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INVESTMENTS IN EQUITY INVESTEES (Tables)
6 Months Ended
Mar. 31, 2013
Equity Method Investments and Joint Ventures [Abstract]  
Schedule of Equity Method Investments
Equity Method Investments
(Thousands)
March 31,
2013
September 30,
2012
Steckman Ridge
$
132,210

$
132,931

Iroquois
22,904

22,864

Total
$
155,114

$
155,795