Note 10 - Post Employment Benefit Obligations (Details) - Pension Liability - USD ($) $ in Thousands	May. 30, 2015	Nov. 29, 2014
Note 10 - Post Employment Benefit Obligations (Details) - Pension Liability [Line Items]
Post employment benefit obligations	$ 11,398	$ 11,498
Supplemental Employee Retirement Plan [Member]
Note 10 - Post Employment Benefit Obligations (Details) - Pension Liability [Line Items]
Accrued compensation and benefits	724	724
Post employment benefit obligations	9,617	9,652
Total pension liability	10,341	10,376
Unfunded Deferred Compensation Plan [Member]
Note 10 - Post Employment Benefit Obligations (Details) - Pension Liability [Line Items]
Accrued compensation and benefits	328	328
Post employment benefit obligations	1,781	1,846
Total pension liability	$ 2,109	$ 2,174