Note 6 - Share-based Compensation - Summary of Share-based Compensation Expense (Benefit) (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 28, 2025 |
Jun. 29, 2024 |
Jun. 28, 2025 |
Jun. 29, 2024 |
|
| Employee share-based compensation | $ 1,827 | $ 1,633 | $ 4,580 | $ 4,841 |
| The above compensation is net of tax benefits | 439 | 369 | 1,139 | 1,065 |
| Share-Based Payment Arrangement, Option [Member] | ||||
| Employee share-based compensation | 114 | 309 | 416 | 1,171 |
| Stock Purchase Plan [Member] | ||||
| Employee share-based compensation | 103 | 131 | 330 | 369 |
| Stock Issued to Outside Directors [Member] | ||||
| Employee share-based compensation | 31 | 43 | 109 | 144 |
| Restricted Stock Units (RSUs) [Member] | ||||
| Employee share-based compensation | 1,084 | 637 | 2,679 | 1,763 |
| Performance Shares [Member] | ||||
| Employee share-based compensation | $ 495 | $ 513 | $ 1,046 | $ 1,394 |