Note 13 - Post-Employment Benefit Obligations (Details) - Plan Summary (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Nov. 30, 2013	Nov. 24, 2012	Nov. 26, 2011
Change in Benefit Obligation:
Projected benefit obligation at beginning of year	$ 9,805	$ 9,326
Projected benefit obligation at end of year	9,775	9,805	9,326
Service cost	71	54	47
Interest cost	350	376	420
Actuarial losses	434	709
Benefits paid	(885)	(660)
Accumulated Benefit Obligation	9,215	9,342
Amounts recognized in the consolidated balance sheet:
Current liabilities	810	843
Noncurrent liabilities	8,965	8,962
	9,775	9,805
Amounts recognized in accumulated other comprehensive income:
Transition obligation	212	255
Actuarial loss	2,085	1,732
Net amount recognized	2,297	1,987
Total recognized in net periodic benefit cost and accumulated other comprehensive income:	$ 854	$ 1,139