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INVESTMENTS IN EQUITY INVESTEES - SCHEDULE OF EQUITY METHOD INVESTMENTS (Details) (USD $) | Jun. 30, 2013 | Sep. 30, 2012
--- | --- | ---
Schedule of Equity Method Investments [Line Items] |  |
Investments in equity investees | $ 154,630,000 | $ 155,795,000
Steckman Ridge [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Investments in equity investees | 130,715,000 | 132,931,000
Steckman Ridge [Member] | Equity Method Investee [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Outstanding principal balance | 70,400,000 |
Iroquois [Member] |  |
Schedule of Equity Method Investments [Line Items] |  |
Investments in equity investees | $ 23,915,000 | $ 22,864,000

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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=16385135&loc=d3e33749-111570 + Details
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