Note 10 - Post Employment Benefit Obligations - Pension Liability (Details) - USD ($) $ in Thousands	Aug. 29, 2015	Nov. 29, 2014
Supplemental Employee Retirement Plan [Member]
Accrued compensation and benefits	$ 724	$ 724
Postemployment Benefits Liability, Noncurrent	9,599	9,652
Total pension liability	10,323	10,376
Unfunded Deferred Compensation Plan [Member]
Accrued compensation and benefits	328	328
Postemployment Benefits Liability, Noncurrent	1,753	1,846
Total pension liability	2,081	2,174
Postemployment Benefits Liability, Noncurrent	$ 11,353	$ 11,498