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Note 5 - Employee Benefit Plans (Tables) | 12 Months Ended
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Mar. 25, 2023
Notes Tables |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] |
|  | FY 2023 |  |  | FY 2022 |  |  | FY 2021 |
Post-retirement benefit obligation, at beginning of fiscal year |  | $ | 1,326 |  |  | $ | 1,831 |  |  | $ | 1,509 |
Service cost |  |  | 17 |  |  |  | 96 |  |  |  | 84 |
Interest cost |  |  | 45 |  |  |  | 52 |  |  |  | 48 |
Plan Amendments |  |  | 193 |  |  |  | - |  |  |  | - |
Benefits paid |  |  | (136 | ) |  |  | (125 | ) |  |  | (95 | )
Actuarial (gain) loss |  |  | (179 | ) |  |  | (528 | ) |  |  | 285 |
Post-retirement benefit obligation, at end of fiscal year |  |  | 1,266 |  |  |  | 1,326 |  |  |  | 1,831 |
Fair value of plan assets, at end of fiscal year |  |  | - |  |  |  | - |  |  |  | - |
Funded status, at end of fiscal year |  | $ | (1,266 | ) |  | $ | (1,326 | ) |  | $ | (1,831 | )
Accumulated post-retirement benefit obligation, at end of fiscal year |  | $ | 1,266 |  |  | $ | 1,326 |  |  | $ | 1,831 |
Schedule of Net Benefit Costs [Table Text Block] |
|  | FY 2023 |  |  | FY 2022 |  |  | FY 2021 |
Net periodic post-retirement benefit cost: |  |  |  |  |  |  |  |  |  |  |  |
Service cost |  | $ | 17 |  |  | $ | 96 |  |  | $ | 84 |
Interest cost |  |  | 45 |  |  |  | 52 |  |  |  | 48 |
Amortization of prior service cost |  |  | 1 |  |  |  | 1 |  |  |  | 1 |
|  |  | 63 |  |  |  | 149 |  |  |  | 133 |
Benefit obligations recognized in other comprehensive income: |  |  |  |  |  |  |  |  |  |  |  |
Amortization of prior service cost |  |  | (1 | ) |  |  | (1 | ) |  |  | (1 | )
Prior service cost |  |  | 193 |  |  |  | - |  |  |  | - |
Net actuarial (gain) loss |  |  | (185 | ) |  |  | (583 | ) |  |  | 233 |
|  |  | 7 |  |  |  | (584 | ) |  |  | 232 |
Total recognized in net periodic benefit cost and other comprehensive income |  | $ | 70 |  |  | $ | (435 | ) |  | $ | 365 |
Amount recognized in accumulated other comprehensive income, at end of fiscal year: |  |  |  |  |  |  |  |  |  |  |  |
Unrecognized prior service cost |  | $ | 163 |  |  | $ | 156 |  |  | $ | 739 |
Defined Benefit Plan, Assumptions [Table Text Block] |
|  | March 25, |  |  | March 26, |
|  | 2023 |  |  | 2022 |
Weighted average discount rate |  |  | 4.9 | % |  |  | 3.6 | %
Medical care cost trend rate: |  |  |  |  |  |  |  |
Trend rate assumed for next year |  |  | 7.8 | % |  |  | 7.0 | %
Ultimate trend rate |  |  | 4.0 | % |  |  | 3.8 | %
Year that rate reaches ultimate trend rate |  |  | 2075 |  |  |  | 2075 |
Dental care cost trend rate: |  |  |  |  |  |  |  |
Trend rate assumed for next year and remaining at that level thereafter |  |  | 3.5 | % |  |  | 3.0 | %
Schedule of Expected Benefit Payments [Table Text Block] |
Fiscal Year |  | Amount |
2024 |  | $ | 121 |
2025 |  |  | 113 |
2026 |  |  | 80 |
2027 |  |  | 92 |
2028 |  |  | 109 |
Thereafter |  | $ | 751 |

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