FAIR VALUE (Tables)

3 Months Ended

Dec. 31, 2013

Fair Value Disclosures [Abstract]

Fair Value, by Balance Sheet Grouping

The estimated fair value of long-term debt, including current maturities and excluding capital leases, is as follows:

(Thousands)	December 31, 2013		September 30, 2013
Carrying value	$	529,845	$	529,845
Fair market value	$	553,460	$	556,518

Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis

Assets and liabilities measured at fair value on a recurring basis are summarized as follows:

	Quoted Prices in Active Markets for Identical Assets			Significant Other Observable Inputs			Significant Unobservable Inputs
(Thousands)	(Level 1)			(Level 2)			(Level 3)			Total
As of December 31, 2013:
Assets:
Physical forward commodity contracts		$	—		$	9,056		$	—	$	9,056
Financial derivative contracts - natural gas		27,716			—			—		27,716
Financial derivative contracts - foreign exchange		—			2			—		2
Available for sale equity securities - energy industry(1)		11,192			—			—		11,192
Other (2)		1,442			—			—		1,442
Total assets at fair value		$	40,350		$	9,058		$	—	$	49,408
Liabilities:
Physical forward commodity contracts		$	—		$	29,416		$	—	$	29,416
Financial derivative contracts - natural gas		54,521			—			—		54,521
Financial derivative contracts - foreign exchange		—			45			—		45
Total liabilities at fair value		$	54,521		$	29,461		$	—	$	83,982
As of September 30, 2013:
Assets:
Physical forward commodity contracts		$	—		$	11,823		$	—	$	11,823
Financial derivative contracts - natural gas		44,249			—			—		44,249
Financial derivative contracts - foreign exchange		—			16			—		16
Available for sale equity securities - energy industry(1)		11,716			—			—		11,716
Other (2)		1,129			—			—		1,129
Total assets at fair value		$	57,094		$	11,839		$	—	$	68,933
Liabilities:
Physical forward commodity contracts		$	—		$	14,595		$	—	$	14,595
Financial derivative contracts - natural gas		28,248			—			—		28,248
Financial derivative contracts - foreign exchange		—			5			—		5
Total liabilities at fair value		$	28,248		$	14,600		$	—	$	42,848

(1) Included in Other noncurrent assets on the Unaudited Condensed Consolidated Balance Sheets.

(2) Includes various money market funds.