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Note 8 - Employee Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Allocation of Plan Assets [Table Text Block]

						Actual as of				Actual as of
		Target				December 31, 2021				December 31, 2020
U.S. Pension plan:
Cash			—	%			2	%			3	%
Debt securities			50	%			34	%			53	%
Equity securities			50	%			64	%			44	%
Total			100	%			100	%			100	%

Schedule Of Fair Value Plan Assets Measured On Recurring Basis [Table Text Block]

						Quoted prices in				Significant				Significant
						active				observable				unobservable				Measured at
(In Thousands)						markets				inputs				inputs				Net Asset
		Fair Value				(Level 1)				(Level 2)				(Level 3)				Value
Pension plan measured at fair value:
Equity securities, primarily exchange traded funds		$	36,240			$	36,240			$	—			$	—			$	—
Debt securities, primarily mutual funds			19,628				19,628				—				—				—
Cash and cash equivalents			911				—				911				—				—
Total fair value of plan assets		$	56,779			$	55,868			$	911			$	—			$	—

						Quoted prices in				Significant				Significant
						active				observable				unobservable				Measured at
(In Thousands)						markets				inputs				inputs				Net Asset
		Fair Value				(Level 1)				(Level 2)				(Level 3)				Value
Pension plan measured at fair value:
Equity securities, primarily exchange traded funds		$	24,947			$	21,780			$	—			$	—			$	3,167
Debt securities, primarily exchange traded funds			29,922				17,925				—				—				11,997
Cash and cash equivalents			1,626				—				1,626				—				—
Total fair value of plan assets		$	56,495			$	39,705			$	1,626			$	—			$	15,164

Schedule of Net Funded Status [Table Text Block]

(In Thousands)		Year Ended December 31,
		2021				2020				2019
Change in benefit obligation:
Benefit obligation at beginning of the period		$	88,960			$	91,654			$	90,247
Service cost			—				112				427
Interest cost			2,168				2,907				3,751
Benefits paid			(5,693	)			(5,990	)			(5,967	)
Actuarial (gain) loss (A)			(1,127	)			5,277				8,198
Settlement			—				(4,407	)			(4,978	)
Foreign currency exchange rate changes			—				(593	)			(24	)
Benefit obligation at end of the period		$	84,308			$	88,960			$	91,654
Change in plan assets:
Fair value of plan assets at beginning of the period		$	56,495			$	59,625			$	56,790
Actual return			4,374				6,890				7,498
Actuarial loss			—				18				983
Administrative expenses			—				(49	)			(68	)
Employer contributions			1,603				1,615				5,027
Benefits paid			(5,693	)			(5,990	)			(5,967	)
Settlement			—				(5,000	)			(4,638	)
Foreign currency exchange rate changes			—				(614	)			—
Fair value of plan assets at end of the period			56,779				56,495				59,625
Unfunded status at end of the period		$	(27,529	)		$	(32,465	)		$	(32,029	)
Net amount recognized in the balance sheet consists of:
Current liabilities		$	(1,578	)		$	(1,524	)		$	(1,422	)
Noncurrent liabilities			(25,951	)			(30,941	)			(30,607	)
Net amount recognized		$	(27,529	)		$	(32,465	)		$	(32,029	)

Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block]

(In Thousands)		December 31,				December 31,
		2021				2020
Projected and accumulated benefit obligation		$	84,308			$	88,960
Fair value of plan assets			56,779				56,495

Schedule of Net Benefit Costs [Table Text Block]

(In Thousands)		Year Ended December 31,
		2021				2020				2019
Service cost		$	—			$	109			$	427
Interest cost			2,168				2,907				3,751
Expected return on plan assets			(2,174	)			(2,191	)			(2,375	)
Administrational expenses			—				49				71
Payroll tax of net pension costs			—				14				55
Amortization of net actuarial losses			145				(5	)			(592	)
Settlement/curtailment (gain) loss			—				738				(219	)
Net periodic pension cost		$	139			$	1,621			$	1,118

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

		Pension Benefits
(In Thousands)		Year Ended December 31,
		2021				2020				2019
Net (gain) loss		$	(3,472	)		$	(568	)		$	2,612
Settlement recognized			—				—				(182	)
Total recognized in other comprehensive (income) loss, before tax and net of tax		$	(3,472	)		$	(568	)		$	2,430

Defined Benefit Plan, Assumptions [Table Text Block]

		Pension Benefits
		2021				2020
Discount rate			2.5	%			3.5	%
Expected long-term rate of return on assets			4.0	%			4.0	%
Rates of annual increase in compensation levels			N/A				2.3	%

Schedule of Expected Benefit Payments [Table Text Block]

		Pension
Year ending December 31, (In Thousands)		Benefits
2022		$	5,911
2023			5,863
2024			5,816
2025			5,746
2026			5,648
2027 – 2031			26,188
Total 10-year estimated future benefit payments		$	55,172

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