Note 9 - Post Employment Benefit Obligations - Components of Net Periodic Pension Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 30, 2025	Aug. 31, 2024	Aug. 30, 2025	Aug. 31, 2024
Service cost	$ 4	$ 3	$ 11	$ 10
Interest cost	81	98	244	293
Amortization of prior service costs	0	26	0	77
Amortization of loss	(16)	(16)	(49)	(48)
Net periodic pension cost	$ 69	$ 111	$ 206	$ 332