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Acquisitions, Divestitures, AHS Acquisitions, Divestitures, AHS (Schedule of Long Lived AHS) (Details) - USD ($)
$ in Thousands
Jul. 29, 2017
Oct. 29, 2016
Long Lived Assets Held-for-sale [Line Items]    
Current assets held for sale $ 26,279 $ 0
Current liabilities held for sale 8,421 $ 0
HFS, vADC and vEPC [Member] | Disposal Group, Held-for-sale [Member]    
Long Lived Assets Held-for-sale [Line Items]    
Disposal Group, Prepaid and Other Assets, Current 180  
Disposal Group, Property, Plant and Equipment, Current 1,019  
Disposal Group, Goodwill, Current 12,921  
Disposal Group, Intangible Assets, Current 12,159  
Current assets held for sale 26,279  
Disposal Group, Accrued Liabilities, Current 179  
Disposal Group, Deferred Revenue, Current 8,242  
Current liabilities held for sale $ 8,421