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Note 9 - Post Employment Benefit Obligations - Deferred Compensation Liability (Details) - USD ($)
$ in Thousands
Aug. 25, 2018
Nov. 25, 2017
Post employment benefit obligations $ 13,677 $ 13,326
Deferred Compensation Plans [Member]    
Accrued compensation and benefits 274 274
Post employment benefit obligations 2,212 1,782
Total deferred compensation liability $ 2,486 $ 2,056