Note 9 - Post Employment Benefit Obligations - Schedule of Accumulated and Projected Benefit Obligations (Details) - USD ($) $ in Thousands |
Aug. 29, 2026 |
Nov. 29, 2025 |
|---|---|---|
| Post employment benefit obligations | $ 12,238 | $ 11,379 |
| Defined Benefit Plans [Member] | ||
| Post employment benefit obligations | 6,155 | 6,175 |
| Deferred Compensation Plans [Member] | ||
| Post employment benefit obligations | 6,083 | 5,204 |
| Supplemental Plan [Member] | Defined Benefit Plans [Member] | ||
| Post employment benefit obligations | 4,932 | 4,917 |
| LTC Awards [Member] | Defined Benefit Plans [Member] | ||
| Post employment benefit obligations | 1,223 | 1,258 |
| Management Savings Plan [member] | ||
| Post employment benefit obligations | 1,343 | 1,379 |
| Management Savings Plan [member] | Deferred Compensation Plans [Member] | ||
| Post employment benefit obligations | 4,795 | 3,968 |
| Deferred Compensation Plans [Member] | Deferred Compensation Plans [Member] | ||
| Post employment benefit obligations | $ 1,288 | $ 1,236 |