Note 10 - Pension and Postretirement Benefits (Details Textual) - USD ($) $ in Thousands		12 Months Ended
		Nov. 28, 2015	Nov. 29, 2014	Nov. 30, 2013
Supplemental Executive Retirement Plan [Member]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase		4.50%	4.50%	4.50%
Four Percent Match [Member]
Defined Contribution Plan, Cost Recognized		$ 4,502
Three Percent Match [Member]
Defined Contribution Plan, Cost Recognized		$ 4,873
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]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	[1]	4.50%	4.50%	4.50%
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, Settlements, Benefit Obligation		$ 15,493
Defined Benefit Plan, Actuarial Gain (Loss)	[2]	$ 15,317	$ (62,014)
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate		4.28%	4.08%	4.77%
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		$ 1,995
Pension Benefits US Plans and Other Postretirement Plans [Member]
Defined Benefit Plan, Accumulated Benefit Obligation		$ 407,011	$ 445,701
Foreign Pension Plan [Member] | Equity Funds [Member]
Defined Benefit Plan, Target Plan Asset Allocations		49.50%
Foreign Pension Plan [Member] | Fixed Income Funds [Member]
Defined Benefit Plan, Target Plan Asset Allocations		50.50%
Foreign Pension Plan [Member]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	[1]	1.58%	1.67%	1.84%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets		6.22%	6.17%	5.96%
Defined Benefit Plan, Settlements, Benefit Obligation			$ 1,638
Defined Benefit Plan, Actuarial Gain (Loss)	[2]	$ (3,780)	(30,312)
Defined Benefit Plan, Accumulated Benefit Obligation		$ 193,565	$ 211,488
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate		2.82%	2.90%	3.74%
Defined Benefit Plan, Target Plan Asset Allocations		100.00%
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%
Assumption Changes [Member]
Defined Benefit Plan, Actuarial Gain (Loss)		$ 11,455
Plan Experience [Member]
Defined Benefit Plan, Actuarial Gain (Loss)		$ 3,862
Fixed Income Funds [Member]
Defined Benefit Plan, Target Plan Asset Allocations		40.00%
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		$ 9,375	$ 9,414	$ 8,022
Pension and Other Postretirement Defined Benefit Plans, Liabilities		$ 6,062	$ 5,989
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		$ 307

[1] 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 2015, 2014 and 2013 are for the supplemental executive retirement plan only.

[2] Actuarial gain includes $11,455 due to assumption changes and $3,862 due to plan experience.