Note 10 - Pension and Postretirement Benefits (Details Textual) - USD ($) $ in Thousands		12 Months Ended
		Dec. 03, 2016	Nov. 28, 2015	Nov. 29, 2014
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent		75.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay		4.00%
Defined Contribution Plan, Annual Retirement Percentage		3.00%
Defined Contribution Plan, Cost Recognized		$ 10,417	$ 9,375	$ 9,414
Pension and Other Postretirement Defined Benefit Plans, Liabilities		$ 6,597	6,062
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Increase (decrease) in Discount Rate		0.50%
Impact on Pension and Other Postretirement Benefit Expense from a Change in Discount Rate		$ 213
Fixed Income Funds [Member]
Defined Benefit Plan, Target Plan Asset Allocations		40.00%
United States Pension Plan of US Entity [Member]
Defined Benefit Plan, Settlements, Benefit Obligation		$ 8,399	15,493
Defined Benefit Plan, Actuarial Gain (Loss)	[1]	$ 2,253	$ 15,317
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	[2]	4.50%	4.50%	4.50%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate		4.08%	4.28%	4.08%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets		7.75%	7.75%	7.75%
Defined Benefit Plan, Target Plan Asset Allocations		100.00%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Increase (Decrease) in Expected Long-term Return on Assets		0.50%
Impact on Pension and Other Retirement Benefiit Expense of a Change in Expected Long-term Rate of Return on Assets		$ 1,991
United States Pension Plan of US Entity [Member] | Equity Funds [Member]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets		8.75%
Defined Benefit Plan, Target Plan Asset Allocations		60.00%
United States Pension Plan of US Entity [Member] | Fixed Income Funds [Member]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets		5.00%
Defined Benefit Plan, Target Plan Asset Allocations		40.00%
United States Pension Plan of US Entity [Member] | Change in Assumptions for Pension Plans [Member]
Defined Benefit Plan, Actuarial Gain (Loss)			$ 11,455
United States Pension Plan of US Entity [Member] | Plan Experience [Member]
Defined Benefit Plan, Actuarial Gain (Loss)			3,862
Foreign Pension Plan [Member]
Defined Benefit Plan, Settlements, Benefit Obligation		$ 511
Defined Benefit Plan, Actuarial Gain (Loss)	[1]	(15,254)	(3,780)
Defined Benefit Plan, Accumulated Benefit Obligation		$ 201,151	$ 193,565
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	[2]	1.47%	1.58%	1.67%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate		2.31%	2.82%	2.90%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets		6.20%	6.22%	6.17%
Defined Benefit Plan, Target Plan Asset Allocations		100.00%
Foreign Pension Plan [Member] | Equity Funds [Member]
Defined Benefit Plan, Target Plan Asset Allocations		49.00%
Foreign Pension Plan [Member] | Fixed Income Funds [Member]
Defined Benefit Plan, Target Plan Asset Allocations		51.00%
Foreign Pension Plan [Member] | Change in Assumptions for Pension Plans [Member]
Defined Benefit Plan, Actuarial Gain (Loss)		$ (16,330)
Foreign Pension Plan [Member] | Plan Experience [Member]
Defined Benefit Plan, Actuarial Gain (Loss)		1,076
Pension Benefits US Plans and Other Postretirement Plans [Member]
Defined Benefit Plan, Accumulated Benefit Obligation		$ 392,400	$ 407,011
Pension Benefits United Kingdom Pension Plans [Member]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets		6.75%
Pension Benefits Germany Pension Plans [Member]
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets		5.75%
Supplemental Executive Retirement Plan [Member] | Equity Funds [Member]
Defined Benefit Plan, Target Plan Asset Allocations		60.00%
Supplemental Executive Retirement Plan [Member] | Fixed Income Funds [Member]
Defined Benefit Plan, Target Plan Asset Allocations		40.00%
Four Percent Match [Member]
Defined Contribution Plan, Cost Recognized		$ 4,897
Three Percent Match [Member]
Defined Contribution Plan, Cost Recognized		$ 5,520
Supplemental Executive Retirement Plan [Member]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase		4.50%	4.50%	4.50%

[1] Actuarial gain for the U.S. Plans includes $11,455 due to assumption changes and $3,862 due to plan experience.

[2] Benefits under the U.S. Pension Plan were locked - in as of May 31, 2011 and no longer include compensation increases. The 4.50 percent rate for 2016, 2015 and 2014 are for the supplemental executive retirement plan only.