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Note 9 - Pensions and Other Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

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

		Pension Plans								Postretirement Plan
		2023				2022				2023				2022
Accumulated benefit obligation at end of year		$	50,114			$	45,756			$	24,276			$	23,954
Change in projected benefit obligation:
Benefit obligation at beginning of year		$	55,930			$	82,000			$	23,954			$	28,934
Service cost			2,180				2,378				835				1,146
Interest cost			2,652				2,326				1,196				760
Settlement			-				1,656				-				-
Benefits paid			(1,646	)			(17,826	)			(1,796	)			(1,781	)
Effect of foreign exchange			-				-				6				(28	)
Actual expenses			(161	)			(150	)			-				-
Actuarial (gain)/loss			3,194				(14,454	)			81				(5,077	)
Benefit obligation at end of year		$	62,149			$	55,930			$	24,276			$	23,954
Change in plan assets:
Plan assets at beginning of year		$	46,600			$	72,658			$	-			$	-
Actual return on plan assets			3,606				(10,332	)			-				-
Employer contributions			2,250				2,250				1,796				1,781
Benefits paid			(1,646	)			(17,826	)			(1,796	)			(1,781	)
Actual expenses			(161	)			(150	)			-				-
Plan assets at end of year		$	50,649			$	46,600			$	-			$	-
Funded status at end of year		$	(11,500	)		$	(9,330	)		$	(24,276	)		$	(23,954	)

		Pension Plans								Postretirement Plan
		2023				2022				2023				2022
Amounts recognized in the Consolidated Balance Sheets consist of:
Current liabilities		$	-			$	-			$	(1,490	)		$	(1,541	)
Noncurrent liabilities			(11,500	)			(9,330	)			(22,786	)			(22,413	)
Total assets (liabilities)		$	(11,500	)		$	(9,330	)		$	(24,276	)		$	(23,954	)
Amounts recognized in Accumulated other comprehensive loss consist of:
Net actuarial loss		$	19,084			$	18,290			$	(236	)		$	308
Prior Service Cost			-				-				-				(995	)
Deferred tax (benefit) expense			(4,803	)			(4,607	)			135				242
After tax actuarial loss		$	14,281			$	13,683			$	(101	)		$	(445	)

Schedule of Costs of Retirement Plans [Table Text Block]

		2023				2022				2021
Pension Plans
Service cost		$	2,180			$	2,400			$	2,662
Interest cost			2,652				2,326				1,729
Expected return on plan assets			(2,695	)			(2,892	)			(3,610	)
Recognized actuarial loss			1,461				1,724				1,904
Settlement loss			-				6,427				2,304
Net periodic benefit cost		$	3,598			$	9,985			$	4,989
Other changes in pension plan assets and benefit obligations recognized in other comprehensive loss:
Net (gain) loss			822				(7,726	)			(2,879	)
Total expense recognized in net periodic benefit cost and other comprehensive income		$	4,420			$	2,259			$	2,110
Postretirement Plan
Service cost		$	835			$	1,146			$	1,462
Interest costs			1,196				760				654
Prior service cost recognition			(995	)			(1,128	)			(1,130	)
Recognized actuarial loss (gain)			(38	)			368				580
Net periodic benefit cost (credit)		$	998			$	1,146			$	1,566
Other changes in postretirement plan assets and benefit obligations recognized in other comprehensive loss:
Net loss (gain)		$	1,114			$	(4,317	)		$	(863	)
Total expense (benefit) recognized in net periodic benefit cost and other comprehensive income		$	2,112			$	(3,171	)		$	703

Defined Benefit Plan, Assumptions [Table Text Block]

		Pension Plans								Postretirement Plan
		2023				2022				2023				2022
Weighted-average assumptions used to determine benefit obligations at December 31:
Discount rate			4.69	%			4.89	%			4.86	%			5.16	%
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			4.89	%			4.43	%			5.16	%			2.70	%
Expected long-term rate of return on plan assets			6.20	%			5.00	%			-				-
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, 2023
Equity		$	13,660			$	-			$	-			$	13,660
Fixed income			8,913				18,579				-				27,492
Mutual funds			3,684				-				-				3,684
Money funds and cash			2,047				3,766				-				5,813
Total fair value of Plan assets		$	28,304			$	22,345			$	-			$	50,649

		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

Schedule of Expected Benefit Payments [Table Text Block]

		2024				2025				2026				2027				2028				Thereafter
Pension		$	9,100			$	3,676			$	3,024			$	3,995			$	4,771			$	28,598
Postretirement			1,530				1,627				1,658				1,728				1,783				10,695

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