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Note O - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Nov. 06, 2025 | Sep. 28, 2025 | Jun. 29, 2025 | Sep. 28, 2025 | Mar. 11, 2016
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 |  |  |  | $ 39,000 |
Share Repurchase Program, Remaining Authorized, Number of Shares |  | 98,116 |  | 98,116 |
O2025Q1 Dividends [Member] |  |  |  |  |
Common Stock, Dividends, Per Share, Declared |  |  | $ 0.5 |  |
O2025Q2 Dividends [Member] |  |  |  |  |
Common Stock, Dividends, Per Share, Declared |  | $ 0.5 |  |  |
O2025Q3 Dividends [Member] | Forecast [Member] |  |  |  |  |
Common Stock, Dividends, Per Share, Declared | $ 0.5 |  |  |  |
S 2025 Q3 Dividends [Member] | Forecast [Member] |  |  |  |  |
Common Stock, Dividends, Per Share, Declared | $ 2.5 |  |  |  |
Dividends Payable, Current | $ 10,224 |  |  |  |

X
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