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Note 6 - Pension and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2017

Notes Tables

Schedule of Costs of Retirement Plans [Table Text Block]

		Pension Benefits								Postretirement Benefits
		Three Months Ended June 30,								Three Months Ended June 30,
		2017				2016				2017				2016
Service cost		$	671			$	709			$	312			$	298
Interest cost			650				661				204				211
Expected return on plan assets			(1,191	)			(983	)			-				-
Recognized actuarial loss (gain)			459				526				(169	)			(175	)
Settlement loss			1,713				-				-				-
Net periodic benefit cost		$	2,302			$	913			$	347			$	334

		Pension Benefits								Postretirement Benefits
		Six Months Ended June 30,								Six Months Ended June 30,
		2017				2016				2017				2016
Service cost		$	1,422			$	1,418			$	624			$	596
Interest cost			1,319				1,322				407				421
Expected return on plan assets			(2,387	)			(1,965	)			-				-
Recognized actuarial loss (gain)			949				1,051				(337	)			(349	)
Settlement loss			3,393				-				-				-
Net periodic benefit cost		$	4,696			$	1,826			$	694			$	668

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- Definition

Tabular disclosure of the costs related to the various types of retirement plans including defined benefit pension plan cost, defined contribution plan cost, other postretirement benefit plan cost, and net periodic benefit cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920

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- References

No definition available.

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