Note 10 - Post-employment Benefit Obligations - Plan Summary (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 25, 2023	Nov. 26, 2022	Nov. 27, 2021
Projected benefit obligation at beginning of year	$ 7,262	$ 10,740
Service cost	27	36	$ 121
Interest cost	370	231	196
Actuarial (gains) and losses	(424)	(2,503)
Benefits paid	(256)	(1,242)
Projected benefit obligation at end of year	6,979	7,262	$ 10,740
Accumulated Benefit Obligation	$ 6,979	$ 7,262
Discount rate used to value the ending benefit obligations:	5.92%	5.38%
Current liabilities	$ 719	$ 698
Noncurrent liabilities	6,260	6,564
Total amounts recognized	6,979	7,262
Prior service cost	103	229
Actuarial (gain) loss	(965)	(543)
Net amount recognized	(862)	(314)
Total recognized in net periodic benefit cost and accumulated other comprehensive income:	$ (27)	$ (2,236)