Note 9 - Post Employment Benefit Obligations - Schedule of Accumulated and Projected Benefit Obligations (Details) - USD ($) $ in Thousands |
Feb. 28, 2026 |
Nov. 29, 2025 |
|---|---|---|
| Post employment benefit obligations | $ 11,629 | $ 11,379 |
| Defined Benefit Plans [Member] | ||
| Post employment benefit obligations | 6,195 | 6,175 |
| Deferred Compensation Plans [Member] | ||
| Post employment benefit obligations | 5,434 | 5,204 |
| Supplemental Plan [Member] | Defined Benefit Plans [Member] | ||
| Post employment benefit obligations | 4,922 | 4,917 |
| LTC Awards [Member] | Defined Benefit Plans [Member] | ||
| Post employment benefit obligations | 1,273 | 1,258 |
| Management Savings Plan [member] | ||
| Post employment benefit obligations | 1,393 | 1,379 |
| Management Savings Plan [member] | Deferred Compensation Plans [Member] | ||
| Post employment benefit obligations | 4,181 | 3,968 |
| Deferred Compensation Plans [Member] | Deferred Compensation Plans [Member] | ||
| Post employment benefit obligations | $ 1,253 | $ 1,236 |