Note 10 - Pension and Postretirement Benefits - Pension Plans With Accumulated Benefit and Projected Benefit Obligations in Excess of Plan Assets (Details) - Pension Plan [Member] - USD ($) $ in Thousands	Dec. 02, 2023	Dec. 03, 2022
UNITED STATES
Accumulated benefit obligation	$ 12,329	$ 12,914
Fair value of plan assets	0	0
Projected benefit obligation	12,329	12,914
Fair value of plan assets	0	0
Foreign Plan [Member]
Accumulated benefit obligation	35,034	36,820
Fair value of plan assets	9,700	9,617
Projected benefit obligation	37,510	39,350
Fair value of plan assets	$ 9,700	$ 9,617