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Note 10 - Retirement Plans (Tables) | 3 Months Ended
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Jun. 27, 2026
Notes Tables |
Schedule of Defined Benefit Plans Disclosures [Table Text Block] |
|  | Three Months Ended |
|  | June 27, |  |  | June 28, |
|  | 2026 |  |  | 2025 |
Service cost including administrative expenses |  | $ | 1,089 |  |  | $ | 1,323 |
Interest cost |  |  | 2,814 |  |  |  | 2,912 |
Expected return on plan assets |  |  | (5,769 | ) |  |  | (4,820 | )
Amortization of prior service cost |  |  | - |  |  |  | 2 |
Net periodic benefit income |  | $ | (1,866 | ) |  | $ | (583 | )

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