ASSET RETIREMENT OBLIGATIONS (ARO) (Tables)

12 Months Ended

Sep. 30, 2012

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Change in Asset Retirement Obligation [Table Text Block]

The following is an analysis of the change in the ARO liability for the fiscal year ended September 30:

(Thousands)	2012			2011
Balance at October 1	$	27,026		$	26,009
Accretion	1,774			1,663
Additions	380			180
Retirements	(1,197		)	(826		)
Balance at period end	$	27,983		$	27,026

Schedule of Future Accretion [Table Text Block]

Accretion for the next five years is estimated to be as follows:

(Thousands)
Fiscal Year Ended September 30,	Estimated Accretion
2013		$	1,866
2014		1,948
2015		2,009
2016		2,069
2017		2,121
Total		$	10,013