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Note 2 - Interim Financial Presentation (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
May 28, 2022
May 29, 2021
May 28, 2022
May 29, 2021
Nov. 27, 2021
Effective Income Tax Rate Reconciliation, Percent, Total 26.00% 25.80% 26.00% 27.30%  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent     21.00%    
Effective Income Tax Rate Reconciliation, Impairment of Non-deductible Goodwill $ 552   $ 552    
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Amount   $ 18   $ 117  
Income Taxes Paid, Net, Total     14,663 $ 626  
Income Taxes Receivable, Current 1,724   1,724   $ 8,379
Domestic Tax Authority [Member]          
Income Taxes Receivable, Current $ 8,511   $ 8,511