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DEBT (Tables) | 9 Months Ended
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Jun. 30, 2013
Debt Disclosure [Abstract] |
Schedule of Line of Credit Facilities | A summary of NJR's and NJNG's credit facilities are as follows:
(Thousands) | June 30, 2013 |  | September 30, 2012 |  | Maturity Dates
NJNG |  |  |  |  |
Bank credit facility dedicated to EDA Bonds (1) (2) (3) | $ | 100,000 |  |  | $ | 100,000 |  |  | August 2015
Bank revolving credit facility (1) | $ | 250,000 |  |  | $ | 200,000 |  |  | August 2014
Amount outstanding at end of period | $ | 96,000 |  |  | $ | 135,000 |  |  |
Weighted average interest rate at end of period | 0.15 | % |  | 0.18 | % |  |
Amount available at end of period | $ | 154,000 |  |  | $ | 65,000 |  |  |
NJR |  |  |  |  |
Bank revolving credit facility (1) | $ | 325,000 |  |  | $ | 325,000 |  |  | August 2017
Amount outstanding at end of period | $ | 200,900 |  |  | $ | 144,800 |  |  |
Weighted average interest rate at end of period | 1.12 | % |  | 1.16 | % |  |
Amount available at end of period (4) | $ | 107,710 |  |  | $ | 166,339 |  |  |
(1) | Committed credit facilities, which require commitment fees on the unused amounts.
(2) | There were no borrowings outstanding as of June 30, 2013 and September 30, 2012, respectively.
(3) | New Jersey Economic Development Authority (EDA) Bonds.
(4) | Letters of credit outstanding total $16.4 million and $13.9 million as of June 30, 2013 and September 30, 2012, respectively, which reduces amount available.

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- Definition Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph f -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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