Note 10 - Pension and Postretirement Benefits - Amounts in Accumulated Other Comprehensive Income That Have Not Been Recognized as Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	Dec. 03, 2022	Nov. 27, 2021
Pension Plan [Member] | UNITED STATES
Unrecognized actuarial loss	$ 137,351	$ 129,198
Unrecognized prior service (benefit) cost	0	(3)
Ending balance	137,351	129,195
Pension Plan [Member] | Foreign Plan [Member]
Unrecognized actuarial loss	49,306	64,782
Unrecognized prior service (benefit) cost	1,219	1,390
Ending balance	50,525	66,172
Other Postretirement Benefits Plan [Member]
Unrecognized actuarial loss	(8,530)	(30,278)
Unrecognized prior service (benefit) cost	0	0
Ending balance	$ (8,530)	$ (30,278)