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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 6 Months Ended
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Mar. 31, 2016
Accounting Policies [Abstract] |
Summary of Gas in Storage | The following table summarizes gas in storage, at average cost by company as of:
| March 31, 2016 | September 30, 2015
($ in thousands) | Gas in Storage |  | Bcf | Gas in Storage |  | Bcf
NJRES |  | $ | 89,514 |  | 52.3 |  |  | $ | 93,696 |  | 44.6 |
NJNG |  | 27,976 |  | 9.3 |  |  | 70,209 |  | 21.4 |
Total |  | $ | 117,490 |  | 61.6 |  |  | $ | 163,905 |  | 66.0 |
Accounts Receivable by Subsidiary | Customer accounts receivable include outstanding billings from the following subsidiaries as of:
(Thousands) | March 31, 2016 |  | September 30, 2015
NJRES | $ | 75,691 |  | 51 | % |  | $ | 107,461 |  | 69 | %
NJNG (1) | 67,080 |  | 45 |  |  | 41,130 |  | 26 |
NJRCEV | 1,975 |  | 1 |  |  | 1,084 |  | 1 |
NJRHS and other | 4,076 |  | 3 |  |  | 5,598 |  | 4 |
Total | $ | 148,822 |  | 100 | % |  | $ | 155,273 |  | 100 | %
(1) | Does not include unbilled revenues of $27.1 million and $6.4 million as of March 31, 2016 and September 30, 2015, respectively.
Schedule of Retrospective Application of New Accounting Standard | In November 2015, the FASB issued ASU 2015-17, an amendment to ASC 740, Income Taxes, to simplify the balance sheet presentation of deferred income taxes. The update requires entities to present all deferred tax assets and liabilities as noncurrent. The Company elected to early adopt the amended guidance effective October 1, 2015, and applied the new provisions retrospectively. Accordingly, the following amounts on the Unaudited Condensed Consolidated Balance Sheets, as of September 30, 2015, have been adjusted:
(Thousands) | As Previously Reported |  | Effect of Change |  | As Adjusted
Assets |  |  |  |  |
Deferred taxes (current) | $ | 56,296 |  |  | $ | (56,296 | ) |  | $ | — |
Total current assets | $ | 544,511 |  |  | $ | (56,296 | ) |  | $ | 488,215 |
Other noncurrent assets | $ | 60,300 |  |  | $ | 1,615 |  |  | $ | 61,915 |
Total noncurrent assets | $ | 666,266 |  |  | $ | 1,615 |  |  | $ | 667,881 |
Total assets | $ | 3,339,038 |  |  | $ | (54,681 | ) |  | $ | 3,284,357 |
Capitalization and Liabilities |  |  |  |  |
Deferred income taxes | $ | 499,616 |  |  | $ | (54,681 | ) |  | $ | 444,935 |
Total noncurrent liabilities | $ | 952,387 |  |  | $ | (54,681 | ) |  | $ | 897,706 |
Total capitalization and liabilities | $ | 3,339,038 |  |  | $ | (54,681 | ) |  | $ | 3,284,357 |

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