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Note 2 - Acquisitions and Divestitures - Purchase Price Allocation of Assets and Liabilities Assumed of Tonsan Adhesive (Details) - USD ($)
$ in Thousands
Dec. 03, 2016
Nov. 28, 2015
Feb. 03, 2015
Feb. 02, 2015
Nov. 29, 2014
Goodwill $ 366,248 $ 354,204     $ 255,972
Tonsan Adhesive [Member]          
Current assets       $ 49,839  
Property, plant and equipment       59,142  
Goodwill [1]       125,790  
Current liabilities       (38,068)  
Other liabilities       (24,305)  
Redeemable non-controlling interests       (11,773)  
Total purchase price       215,925  
Tonsan Adhesive [Member] | Developed Technology Rights [Member]          
Other intangibles       18,600  
Tonsan Adhesive [Member] | Customer Relationships [Member]          
Other intangibles     $ 416 25,700  
Tonsan Adhesive [Member] | Trademarks and Trade Names [Member]          
Other intangibles       $ 11,000  
[1] Included in goodwill is the correction of an error related to the valuation of the contingent consideration and goodwill of $9,572 as of February 28, 2015.