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EMPLOYEE BENEFIT PLANS (Tables)

6 Months Ended

Mar. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs

The components of the net periodic cost for pension benefits, including the Company's Pension Equalization Plan, and OPEB costs (principally health care and life insurance) for employees and covered dependents were as follows:

	Pension												OPEB
	Three Months Ended						Six Months Ended						Three Months Ended						Six Months Ended
	March 31,						March 31,						March 31,						March 31,
(Thousands)	2015			2014			2015			2014			2015			2014			2015			2014
Service cost	$	1,871		$	1,536		$	3,742		$	3,072		$	1,064		$	981		$	2,127		$	1,962
Interest cost	2,550			2,517			5,100			5,033			1,435			1,433			2,870			2,866
Expected return on plan assets	(4,273		)	(3,869		)	(8,545		)	(7,738		)	(1,244		)	(1,043		)	(2,488		)	(2,087		)
Recognized actuarial loss	1,747			1,399			3,492			2,798			735			625			1,471			1,250
Prior service cost amortization	27			28			55			56			(91		)	(89		)	(182		)	(178		)
Recognized net initial obligation	—			—			—			—			—			2			—			5
Net periodic benefit cost	$	1,922		$	1,611		$	3,844		$	3,221		$	1,899		$	1,909		$	3,798		$	3,818

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- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (h)

-URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920

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