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Note 10 - Pensions and Other Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

		Pension Plans								Postretirement Plan
		2022				2021				2022				2021
Accumulated benefit obligation at end of year		$	45,756			$	67,400			$	23,954			$	28,934
Change in projected benefit obligation:
Benefit obligation at beginning of year		$	82,000			$	86,299			$	28,934			$	29,848
Service cost			2,400				2,662				1,146				1,462
Interest cost			2,326				1,729				760				654
Settlement			1,656				651				-				-
Benefits paid			(17,826	)			(7,719	)			(1,781	)			(1,618	)
Effect of foreign exchange			-				-				(28	)			1
Actual expenses			(150	)			(150	)			-				-
Actuarial (gain)/ loss			(14,454	)			(1,472	)			(5,077	)			(1,413	)
Benefit obligation at end of year		$	55,952			$	82,000			$	23,954			$	28,934
Change in plan assets:
Plan assets at beginning of year		$	72,658			$	77,067			$	-			$	-
Actual return on plan assets			(10,332	)			1,460				-				-
Employer contributions			2,250				2,000				1,781				1,618
Benefits paid			(17,826	)			(7,719	)			(1,781	)			(1,618	)
Actual expenses			(150	)			(150	)			-				-
Plan assets at end of year		$	46,600			$	72,658			$	-			$	-
Funded status at end of year		$	(9,352	)		$	(9,342	)		$	(23,954	)		$	(28,934	)

		Pension Plans								Postretirement Plan
		2022				2021				2022				2021
Amounts recognized in the Consolidated Balance Sheets consist of:
Current liabilities		$	-			$	-			$	(1,541	)		$	(1,575	)
Noncurrent liabilities			(9,352	)			(9,342	)			(22,413	)			(27,359	)
Total assets (liabilities)		$	(9,352	)		$	(9,342	)		$	(23,954	)		$	(28,934	)
Amounts recognized in Accumulated other
Net actuarial loss		$	18,290			$	26,016			$	308			$	5,841
Prior Service Cost			-				-				(995	)			(2,125	)
Deferred tax (benefit) expense			(4,607	)			(6,446	)			242				(807	)
After tax actuarial loss		$	13,683			$	19,570			$	(445	)		$	2,909

Schedule of Costs of Retirement Plans [Table Text Block]

Components of net periodic benefit cost:
		2022				2021				2020
Pension Plans
Service cost		$	2,400			$	2,662			$	2,709
Interest cost			2,326				1,729				1,937
Expected return on plan assets			(2,892	)			(3,610	)			(3,900	)
Recognized actuarial loss			1,724				1,904				2,160
Settlement loss			6,427				2,304				4,583
Net periodic benefit cost		$	9,985			$	4,989			$	7,489
Other changes in pension plan assets and benefit obligations recognized in other comprehensive loss:
Net (gain) loss			(7,726	)			(2,879	)			2,704
Total expense recognized in net periodic benefit cost and other comprehensive income		$	2,259			$	2,110			$	10,193
Postretirement Plan
Service cost		$	1,146			$	1,462			$	1,372
Interest cost			760				654				778
Prior service cost recognition			(1,128	)			(1,130	)			(1,129	)
Recognized actuarial loss (gain)			368				580				306
Net periodic benefit cost (credit)		$	1,146			$	1,566			$	1,327
Other changes in postretirement plan assets and benefit obligations recognized in other comprehensive loss:
Net loss (gain)		$	(4,317	)		$	(863	)		$	3,762
Total expense (benefit) recognized in net periodic benefit cost and other comprehensive income		$	(3,171	)		$	703			$	5,089

Defined Benefit Plan, Assumptions [Table Text Block]

		Pension Plans								Postretirement Plan
		2022				2021				2022				2021
Weighted-average assumptions used to determine benefit obligations at December 31:
Discount rate			4.89	%			2.44	%			5.16	%			2.70	%
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			4.43	%			2.07	%			2.70	%			2.25	%
Expected long-term rate of return on plan assets			5.00	%			5.10	%			-				–
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, 2022
Equity		$	7,157			$	-			$	-			$	7,157
Fixed income			5,052				27,045				-				32,097
Mutual funds			2,406				-				-				2,406
Money funds and cash			1,527				3,413				-				4,940
Total fair value of Plan assets		$	16,142			$	30,458			$	-			$	46,600

		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, 2021
Equity		$	10,979			$	-			$	-			$	10,979
Fixed income			8,788				42,154				139				51,081
Mutual funds			3,045				-				-				3,045
Money funds and cash			2,220				5,333				-				7,553
Total fair value of Plan assets		$	25,032			$	47,487			$	139			$	72,658

Schedule of Expected Benefit Payments [Table Text Block]

		2023				2024				2025				2026				2027				Thereafter
Pension		$	7,435			$	2,930			$	3,272			$	2,871			$	3,838			$	25,710
Postretirement			1,580				1,591				1,632				1,673				1,750				10,356

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