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Note 9 - Pensions and Other Postretirement Benefits (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

		Pension Plan								Postretirement Plan
		2021				2020				2021				2020
Accumulated benefit obligation at end of year		$	67,400			$	69,554			$	28,934			$	29,848
Change in projected benefit obligation:
Benefit obligation at beginning of year		$	86,299			$	81,325			$	29,848			$	26,055
Service cost			2,662				2,709				1,462				1,372
Interest cost			1,729				1,937				654				778
Settlement			651				1,854				-				-
Benefits paid			(7,719	)			(12,872	)			(1,618	)			(1,305	)
Effect of foreign exchange											1				9
Actual expenses			(150	)			(150	)			-				-
Actuarial (gain)/ loss			(1,472	)			11,496				(1,413	)			2,939
Benefit obligation at end of year		$	82,000			$	86,299			$	28,934			$	29,848
Change in plan assets:
Plan assets at beginning of year		$	77,067			$	80,285			$	-			$	-
Actual return on plan assets			1,460				7,804				-				-
Employer contributions			2,000				2,000				1,618				1,305
Benefits paid			(7,719	)			(12,872	)			(1,618	)			(1,305	)
Actual expenses			(150	)			(150	)			-				-
Plan assets at end of year		$	72,658			$	77,067			$	-			$	-
Funded status at end of year		$	(9,342	)		$	(9,232	)		$	(28,934	)		$	(29,848	)
		Pension Plan								Postretirement Plan
		2021				2020				2021				2020
Amounts recognized in the Consolidated Balance Sheets consist of:
Current liabilities		$	-			$	-			$	(1,575	)		$	(1,598	)
Noncurrent liabilities			(9,342	)			(9,232	)			(27,359	)			(28,250	)
Total assets (liabilities)		$	(9,342	)		$	(9,232	)		$	(28,934	)		$	(29,848	)
Amounts recognized in Accumulated other comprehensive loss consist of:
Net actuarial loss		$	26,016			$	28,896			$	5,841			$	7,834
Prior Service Cost			-				-				(2,125	)			(3,255	)
Deferred tax (benefit) expense			(6,446	)			(7,130	)			(807	)			(1,012	)
After tax actuarial loss (gain)		$	19,570			$	21,766			$	2,909			$	3,567

Schedule of Costs of Retirement Plans [Table Text Block]

Components of net periodic benefit cost:
		2021				2020				2019
Pension Plan
Service cost		$	2,662			$	2,709			$	2,204
Interest cost			1,729				1,937				2,454
Expected return on plan assets			(3,610	)			(3,900	)			(3,561	)
Recognized actuarial loss			1,904				2,160				1,726
Settlement loss			2,304				4,583				-
Net periodic benefit cost		$	4,989			$	7,489			$	2,823
Other changes in pension plan assets and benefit  obligations recognized in other comprehensive loss:
Net (gain) loss			(2,879	)			2,704			$	3,034
Total expense recognized in net periodic benefit cost and other comprehensive income		$	2,110			$	10,193			$	5,857
Postretirement Plan
Service cost		$	1,462			$	1,372			$	1,083
Interest cost			654				778				941
Prior service cost recognition			(1,130	)			(1,129	)			(1,129	)
Recognized actuarial loss (gain)			580				306				27
Net periodic benefit cost (credit)		$	1,566			$	1,327			$	922
Other changes in postretirement plan assets and benefit obligations recognized in other comprehensive loss:
Net loss (gain)		$	(863	)		$	3,762			$	3,749
Total expense (benefit) recognized in net periodic benefit cost and other comprehensive income		$	703			$	5,089			$	4,671

Defined Benefit Plan, Assumptions [Table Text Block]

		Pension Plan								Postretirement Plan
		2021				2020				2021				2020
Weighted-average assumptions used to determine benefit obligations at December 31:
Discount rate			2.44	%			1.97	%			2.70	%			2.25	%
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			2.07	%			2.40	%			2.25	%			3.08	%
Expected long-term rate of return on plan assets			5.10	%			5.36	%			–				–
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, 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

		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, 2020
Equity		$	12,619			$	-			$	20			$	12,639
Fixed income			9,582				45,463				-				55,045
Mutual funds			2,108				-				-				2,108
Money funds and cash			2,089				5,186				-				7,275
Total fair value of Plan assets		$	26,398			$	50,649			$	20			$	77,067

Schedule of Expected Benefit Payments [Table Text Block]

		2022				2023				2024				2025				2026				Thereafter
Pension		$	14,089			$	3,963			$	4,867			$	3,929			$	4,950			$	26,412
Postretirement			1,596				1446				1,485				1,488				1,537				9,151

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