Note 10 - Pension and Postretirement Benefits - Weighted-average Assumption Used to Determine Benefit Obligations and Net Costs (Details)		12 Months Ended
		Dec. 02, 2023	Dec. 03, 2022	Nov. 27, 2021
UNITED STATES
Discount rate		5.66%	5.36%	2.76%
Expected return on plan assets		7.75%	7.00%	7.25%
Foreign Plan [Member]
Expected return on plan assets		5.02%	3.49%	6.15%
Pension Plan [Member] | UNITED STATES
Discount rate		5.66%	5.36%	2.75%
Rate of compensation increase	[1]	0.00%	0.00%	0.00%
Discount rate		5.36%	2.75%	2.50%
Expected return on plan assets		7.75%	7.00%	7.24%
Rate of compensation increase	[1]	0.00%	0.00%	0.00%
Pension Plan [Member] | Foreign Plan [Member]
Discount rate		4.37%	3.70%	1.27%
Rate of compensation increase	[1]	1.82%	1.83%	1.48%
Discount rate		3.71%	1.29%	1.19%
Expected return on plan assets		5.02%	3.49%	6.15%
Rate of compensation increase	[1]	1.82%	1.68%	1.67%
Other Postretirement Benefits Plan [Member]
Discount rate		5.61%	5.29%	2.51%
Discount rate		5.29%	2.51%	2.19%
Expected return on plan assets		8.25%	8.25%	8.25%

[1] Under the U.S. pension plan, the compensation amount was locked-in as of May 31, 2011 and thus the benefit no longer includes compensation increases. The 4.50 percent rate for 2020 and 2019 is for the supplemental executive retirement plan only; for 2021, there is no compensation increase as subsequent to November 27, 2021, there were no active employees in the supplemental executive retirement plan.