Note 10 - Pension and Postretirement Benefits - Fair Value of Plan Assets (Details) - USD ($) $ in Thousands		Dec. 03, 2016	Nov. 28, 2015	Nov. 29, 2014
Foreign Pension Plan [Member]
Fair Value of Plan Assets		$ 163,323	$ 172,241	$ 188,210
Foreign Pension Plan [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets		72,651	73,686
Foreign Pension Plan [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets		7,178	7,033
Foreign Pension Plan [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets		569	530
Foreign Pension Plan [Member] | Equity Funds [Member]
Fair Value of Plan Assets		31,330	32,387
Foreign Pension Plan [Member] | Equity Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets		30,165	31,253
Foreign Pension Plan [Member] | Equity Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets		1,165	1,134
Foreign Pension Plan [Member] | Equity Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets
Foreign Pension Plan [Member] | Fixed Income Funds [Member]
Fair Value of Plan Assets		48,072	48,001
Foreign Pension Plan [Member] | Fixed Income Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets		41,490	41,572
Foreign Pension Plan [Member] | Fixed Income Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets		6,013	5,899
Foreign Pension Plan [Member] | Fixed Income Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets		569	530	582
Foreign Pension Plan [Member] | Cash [Member]
Fair Value of Plan Assets		996	861
Foreign Pension Plan [Member] | Cash [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets		996	861
Foreign Pension Plan [Member] | Cash [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets
Foreign Pension Plan [Member] | Cash [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets
Foreign Pension Plan [Member] | Total Categorized in the Fair Value Hierarchy [Member]
Fair Value of Plan Assets		80,398	81,249
Foreign Pension Plan [Member] | Total Categorized in the Fair Value Hierarchy [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets		72,651	73,686
Foreign Pension Plan [Member] | Total Categorized in the Fair Value Hierarchy [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets		7,178	7,033
Foreign Pension Plan [Member] | Total Categorized in the Fair Value Hierarchy [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets		569	530
Foreign Pension Plan [Member] | Other Investments Measured at NAV [Member]
Fair Value of Plan Assets	[1]	82,925	90,992
Foreign Pension Plan [Member] | Other Investments Measured at NAV [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets	[1]
Foreign Pension Plan [Member] | Other Investments Measured at NAV [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets	[1]
Foreign Pension Plan [Member] | Other Investments Measured at NAV [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets	[1]
Other Postretirement Benefit Plan [Member]
Fair Value of Plan Assets		66,640	62,585	63,076
Other Postretirement Benefit Plan [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets		576	286
Other Postretirement Benefit Plan [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets
Other Postretirement Benefit Plan [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets		66,064	62,299
Other Postretirement Benefit Plan [Member] | Insurance [Member]
Fair Value of Plan Assets		66,064	62,299
Other Postretirement Benefit Plan [Member] | Insurance [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets
Other Postretirement Benefit Plan [Member] | Insurance [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets
Other Postretirement Benefit Plan [Member] | Insurance [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets		66,064	62,299	61,980
Other Postretirement Benefit Plan [Member] | Cash [Member]
Fair Value of Plan Assets		576	286
Other Postretirement Benefit Plan [Member] | Cash [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets		576	286
Other Postretirement Benefit Plan [Member] | Cash [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets
Other Postretirement Benefit Plan [Member] | Cash [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets
United States Pension Plan of US Entity [Member]
Fair Value of Plan Assets		331,505	336,461	384,335
United States Pension Plan of US Entity [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets		166,153	165,698
United States Pension Plan of US Entity [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets		165,032	170,411
United States Pension Plan of US Entity [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets		320	352
United States Pension Plan of US Entity [Member] | Equity Funds [Member]
Fair Value of Plan Assets		206,944	194,141
United States Pension Plan of US Entity [Member] | Equity Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets		127,275	123,816
United States Pension Plan of US Entity [Member] | Equity Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets		79,669	70,325
United States Pension Plan of US Entity [Member] | Equity Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets
United States Pension Plan of US Entity [Member] | Fixed Income Funds [Member]
Fair Value of Plan Assets		127,196	130,386
United States Pension Plan of US Entity [Member] | Fixed Income Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets		41,513	29,948
United States Pension Plan of US Entity [Member] | Fixed Income Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets		85,363	100,086
United States Pension Plan of US Entity [Member] | Fixed Income Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets		320	352	$ 407
United States Pension Plan of US Entity [Member] | Cash [Member]
Fair Value of Plan Assets		(2,635)	11,934
United States Pension Plan of US Entity [Member] | Cash [Member] | Fair Value, Inputs, Level 1 [Member]
Fair Value of Plan Assets		(2,635)	11,934
United States Pension Plan of US Entity [Member] | Cash [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value of Plan Assets
United States Pension Plan of US Entity [Member] | Cash [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value of Plan Assets

[1] In accordance with Subtopic 820 - 10, certain investments that are measured at NAV (Net Asset Value per share) (or its equivalent) practical expedient have not been classified in the fair value hierarchy. The fair value amounts represented in this table are intended to permit reconciliation of the fair value hierarchy to the amounts presented in the statement of financial position.