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Note 9 - Pensions and Other Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Schedule of Changes in Projected Benefit Obligations [Table Text Block]

		Pension Plan								Postretirement Plan
		201 9				201 8				201 9				201 8
Accumulated benefit obligation at end of year		$	66,900			$	56,408			$	26,055			$	23,679
Change in projected benefit obligation:
Benefit obligation at beginning of year		$	67,578			$	76,489			$	23,679			$	17,367
Service cost			2,204				2,408				1,083				775
Interest cost			2,454				2,552				941				561
Settlement			-				990				-				-
Benefits paid			(3,735	)			(8,504	)			(2,311	)			(2,536	)
Effect of foreign exchange			-				-				16				(42	)
Actuarial (gain) loss			12,824				(6,357	)			2,647				7,554
Benefit obligation at end of year		$	81,325			$	67,578			$	26,055			$	23,679
Change in plan assets:
Plan assets at beginning of year		$	72,395			$	80,802			$	-			$	-
Actual return on plan assets			11,625				(3,903	)			-				-
Employer contributions			-				4,000				2,311				2,536
Benefits paid			(3,735	)			(8,504	)			(2,311	)			(2,536	)
Plan assets at end of year			80,285				72,395				-				-
Funded status at end of year		$	(1,040	)		$	4,817			$	(26,055	)		$	(23,679	)

		Pension Plan								Postretirement Plan
		201 9				201 8				201 9				201 8
Amounts recognized in the Consolidated Balance Sheets consist of:
Noncurrent assets		$	-			$	4,817			$	-			$	-
Current liabilities			-				-				(1,602	)			(1,826	)
Noncurrent liabilities			(1,040	)			-				(24,453	)			(21,853	)
Total assets (liabilities)		$	(1,040	)		$	4,817			$	(26,055	)		$	(23,679	)
Amounts recognized in Accumulated other comprehensive loss consist of:
Net actuarial loss		$	26,192			$	23,158			$	5,205			$	2,596
Prior Service Cost			-				-				(4,383	)			(5,508	)
Deferred tax (benefit) expense			(6,499	)			(5,798	)			(132	)			732
After tax actuarial loss (gain)		$	19,693			$	17,360			$	690			$	(2,180	)

Schedule of Costs of Retirement Plans [Table Text Block]

Components of net periodic benefit cost:
		201 9				2018				2017
Pension Plan
Service cost		$	2,204			$	2,408			$	2,727
Interest cost			2,454				2,552				2,537
Expected return on plan assets			(3,561	)			(4,481	)			(4,697	)
Recognized actuarial loss			1,726				1,577				1,770
Settlement loss			-				2,852				4,031
Net periodic benefit cost		$	2,823			$	4,908			$	6,368
Other changes in pension plan assets and benefit obligations recognized in other comprehensive loss:
Net loss (gain)		$	3,034			$	(1,413	)		$	(2,470	)
Total expense recognized in net periodic benefit cost and other comprehensive income		$	5,857			$	3,495			$	3,898
Postretirement Plan
Service cost		$	1,083			$	775			$	1,249
Interest cost			941				561				814
Prior service cost recognition			(1,129	)			(1,128	)			-
Recognized actuarial loss (gain)			27				(413	)			(677	)
Net periodic benefit (credit) cost		$	922			$	(205	)		$	1,386
Other changes in postretirement plan assets and benefit obligations recognized in other comprehensive loss:
Net loss (gain)		$	3,749			$	9,096			$	(4,105	)
Total expense (benefit) recognized in net periodic benefit cost and other comprehensive income		$	4,671			$	8,891			$	(2,719	)

Defined Benefit Plan, Assumptions [Table Text Block]

		Pension Plan								Postretirement Plan
		201 9				201 8				201 9				201 8
Weighted-average assumptions used to determine benefit obligations at December 31:
Discount rate			2.83	%			3.94	%			3.08	%			4.13	%
Rate of compensation increase			3.50	%			3.50	%			–				–
Weighted-average assumptions used to determine net periodic benefit cost for years ended December 31:
Discount rate			3.94	%			3.76	%			4.13	%			3.39	%
Expected long-term rate of return on plan assets			5.37	%			6.00	%			–				–
Rate of compensation increase			3.50	%			3.50	%			–				–

Schedule of Allocation of Plan Assets [Table Text Block]

		Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)				Plan Assets at December 31, 2019
Equity		$	12,986			$	-			$	-			$	12,986
Fixed income			11,671				46,145				-				57,816
Mutual funds			1,992				-				-				1,992
Money funds and cash			3,103				4,388								7,491
Total fair value of Plan assets		$	29,752			$	50,533				-			$	80,285

		Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Observable Inputs (Level 2)				Significant Unobservab l e Inputs (Level 3)				Plan Assets at December 31, 2018
Equity		$	10,144			$	-			$	3			$	10,147
Fixed income			9,768				44,333				-				54,101
Mutual funds			1,777				-				-				1,777
Money funds and cash			6,370				-				-				6,370
Total fair value of Plan assets		$	28,059			$	44,333			$	3			$	72,395

Schedule of Expected Benefit Payments [Table Text Block]

		2020				2021				2022				2023				2024				Thereafter
Pension		$	12,283			$	5,146			$	5,662			$	5,125			$	5,881			$	27,567
Postretirement			1,627				1,515				1,478				1,509				1,544,				8,495

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