v3.25.4
Note 10 - Post-employment Benefit Obligations (Details Textual)
$ in Thousands
12 Months Ended
May 02, 2017
USD ($)
May 01, 2017
Nov. 29, 2025
USD ($)
Nov. 30, 2024
USD ($)
Nov. 25, 2023
USD ($)
Nov. 26, 2022
USD ($)
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax     $ (972) $ (1,066)    
Defined Benefit Plan, Expected Amortization, Next Fiscal Year     56      
Postemployment Benefits Liability, Noncurrent     $ 11,379 10,882    
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay     25.00%      
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent     8.00%      
Defined Contribution Plan, Cost     $ 921 943 $ 998  
Unfunded Deferred Compensation Plan [Member]            
Pension Cost (Reversal of Cost)       108 79 $ 204
Postemployment Benefits Liability, Noncurrent     1,562 1,568    
Postemployment Benefits Liability, Current     1,142 1,123    
Management Savings Plan [member]            
Defined Benefit Plan, Fixed Future Benefit Award $ 2,000          
Defined Benefit Plan, Fixed Future Benefit Award, Individual Participants $ 400          
Defined Benefit Plan, Benefit Obligation, Number of Annual Installments 10          
Payment to Acquire Life Insurance Policy, Operating Activities       343 1,019  
Net Refund on Premiums Paid to Acquire Life Insurance Policy, Operating Activities     28      
Current Net Death Benefit     16,343      
Supplemental Employee Retirement Plan [Member]            
Deferred Compensation Arrangement with Individual, Deferred Compensation, Maximum Percentage of Base Salary   75.00%        
Deferred Compensation Arrangement with Individual, Deferred Compensation, Maximum Percentage of Discretionary, Annual Incentive or Other Bonus   100.00%        
Deferred Compensation Arrangement with Individual, Deferred Compensation, Scheduled Distributions, Maximum Number of Years (Year)   5 years        
Deferred Compensation Arrangement with Individual, Compensation Expense     537 925 $ 46  
Current Net Death Benefit     $ 1,542      
Percent Of Final Average Compensation Provided By Supplemental Retirement Income Plan     65.00%      
Death Benefit Percent Of Final Average Annual Compensation For Period of 120 Months     50.00%      
Death Benefit Payment Term     120 months      
Death Benefit Percent Of Final Average Annual Compensation Single Payment     200.00%      
Supplemental Employee Retirement Plan [Member] | Non-current Portion of Post Employment Benefits Liability [Member]            
Deferred Compensation Arrangement with Individual, Recorded Liability     $ 3,968 $ 3,486