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Note 9 - Post Employment Benefit Obligations - Deferred Compensation Liability (Details) - USD ($)
$ in Thousands
Feb. 25, 2017
Nov. 26, 2016
Post employment benefit obligations $ 12,748 $ 12,760
Unfunded Deferred Compensation Plan [Member]    
Accrued compensation and benefits 296 296
Post employment benefit obligations 1,653 1,673
Total deferred compensation liability $ 1,949 $ 1,969