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BUSINESS SEGMENT AND OTHER OPERATIONS DATA, RECONCILIATION OF SEGMENT ASSETS TO CONSOLIDATED (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2014
--- | --- | --- | ---
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets |  | $ 3,727,082 | $ 3,284,357 | $ 3,125,388
Operating Segments |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets |  | 3,704,641 | 3,252,206 | 3,114,281
Operating Segments | Natural Gas Distribution |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets |  | 2,525,060 | 2,305,293 | 2,142,407
Operating Segments | Clean Energy Ventures |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets |  | 665,696 | 504,885 | 380,275
Operating Segments | Energy Services |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets |  | 327,626 | 260,021 | 437,708
Operating Segments | Midstream |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets |  | 186,259 | 182,007 | 153,891
Home Services and Other |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets |  | 110,340 | 88,880 | 77,578
Eliminations |  |  |  |
Segment Reporting, Asset Reconciling Item [Line Items] |  |  |  |
Total assets | [1] | $ (87,899) | $ (56,729) | $ (66,471)
[1] | Consists of transactions between subsidiaries that are eliminated and reclassified in consolidation.

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