Note 10 - Post-employment Benefit Obligations - Plan Summary (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2024	Nov. 25, 2023	Nov. 26, 2022
Projected benefit obligation at beginning of year	$ 6,979	$ 7,262
Service cost	13	27	$ 36
Interest cost	391	370	231
Actuarial (gains) and losses	(170)	(424)
Benefits paid	(296)	(256)
Projected benefit obligation at end of year	6,917	6,979	$ 7,262
Accumulated Benefit Obligation	$ 6,917	$ 6,979
Discount rate used to value the ending benefit obligations:	5.00%	5.92%
Current liabilities	$ 792	$ 719
Noncurrent liabilities	6,085	6,260
Total amounts recognized	6,877	6,979
Prior service cost	0	103
Actuarial (gain) loss	(1,066)	(965)
Net amount recognized	(1,066)	(862)
Total recognized in net periodic benefit cost and accumulated other comprehensive income:	$ 234	$ (27)