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Note L - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans (Tables) | 12 Months Ended
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Mar. 30, 2025
Notes Tables |
Share-Based Payment Arrangement, Cost by Plan [Table Text Block] |
|  | March 30, |  |  | March 31, |
|  | 2025 |  |  | 2024 |
Stock options |  | $ | 318 |  |  | $ | 58 |
Restricted stock units |  |  | 675 |  |  |  | 675 |
|  | $ | 993 |  |  | $ | 733 |
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|  | March 30, 2025 |  |  | March 31, 2024 |
Weighted-average option fair values |  | $ | 14.67 |  |  | $ | 16.23 |
Expected life (years) |  |  | 4.4 |  |  |  | 4.4 |
Interest rate |  |  | 3.75 | % |  |  | 4.31 | %
Volatility |  |  | 24.50 | % |  |  | 24.29 | %
Dividend yield |  |  | 2.69 | % |  |  | 2.56 | %
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
March 30, 2025 |  |  |  |  |  |  |  |  |  | Weighted |  |  |  |  |
|  |  |  |  |  | Weighted |  |  | Average |  |  |  |  |
|  |  |  |  |  | Average |  |  | Remaining |  |  | Aggregate |
|  |  |  |  |  | Exercise |  |  | Contractual |  |  | Intrinsic |
|  | Shares |  |  | Price |  |  | Life |  |  | Value |
Options outstanding – beginning of year |  |  | 20,000 |  |  | $ | 73.25 |  |  |  | 3.36 |  |  | $ | 23 |
Granted |  |  | 110,000 |  |  | $ | 74.47 |  |  |  | 4.39 |  |  |  | - |
Options outstanding - end of year |  |  | 130,000 |  |  | $ | 74.28 |  |  |  | 4.08 |  |  | $ | 2,667 |
Options exercisable - end of year |  |  | 10,000 |  |  | $ | 70.88 |  |  |  | 1.86 |  |  | $ | 239 |
March 31, 2024 |  |  |  |  |  |  |  |  |  | Weighted |  |  |  |  |
|  |  |  |  |  | Weighted |  |  | Average |  |  |  |  |
|  |  |  |  |  | Average |  |  | Remaining |  |  | Aggregate |
|  |  |  |  |  | Exercise |  |  | Contractual |  |  | Intrinsic |
|  | Shares |  |  | Price |  |  | Life |  |  | Value |
Options outstanding – beginning of year |  |  | 20,000 |  |  | $ | 79.20 |  |  |  | 1.92 |  |  | $ | 40 |
Granted |  |  | 10,000 |  |  | $ | 78.00 |  |  |  | 4.37 |  |  |  | - |
Expired |  |  | (10,000 | ) |  | $ | 89.90 |  |  |  | - |  |  |  | - |
Options outstanding - end of year |  |  | 20,000 |  |  | $ | 73.25 |  |  |  | 3.36 |  |  | $ | 23 |
Options exercisable - end of year |  |  | 5,000 |  |  | $ | 68.50 |  |  |  | 2.36 |  |  | $ | 12 |
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] |
March 30, 2025 |  |  |  |  |  | Weighted |
|  |  |  |  |  | Average |
|  |  |  |  |  | Grant-date Fair value |
|  | Shares |  |  | Per share |
Unvested restricted stock units – beginning of year |  |  | 40,000 |  |  | $ | 67.59 |
Vested |  |  | (10,000 | ) |  | $ | 67.59 |
Unvested restricted stock units – end of year |  |  | 30,000 |  |  | $ | 67.59 |
March 31, 2024 |  |  |  |  |  | Weighted |
|  |  |  |  |  | Average |
|  |  |  |  |  | Grant-date Fair value |
|  | Shares |  |  | Per share |
Unvested restricted stock units – beginning of year |  |  | 50,000 |  |  | $ | 67.59 |
Vested |  |  | (10,000 | ) |  | $ | 67.59 |
Unvested restricted stock units – end of year |  |  | 40,000 |  |  | $ | 67.59 |

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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