Note 6 - Share-based Compensation (Details Textual) - shares |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 28, 2025 |
Jun. 29, 2024 |
Jun. 28, 2025 |
Jun. 29, 2024 |
|
| 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) | 21,311 | 14,441 | 34,868 | 25,987 |
| Performance Shares [Member] | ||||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Shares Issued in Period (in shares) | 3,951 | 2,968 | 17,500 | 14,506 |