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Note 5 - Employee Benefit Plans (Details Textual) - USD ($) $ in Millions | 12 Months Ended
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Mar. 29, 2025 | Mar. 30, 2024 | Mar. 25, 2023
Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 50.00% | 50.00% | 50.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 6.00% | 6.00% | 6.00%
Share-Based Payment Arrangement, Expense | $ 3.2 | $ 4.5 | $ 3.4
Other Postretirement Benefits Plan [Member] |  |  |
Defined Benefit Plan, Effect of One-Percentage-Point Increase on Accumulated Postretirement Benefit Obligation | 0.1 |  |
Defined Benefit Plan, Effect of One-Percentage-Point Decrease on Accumulated Postretirement Benefit Obligation | 0.1 |  |
Maximum [Member] |  |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax | $ 0.1 |  |
Employee Stock Purchase Plan [Member] |  |  |
Percentage of Market Price | 85.00% |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) | 650,000 |  |
Employee Stock Purchase Plan [Member] | Maximum [Member] |  |  |
Share-Based Payment Arrangement, Expense | $ 0.1 | 0.1 | 0.1
The 401K Plan [Member] |  |  |
Defined Contribution Plan, Cost | 1.8 | 1.5 | $ 1.2
N Q D C Plan [Member] |  |  |
Deferred Compensation Liability, Classified, Noncurrent | $ 0.1 | $ 0.1 |

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479983/718-10-S45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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