Note 10 - Post Employment Benefit Obligations - Components of Net Periodic Pension Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 29, 2015	Aug. 30, 2014	Aug. 29, 2015	Aug. 30, 2014
Service cost	$ 26	$ 20	$ 78	$ 59
Interest cost	94	93	281	279
Amortization of transition obligation	11	10	32	32
Amortization of loss	49	31	146	92
Net periodic pension cost	$ 180	$ 154	$ 537	$ 462