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BENEFIT PLANS (Tables)

3 Months Ended

Mar. 31, 2018

BENEFIT PLANS [Abstract]

Net Periodic Benefit Cost

The net periodic benefit cost for the three months ended March 31, 2018 and 2017 is as follows:

		Pension Benefits								Post-retirement Benefits
		Three Months Ended March 31,								Three Months Ended March 31,
(000's omitted)		2018				2017				2018				2017
Service cost		$	1,121			$	1,039			$	0			$	0
Interest cost			1,415				1,361				17				19
Expected return on plan assets			(3,705	)			(3,121	)			0				0
Amortization of unrecognized net loss			298				263				5				2
Amortization of prior service cost			(83	)			14				(44	)			(45	)
Net periodic benefit		$	(954	)		$	(444	)		$	(22	)		$	(24	)

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- References

No definition available.

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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=82843861&loc=d3e1928-114920

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