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Note 9 - Post Employment Benefit Obligations - Pension Liability (Details) - USD ($)
$ in Thousands
Feb. 25, 2017
Nov. 26, 2016
Post employment benefit obligations $ 12,748 $ 12,760
Supplemental Employee Retirement Plan [Member]    
Accrued compensation and benefits 776 776
Post employment benefit obligations 11,095 11,087
Total pension liability $ 11,871 $ 11,863