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Note O - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Millions |  | 3 Months Ended |
--- | --- | --- | ---
Aug. 08, 2025 | Jun. 29, 2025 | Mar. 11, 2016
Common Stock, Dividends, Per Share, Declared |  | $ 0.5 |
Sixth Stock Repurchase Plan [Member] |  |  |
Share Repurchase Program, Authorized, Number of Shares |  |  | 1,200,000
Treasury Stock, Shares, Acquired |  | 1,101,884 |
Treasury Stock, Value, Acquired, Cost Method |  | $ 39 |
Share Repurchase Program, Remaining Authorized, Number of Shares |  | 98,116 |
Forecast [Member] |  |  |
Common Stock, Dividends, Per Share, Declared | $ 0.5 |  |

X
- Definition Number of shares authorized to be purchased under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481520/505-30-50-4 + Details
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