Note 10 - Post-employment Benefit Obligations - Plan Summary (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Nov. 29, 2025 |
Nov. 30, 2024 |
Nov. 25, 2023 |
|
| Projected benefit obligation at beginning of year | $ 6,917 | $ 6,979 | |
| Service cost | 15 | 13 | $ 27 |
| Interest cost | 325 | 391 | 370 |
| Actuarial (gains) and losses | 29 | (170) | |
| Benefits paid | (296) | (296) | |
| Projected benefit obligation at end of year | 6,990 | 6,917 | $ 6,979 |
| Accumulated Benefit Obligation | $ 6,990 | $ 6,917 | |
| Discount rate used to value the ending benefit obligations: | 4.50% | 5.00% | |
| Current liabilities | $ 815 | $ 792 | |
| Noncurrent liabilities | 6,175 | 6,125 | |
| Total amounts recognized | 6,990 | 6,917 | |
| Actuarial (gain) loss | (972) | (1,066) | |
| Net amount recognized | (972) | (1,066) | |
| Total recognized in net periodic benefit cost and accumulated other comprehensive income: | $ 369 | $ 234 | |
| X | ||||||||||
- Definition Amount recognized in net periodic benefit cost (credit) and other comprehensive (income) loss. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of asset (liability), recognized in statement of financial position, for defined benefit pension and other postretirement plans. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as current. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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