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Business Acquisitions, Investments and Redeemable Noncontrolling Interests (FibeRio) (Details) - USD ($)
$ in Thousands
Mar. 07, 2016
Dec. 03, 2016
Nov. 28, 2015
Nov. 29, 2014
Business Acquisition [Line Items]        
Goodwill   $ 502,908 $ 506,265 $ 507,172
FiberRio Technology Corporation [Member]        
Business Acquisition [Line Items]        
Business acquisition purchase price $ 11,918      
Payments to acquire businesses 8,031      
Fair value of contingent consideration 3,887      
Contingent consideration, range out outcomes, low 1,250      
Contingent consideration, range out outcomes, high 17,000      
Acquired intangible assets 5,000      
Property, plant and equipment 3,023      
Goodwill 3,895      
Other Noncurrent Liabilities [Member] | FiberRio Technology Corporation [Member]        
Business Acquisition [Line Items]        
Fair value of contingent consideration $ 3,887 $ 3,732