Note 8 - Post Employment Benefit Obligations - Components of Net Periodic Pension Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2025	Jun. 01, 2024	May 31, 2025	Jun. 01, 2024
Service cost	$ 4	$ 3	$ 8	$ 7
Interest cost	81	98	163	195
Amortization of prior service costs	0	25	0	51
Amortization of loss	(16)	(16)	(32)	(32)
Net periodic pension cost	$ 69	$ 110	$ 139	$ 221