Note 5 - Share-based Compensation (Details Textual) - shares |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Jun. 27, 2026 |
Jun. 28, 2025 |
Jun. 27, 2026 |
Jun. 28, 2025 |
Jun. 28, 2025 |
|
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) | 0 | 0 | |||
| Five Year Options [Member] | |||||
| Share Based Compensation Arrangement by Share Based Payment Award Fair Value Assumptions Volatility Calculation Term | 51 months | ||||
| Ten Year Options [Member] | |||||
| Share Based Compensation Arrangement by Share Based Payment Award Fair Value Assumptions Volatility Calculation Term | 10 years | ||||
| Restricted Stock Units (RSUs) [Member] | |||||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares) | 34,609 | 21,311 | 62,761 | 34,868 | |
| Performance Shares [Member] | |||||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares) | 8,919 | 3,951 | 37,063 | 17,500 | |