Acquisitions and Divestitures Acquisitions (Schedule of Pro Forma Information) (Details) - Ruckus [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Oct. 29, 2016	Oct. 31, 2015
Business Acquisition, Pro Forma Revenue	$ 2,556,240	$ 2,633,746
Business Acquisition, Pro Forma Net Income (Loss)	$ (187,167)	$ (227,566)
Business Acquisition, Pro Forma Earnings Per Share, Basic	$ 0.46	$ 0.54
Business Acquisition, Pro Forma Earnings Per Share, Diluted	$ 0.45	$ 0.53
Fair Value Adjustment to Inventory [Member]
Business Acquisition, Pro Forma Net Income (Loss)		$ 35,882
Acquisition-related Costs [Member]
Business Acquisition, Pro Forma Net Income (Loss)		$ 27,972

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

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