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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, EQUITY IN EARNINGS (Details) | 12 Months Ended |  |
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Sep. 30, 2013 Steckman Ridge [Member] MMcf | Sep. 30, 2013 OwnEnergy [Member] | Sep. 30, 2012 OwnEnergy [Member]
Public utilities, power plant capacity | 17,700 |  |
Publit utilities, power plant working capacity | 12,000 |  |
Cost method investment, ownership percentage |  | 18.70% | 19.90%

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- Definition Publit Utilities, Power Plant Working Capacity + References No definition available. + Details
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