Note 9 - Stock-based Compensation - Restricted Stock Units Activity (Details) - Restricted Stock Units (RSUs) [Member] - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Oct. 03, 2026 |
Sep. 27, 2025 |
Sep. 28, 2024 |
|
| Restricted stock units outstanding, beginning balance (in shares) | 147 | 119 | 105 |
| Weighted average grant date fair value, beginning balance (in dollars per share) | $ 32.31 | $ 32.96 | $ 35.07 |
| Granted, units (in shares) | 57 | 68 | 52 |
| Granted, units, weighed average grant date fair value (in dollars per share) | $ 35.11 | $ 32.77 | $ 33.56 |
| Vested, units (in shares) | (65) | (40) | (38) |
| Vested, units, weighted average grant date fair value (in dollars per share) | $ 30.96 | $ 35.05 | $ 33.02 |
| Vested, units, aggregate intrinsic value | $ 2,314 | $ 1,323 | $ 1,322 |
| Restricted stock units outstanding, ending balance (in shares) | 139 | 147 | 119 |
| Weighted average grant date fair value, ending balance (in dollars per share) | $ 34.09 | $ 32.31 | $ 32.96 |