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Amount classified as goodwill attributable to disposal group held for sale or disposed of.

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The gain (loss) resulting from the sale of a disposal group that is not a discontinued operation. It is included in income from continuing operations before income taxes in the income statement.

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No definition available.

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Acquisitions and Divestitures Divestitures (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jan. 25, 2014	Oct. 31, 2015	Nov. 01, 2014	Oct. 26, 2013	Jan. 17, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Disposal Group, Gain (Loss) on Disposal		$ 0	$ 4,884	$ 0
Network Adapter Business [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Disposal Group, Description and Timing of Disposal	On January 17, 2014, the Company completed the sale of its network adapter business to QLogic Corporation as part of the Company’s business strategy to focus development on a portfolio of high-performance networking hardware and software-based products and services.
Disposal Group, Including Discontinued Operation, Assets					$ 5,100
Disposal Group, Including Discontinued Operation, Goodwill					$ 4,100
Disposal Group, Gain (Loss) on Disposal			$ 4,900
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Income Statement Caption			Gain on sale of network adapter business