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Note 9 - Employee Retirement Plans (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Schedule of Allocation of Plan Assets [Table Text Block] |
|  | Actual as of |  |  | Actual as of |
|  | December 31, 2024 |  |  | December 31, 2023 |
U.S. Pension plan: |  |  |  |  |  |  |  |
Cash |  |  | 2 | % |  |  | 3 | %
Alternative securities |  |  | 9 | % |  |  | 18 | %
Debt securities |  |  | 40 | % |  |  | 33 | %
Equity securities |  |  | 49 | % |  |  | 46 | %
Total |  |  | 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 |  | $ | 14,927 |  |  | $ | 14,927 |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Debt securities |  |  | 11,962 |  |  |  | 2,192 |  |  |  | 9,770 |  |  |  | — |  |  |  | — |
Alternative securities |  |  | 2,631 |  |  |  | — |  |  |  | — |  |  |  | 2,631 |  |  |  | — |
Cash and cash equivalents |  |  | 734 |  |  |  | — |  |  |  | 734 |  |  |  | — |  |  |  | — |
Total fair value of pension plan assets |  | $ | 30,254 |  |  | $ | 17,119 |  |  | $ | 10,504 |  |  | $ | 2,631 |  |  | $ | — |
|  |  |  |  |  | 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 |  | $ | 14,269 |  |  | $ | 14,212 |  |  | $ | 57 |  |  | $ | — |  |  | $ | — |
Debt securities |  |  | 10,058 |  |  |  | 296 |  |  |  | 9,762 |  |  |  | — |  |  |  | — |
Alternative securities |  |  | 5,504 |  |  |  | — |  |  |  | — |  |  |  | 5,504 |  |  |  | — |
Cash and cash equivalents |  |  | 1,012 |  |  |  | — |  |  |  | 1,012 |  |  |  | — |  |  |  | — |
Total fair value of pension plan assets |  | $ | 30,843 |  |  | $ | 14,508 |  |  | $ | 10,831 |  |  | $ | 5,504 |  |  | $ | — |
Schedule of Net Funded Status [Table Text Block] |
(In Thousands) |  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |  |  | 2022 |
Change in benefit obligation: |  |  |  |  |  |  |  |  |  |  |  |
Benefit obligation at beginning of the period |  | $ | 50,097 |  |  | $ | 64,273 |  |  | $ | 84,308 |
Interest cost |  |  | 2,572 |  |  |  | 2,873 |  |  |  | 2,313 |
Benefits paid |  |  | (4,371 | ) |  |  | (5,104 | ) |  |  | (5,667 | )
Actuarial (gain) loss (A) |  |  | (250 | ) |  |  | 1,916 |  |  |  | (16,681 | )
Settlement |  |  | — |  |  |  | (13,861 | ) |  |  | — |
Benefit obligation at end of the period |  | $ | 48,048 |  |  | $ | 50,097 |  |  | $ | 64,273 |
Change in plan assets: |  |  |  |  |  |  |  |  |  |  |  |
Fair value of plan assets at beginning of the period |  | $ | 30,843 |  |  | $ | 45,378 |  |  | $ | 56,779 |
Actual return |  |  | 2,184 |  |  |  | 2,827 |  |  |  | (7,337 | )
Employer contributions |  |  | 1,599 |  |  |  | 1,603 |  |  |  | 1,603 |
Benefits paid |  |  | (4,371 | ) |  |  | (5,104 | ) |  |  | (5,667 | )
Settlement |  |  | — |  |  |  | (13,861 | ) |  |  | — |
Fair value of plan assets at end of the period |  |  | 30,255 |  |  |  | 30,843 |  |  |  | 45,378 |
Unfunded status at end of the period |  | $ | (17,793 | ) |  | $ | (19,254 | ) |  | $ | (18,895 | )
Net amount recognized in the balance sheet consists of: |  |  |  |  |  |  |  |  |  |  |  |
Current liabilities |  | $ | (1,567 | ) |  | $ | (1,572 | ) |  | $ | (1,575 | )
Noncurrent liabilities |  |  | (16,226 | ) |  |  | (17,682 | ) |  |  | (17,320 | )
Net amount recognized |  | $ | (17,793 | ) |  | $ | (19,254 | ) |  | $ | (18,895 | )
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block] |
(In Thousands) |  | December 31, |  |  | December 31, |
|  | 2024 |  |  | 2023 |
Projected and accumulated benefit obligation |  | $ | 48,048 |  |  | $ | 50,097 |
Fair value of plan assets |  |  | 30,255 |  |  |  | 30,843 |
Schedule of Net Benefit Costs [Table Text Block] |
(In Thousands) |  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |  |  | 2022 |
Interest cost |  | $ | 2,572 |  |  | $ | 2,873 |  |  | $ | 2,313 |
Expected return on plan assets |  |  | (1,828 | ) |  |  | (2,111 | ) |  |  | (3,006 | )
Amortization of net actuarial gains (losses) |  |  | (94 | ) |  |  | (146 | ) |  |  | 63 |
Settlement/curtailment gain |  |  | — |  |  |  | (2,177 | ) |  |  | — |
Net periodic pension cost (benefit) |  | $ | 650 |  |  | $ | (1,561 | ) |  | $ | (630 | )
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block] |
|  | Pension Benefits |
(In Thousands) |  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |  |  | 2022 |
Total net (gain) loss recognized in other comprehensive (income) loss |  | $ | (511 | ) |  | $ | 3,522 |  |  | $ | (6,404 | )
Defined Benefit Plan, Assumptions [Table Text Block] |
|  | Pension Benefits |
|  | 2024 |  |  | 2023 |
Discount rate |  |  | 5.3 | % |  |  | 5.5 | %
Expected long-term rate of return on assets |  |  | 6.3 | % |  |  | 6.4 | %
Schedule of Expected Benefit Payments [Table Text Block] |
|  | Pension |
Year ending December 31, (In Thousands) |  | Benefits |
2025 |  | $ | 4,762 |
2026 |  |  | 4,655 |
2027 |  |  | 4,552 |
2028 |  |  | 4,439 |
2029 |  |  | 4,313 |
2030 – 2034 |  |  | 19,354 |
Total 10-year estimated future benefit payments |  | $ | 42,075 |

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