FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Mar. 31, 2013

Fair Value Measurements, Measured on Recurring Basis

The following table categorizes the assets and liabilities in the Balance Sheets that are accounted for at fair value on a recurring basis in periods subsequent to initial recognition.



(Thousands)	Quoted Prices in Active Markets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Effects of Netting and Cash Margin Receivables /Payables			Total
As of March 31, 2013
Assets
U. S. Stock/Bond Mutual Funds	$	13,922	$	—	$	—	$	—		$	13,922
NYMEX natural gas contracts	10,862		—		—		(7,687		)	3,175
NYMEX gasoline and heating oil contracts	322		—		—		(192		)	130
Total	$	25,106	$	—	$	—	$	(7,879	)	$	17,227
Liabilities
NYMEX natural gas contracts	$	339	$	—	$	—	$	(339	)	$	—

As of September 30, 2012
Assets
U. S. Stock/Bond Mutual Funds	$	13,187	$	—	$	—	$	—		$	13,187
NYMEX natural gas contracts	7,338		—		—		(7,338		)	—
NYMEX gasoline and heating oil contracts	344		—		—		(344		)	—
Total	$	20,869	$	—	$	—	$	(7,682	)	$	13,187
Liabilities
NYMEX natural gas contracts	$	9,563	$	—	$	—	$	(9,563	)	$	—

As of March 31, 2012
Assets
U. S. Stock/Bond Mutual Funds	$	17,907	$	—	$	—	$	—		$	17,907
NYMEX natural gas contracts	709		—		—		(709		)	—
NYMEX gasoline and heating oil contracts	81		—		—		(81		)	—
Total	$	18,697	$	—	$	—	$	(790	)	$	17,907
Liabilities
NYMEX natural gas contracts	$	36,437	$	—	$	—	$	(36,437	)	$	—