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Note 8 - Post Employment Benefit Obligations (Details Textual) - USD ($)
$ in Thousands
May 02, 2017
Jun. 01, 2024
Nov. 25, 2023
Postemployment Benefits Liability, Noncurrent   $ 10,758 $ 10,207
Unfunded Deferred Compensation Plan [Member]      
Postemployment Benefits Liability, Noncurrent   1,656 1,655
Deferred Compensation, Management Savings Plan [Member]      
Postemployment Benefits Liability, Noncurrent   3,117 2,661
Management Savings Plan [member]      
Defined Benefit Plan, Fixed Future Benefit Award $ 2,000    
Defined Benefit Plan, Fixed Future Benefit Award, Individual Participants $ 400    
Postemployment Benefits Liability, Noncurrent   1,279 1,234
Supplemental Employee Retirement Plan [Member]      
Liability, Other Postretirement Defined Benefit Plan   $ 5,827 $ 5,778