Note 10 - Pension and Postretirement Benefits - Change in Benefit Obligation and Plan Assets (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 03, 2022	Nov. 27, 2021	Nov. 28, 2020
UNITED STATES
Settlement payments		$ 0	$ (6,673)
Pension Plan [Member] | UNITED STATES
Benefit obligation at beginning of year		361,212	388,530
Service cost		0	0	$ 0
Interest cost		9,653	9,299	11,738
Participant contributions		0	0
Actuarial (gain)/loss	[1]	(80,296)	(9,177)
Other		0	0
Curtailments		0	0
Settlement payments		(200)	(6,673)
Benefits paid		(20,495)	(20,767)
Foreign currency translation effect		0	0
Benefit obligation at end of year		269,874	361,212	388,530
Level 3 balance		409,811	398,403
Actual return on plan assets		(63,562)	37,466
Employer contributions		1,232	1,382
Participant contributions		0	0
Other		0	0
Settlement payments		(200)	(6,673)
Benefits paid	[2]	(20,495)	(20,767)
Foreign currency translation effect		0	0
Level 3 balance		326,786	409,811	398,403
Plan assets in excess of (less than) benefit obligation as of year end		56,912	48,599
Pension Plan [Member] | Foreign Plan [Member]
Benefit obligation at beginning of year		238,400	250,561
Service cost		2,765	3,280	2,950
Interest cost		2,893	2,941	3,158
Participant contributions		0	0
Actuarial (gain)/loss	[1]	(57,159)	(3,630)
Other		0	0
Curtailments		231	0
Settlement payments		(7,988)	996
Benefits paid		(8,370)	(8,578)
Foreign currency translation effect		(15,922)	(7,170)
Benefit obligation at end of year		154,850	238,400	250,561
Level 3 balance		216,623	202,242
Actual return on plan assets		(45,328)	25,204
Employer contributions		1,640	1,989
Participant contributions		0	0
Other		0	996
Settlement payments		0	0
Benefits paid	[2]	(8,369)	(8,578)
Foreign currency translation effect		(22,658)	(5,230)
Level 3 balance		141,908	216,623	202,242
Plan assets in excess of (less than) benefit obligation as of year end		(12,942)	(21,776)
Other Postretirement Benefits Plan [Member]
Benefit obligation at beginning of year		31,262	39,075
Service cost		0	21	73
Interest cost		748	822	1,135
Participant contributions		296	365
Actuarial (gain)/loss	[1]	(5,395)	(6,115)
Other		0	0
Curtailments		0	0
Settlement payments		0	0
Benefits paid		(2,738)	(2,906)
Foreign currency translation effect		0	0
Benefit obligation at end of year		24,173	31,262	39,075
Level 3 balance		135,701	109,056
Actual return on plan assets		(12,613)	28,716
Employer contributions		136	470
Participant contributions		296	365
Other		0	0
Settlement payments		0	0
Benefits paid	[2]	(2,738)	(2,906)
Foreign currency translation effect		0	0
Level 3 balance		120,782	135,701	$ 109,056
Plan assets in excess of (less than) benefit obligation as of year end		$ 96,608	$ 104,439

[1] Actuarial gain in 2022 and 2021 for the U.S. Plans is primarily due to assumption changes. Actuarial gain in 2022 and 2021 for the Non-U.S. Plans are due to both assumption changes and plan experience.

[2] Amount excludes benefit payments made from sources other than plan assets.