Note 9 - Post Employment Benefit Obligations - Pension Liability (Details) - Pension Plans Defined Benefit and Supplemental Employee Retirement Plan [Member] - USD ($) $ in Thousands	Jun. 01, 2019	Nov. 24, 2018
Combined pension liability	$ 11,162	$ 11,652
Accrued Compensation and Benefits [Member]
Combined pension liability	798	798
Post Employment Benefit Obligations [Member]
Combined pension liability	$ 10,364	$ 10,854

Amount of liability, recognized in statement of financial position, for pension, other postretirement and postemployment benefits.

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