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Retirement and Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Retirement and Benefit Plans [Table Text Block]

The following table presents the pension benefit costs:

	Three Months Ended March 31
	2016				2015
	(thousands)
Service cost	$	285			$	475
Interest cost	4,782				4,707
Expected return on plan assets	(5,103		)		(5,200		)
Amortization of actuarial loss	478				1,599
Plan settlement loss	297				501
Net periodic benefit expense	$	739			$	2,082

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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=58740216&loc=d3e1928-114920

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