Note 10 - Pension and Postretirement Benefits - Asset Allocation (Details)	12 Months Ended
	Dec. 03, 2016	Nov. 28, 2015
United States Pension Plan of US Entity [Member]
Defined Benefit Plan, Target Plan Asset Allocation	100.00%
Percentage of Plan Assets at Year End	100.00%	100.00%
Foreign Pension Plan [Member]
Defined Benefit Plan, Target Plan Asset Allocation	100.00%
Percentage of Plan Assets at Year End	100.00%	100.00%
Other Postretirement Benefit Plan [Member]
Defined Benefit Plan, Target Plan Asset Allocation	100.00%
Percentage of Plan Assets at Year End	100.00%	100.00%
Equity Funds [Member] | United States Pension Plan of US Entity [Member]
Defined Benefit Plan, Target Plan Asset Allocation	60.00%
Percentage of Plan Assets at Year End	62.40%	57.70%
Equity Funds [Member] | Foreign Pension Plan [Member]
Defined Benefit Plan, Target Plan Asset Allocation	49.00%
Percentage of Plan Assets at Year End	49.80%	50.30%
Equity Funds [Member] | Other Postretirement Benefit Plan [Member]
Defined Benefit Plan, Target Plan Asset Allocation	0.00%
Percentage of Plan Assets at Year End	0.00%	0.00%
Fixed Income Funds [Member]
Defined Benefit Plan, Target Plan Asset Allocation	40.00%
Fixed Income Funds [Member] | United States Pension Plan of US Entity [Member]
Defined Benefit Plan, Target Plan Asset Allocation	40.00%
Percentage of Plan Assets at Year End	38.40%	38.80%
Fixed Income Funds [Member] | Foreign Pension Plan [Member]
Defined Benefit Plan, Target Plan Asset Allocation	51.00%
Percentage of Plan Assets at Year End	49.60%	49.10%
Fixed Income Funds [Member] | Other Postretirement Benefit Plan [Member]
Defined Benefit Plan, Target Plan Asset Allocation	0.00%
Percentage of Plan Assets at Year End	0.00%	0.00%
Insurance [Member] | United States Pension Plan of US Entity [Member]
Defined Benefit Plan, Target Plan Asset Allocation	0.00%
Percentage of Plan Assets at Year End	0.00%	0.00%
Insurance [Member] | Foreign Pension Plan [Member]
Defined Benefit Plan, Target Plan Asset Allocation	0.00%
Percentage of Plan Assets at Year End	0.00%	0.00%
Insurance [Member] | Other Postretirement Benefit Plan [Member]
Defined Benefit Plan, Target Plan Asset Allocation	100.00%
Percentage of Plan Assets at Year End	99.10%	99.50%
Cash [Member] | United States Pension Plan of US Entity [Member]
Defined Benefit Plan, Target Plan Asset Allocation	0.00%
Percentage of Plan Assets at Year End	0.80%	3.50%
Cash [Member] | Foreign Pension Plan [Member]
Defined Benefit Plan, Target Plan Asset Allocation	0.00%
Percentage of Plan Assets at Year End	0.60%	0.60%
Cash [Member] | Other Postretirement Benefit Plan [Member]
Defined Benefit Plan, Target Plan Asset Allocation	0.00%
Percentage of Plan Assets at Year End	0.90%	0.50%