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Note 8 - Income Taxes (Details Textual) | 6 Months Ended
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Sep. 27, 2025 | Sep. 28, 2024
Effective Income Tax Rate Reconciliation, Percent | 23.60% | 22.70%
State and Local Jurisdiction [Member] |  |
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent | 0.80% |
Valuation Allowance Against State Tax Credits [Member] |  |
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent | 1.40% | 0.30%

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