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Note 8 - Post Employment Benefit Obligations (Details Textual) - USD ($)
$ in Thousands
May 02, 2017
Mar. 01, 2025
Nov. 30, 2024
Postemployment Benefits Liability, Noncurrent   $ 10,958 $ 10,882
Unfunded Deferred Compensation Plan [Member]      
Postemployment Benefits Liability, Noncurrent   1,560 1,568
Deferred Compensation, Management Savings Plan [Member]      
Postemployment Benefits Liability, Noncurrent   3,540 3,486
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   1,381 1,360
Supplemental Employee Retirement Plan [Member]      
Liability, Other Postretirement Defined Benefit Plan   $ 5,600 $ 5,557