |
Balance at period beginning | 24,825 | $ 23,521
Accretion | 1,366 | 1,304
Additions | 1,880 | 729
Revisions in estimated cash flows | (2,133) | (245)
Retirements | (298) | (484)
Reclassification to held for sale or sold | 0 | 0
Balance at period end | 25,640 | 24,825
Clean Energy Ventures |  |
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |
Balance at period beginning | 6,595 | 4,858
Accretion | 198 | 245
Additions | 517 | 1,492
Revisions in estimated cash flows | 0 | 0
Retirements | 0 | 0
Reclassification to held for sale or sold | (4,262) | 0
Balance at period end | $ 3,048 | $ 6,595

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- Definition Asset Retirement Obligation, Reclassification to Held For Sale + References No definition available. + Details
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- Definition Future Accretion associated with an asset retirement obligation + References No definition available. + Details
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- Definition The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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- Definition Amount of accretion expense recognized during the period that is associated with an asset retirement obligation. Accretion expense measures and incorporates changes due to the passage of time into the carrying amount of the liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392676&loc=d3e7480-110848 + Details
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- Definition Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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