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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 3 Months Ended
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Dec. 31, 2014
Accounting Policies [Abstract] |
Schedule of Utility Inventory | The following table summarizes gas in storage, at average cost by company as of:
| December 31, 2014 | September 30, 2014
($ in thousands) | Gas in Storage |  | Bcf | Gas in Storage |  | Bcf
NJRES |  | $ | 201,722 |  | 57.8 |  |  | $ | 191,250 |  | 56.5 |
NJNG |  | 67,698 |  | 17.1 |  |  | 86,266 |  | 21.3 |
Total |  | $ | 269,420 |  | 74.9 |  |  | $ | 277,516 |  | 77.8 |
Accounts Receivable by Subsidiary | Customer accounts receivable include outstanding billings from the following subsidiaries as of:
(Thousands) | December 31, 2014 |  | September 30, 2014
NJRES | $ | 236,564 |  | 75 | % |  | $ | 142,566 |  | 75 | %
NJNG (1) | 74,198 |  | 24 |  |  | 41,281 |  | 22 |
NJRCEV | 725 |  | — |  |  | 594 |  | — |
NJRHS and other | 2,652 |  | 1 |  |  | 5,529 |  | 3 |
Total | $ | 314,139 |  | 100 | % |  | $ | 189,970 |  | 100 | %
(1) | Does not include unbilled revenues of $48.2 million and $7.2 million as of December 31, 2014 and September 30, 2014, respectively.

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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6361739&loc=d3e7789-107766 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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