FAIR VALUE (Tables)

9 Months Ended

Jun. 30, 2016

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)	June 30, 2016		September 30, 2015
Carrying value (1)	$	932,845	$	807,845
Fair market value	$	971,841	$	817,319

(1) Excludes capital leases of $46.3 million and $46.9 million as of June 30, 2016 and September 30, 2015, respectively.

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 June 30, 2016:
Assets:
Physical commodity contracts		$	—		$	8,590		$	—	$	8,590
Financial commodity contracts		35,206			—			—		35,206
Available for sale equity securities - energy industry		64,377			—			—		64,377
Other (1)		1,567			—			—		1,567
Total assets at fair value		$	101,150		$	8,590		$	—	$	109,740
Liabilities:
Physical commodity contracts		$	—		$	10,257		$	—	$	10,257
Financial commodity contracts		73,978			—			—		73,978
Interest rate contracts		—			22,632			—		22,632
Total liabilities at fair value		$	73,978		$	32,889		$	—	$	106,867
As of September 30, 2015:
Assets:
Physical commodity contracts		$	—		$	6,572		$	—	$	6,572
Financial commodity contracts		38,515			—			—		38,515
Available for sale equity securities - energy industry		59,475			—			—		59,475
Other (1)		1,572			—			—		1,572
Total assets at fair value		$	99,562		$	6,572		$	—	$	106,134
Liabilities:
Physical commodity contracts		$	—		$	9,281		$	—	$	9,281
Financial commodity contracts		24,821			—			—		24,821
Interest rate contracts		—			4,228			—		4,228
Total liabilities at fair value		$	24,821		$	13,509		$	—	$	38,330

(1) Includes various money market funds.