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Note 8 - Employee Retirement Plans (Tables) | 12 Months Ended
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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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- Definition Tabular disclosure of the pension plan measured at fair value of assets using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets) and gains or losses recognized in other comprehensive income (loss), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs), by class of asset. + References No definition available. + Details
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