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BUSINESS SEGMENT AND OTHER OPERATIONS DATA - RECONCILIATION OF SEGMENT ASSETS TO CONSOLIDATED (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2016
--- | --- | --- | ---
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets |  | $ 4,143,664 | $ 3,928,507 | $ 3,718,570
Asset held for sale |  | 206,905 | 0 |
Operating Segments |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets |  | 4,166,993 | 3,922,001 | 3,696,982
Operating Segments | Natural Gas Distribution |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets |  | 2,663,054 | 2,519,578 | 2,517,401
Operating Segments | Clean Energy Ventures |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets | [1] | 865,018 | 771,340 | 665,696
Asset held for sale |  | 206,900 |  |
Operating Segments | Energy Services |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets |  | 396,852 | 398,277 | 327,626
Operating Segments | Midstream |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets |  | 242,069 | 232,806 | 186,259
Home Services and Other |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets |  | 114,732 | 114,801 | 109,487
Eliminations |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets | [2] | $ (138,061) | $ (108,295) | $ (87,899)
[1] | Includes assets held for sale of $206.9 million for September 30, 2018
[2] | Consists of transactions between subsidiaries that are eliminated and reclassified in consolidation.

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- Definition Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 15 -Paragraph 4 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=77912953&loc=d3e400-110220 + Details
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