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Note 9 - Employee Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Allocation of Plan Assets [Table Text Block]

						Actual as of				Actual as of
		Target				December 31, 2020				December 31, 2019
U.S. Pension plan:
Cash			—	%			3	%			—	%
Debt securities			50	%			53	%			96	%
Equity securities			50	%			44	%			4	%
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
						markets				inputs				inputs				Net Asset
(In thousands)		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

						Quoted prices in				Significant				Significant
						active				observable				unobservable				Measured at
						markets				inputs				inputs				Net Asset
(In thousands)		Fair Value				(Level 1)				(Level 2)				(Level 3)				Value
Pension plan measured at fair value:
Equity securities:		$	699				699				—				—				—
Debt securities:
Government securities			5,870				5,870				—				—				—
Collateralized mortgage securities			765				—				765				—				—
Corporate debt securities			47,839				—				47,839				—				—
Cash and cash equivalents			2,526				—				2,526				—				—
Other			1,396				—				1,396				—				—
Total		$	59,095				6,569				52,526				—				—
Accrued income			530				530				—				—				—
Total fair value of plan assets		$	59,625				7,099				52,526				—				—

Schedule of Net Funded Status [Table Text Block]

		Year Ended December 31,
(In thousands)		2020				2019				2018
Change in benefit obligation:
Benefit obligation at beginning of the period		$	91,654			$	90,247			$	103,443
Increase in benefit obligation due to business combination			—				—				5,474
Service cost			112				427				294
Interest cost			2,907				3,751				3,605
Benefits paid			(5,990	)			(5,967	)			(5,467	)
Actuarial (gain) loss (A)			5,277				8,198				(8,105	)
Settlement			(4,407	)			(4,978	)			(8,885	)
Foreign currency exchange rate changes			(593	)			(24	)			(112	)
Benefit obligation at end of the period		$	88,960			$	91,654			$	90,247
Change in plan assets:
Fair value of plan assets at beginning of the period		$	59,625			$	56,790			$	57,536
Increase in plan assets due to business combination			—				—				5,463
Actual return			6,890				7,498				(2,128	)
Expected return			—				—				112
Actuarial loss			18				983				(275	)
Administrative expenses			(49	)			(68	)			(36	)
Employer contributions			1,615				5,027				10,546
Benefits paid			(5,990	)			(5,967	)			(5,467	)
Settlement			(5,000	)			(4,638	)			(8,885	)
Foreign currency exchange rate changes			(614	)			—				(76	)
Fair value of plan assets at end of the period			56,495				59,625				56,790
Payroll tax unrecognized in benefit obligation at end of the period			—				—				84
Unfunded status at end of the period		$	(32,465	)		$	(32,029	)		$	(33,541	)
Net amount recognized in the balance sheet consists of:
Current liabilities		$	(1,524	)		$	(1,422	)		$	(1,380	)
Noncurrent liabilities			(30,941	)			(30,607	)			(32,161	)
Net amount recognized		$	(32,465	)		$	(32,029	)		$	(33,541	)

		Other Benefits
		Year Ended
(In thousands)		December 31, 2018
Change in benefit obligation:
Benefit obligation at beginning of the period		$	2,924
Service cost			61
Interest cost			117
Participant contributions			218
Plan amendment			(2,954	)
Benefits paid			(595	)
Actuarial loss			229
Benefit obligation at end of the period		$	—
Change in plan assets:
Fair value of plan assets at beginning of the period		$	—
Employer contributions			377
Participant contributions			218
Benefits paid			(595	)
Fair value of plan assets at end of the period			—
Unfunded status at end of the period		$	—

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

		December 31,				December 31,
(In thousands)		2020				2019
Projected benefit obligation		$	88,960			$	91,654
Accumulated benefit obligation			88,960				91,109
Fair value of plan assets			56,495				59,625

Schedule of Net Benefit Costs [Table Text Block]

		Year Ended December 31,
(In thousands)		2020				2019				2018
Service cost		$	109			$	427				294
Interest cost			2,907				3,751				3,605
Expected return on plan assets			(2,191	)			(2,375	)			(2,042	)
Administrational expenses			49				71				36
Payroll tax of net pension costs			14				55				42
Amortization of net actuarial losses			(5	)			(592	)			30
Recognized actuarial loss			—				—				—
Settlement/Curtailment (gain) loss			738				(219	)			335
Net periodic pension cost		$	1,621			$	1,118				2,300

Schedule of Costs of Retirement Plans [Table Text Block]

		Year Ended
(In thousands)		December 31, 2018
Service cost		$	61
Interest cost			117
Amortization of prior service cost			(299	)
Recognized actuarial loss			42
Net curtailment gain			(4,005	)
Net periodic postretirement benefit		$	(4,084	)

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

		Pension Benefits
		Year Ended December 31,
(In thousands)		2020				2019				2018
Net (gain) loss		$	(568	)		$	2,612				(3,441	)
Settlement recognized			—				(182	)			(335	)
Total recognized in other comprehensive (income) loss, before tax and net of tax		$	(568	)		$	2,430				(3,776	)

		Other Benefits
		Year
		Ended
		December 31,
(In thousands)		2018
Net (gain) loss		$	229
Amortization of prior service (cost) credit			1,861
Amortization of net (loss) gain			(554	)
Total recognized in other comprehensive (income) loss, before tax and net of tax		$	1,536

Defined Benefit Plan, Assumptions [Table Text Block]

		Pension Benefits
		2020				2019
Discount rate			3.5	%			4.5	%
Expected long-term rate of return on assets			4.0	%			4.0	%
Rates of annual increase in compensation levels			2.3	%			2.8	%

Schedule of Expected Benefit Payments [Table Text Block]

		Pension
Year ending December 31, (In thousands)		Benefits
2021		$	5,860
2022			5,833
2023			5,777
2024			5,762
2025			5,686
2026 – 2030			26,605
Total 10-year estimated future benefit payments		$	55,523

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