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INVESTMENTS IN EQUITY INVESTEES (Tables)
3 Months Ended
Dec. 31, 2012
Equity Method Investments and Joint Ventures [Abstract]  
Schedule of Equity Method Investments
(Thousands)
December 31,
2012
September 30,
2012
Steckman Ridge
$
132,709

$
132,931

Iroquois
21,828

22,864

Total
$
154,537

$
155,795