Goodwill And Intangible Assets Goodwill and Intangible Assets (Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2015	Nov. 01, 2014	Oct. 26, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 52,260	$ 1,840	$ 3,390
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years 10 months 27 days	5 years	4 years 4 days
Trade names
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 500	$ 130	$ 460
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	6 years	5 years	4 years
Core/developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 28,450	$ 1,710	$ 1,040
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	4 years 14 days	5 years	3 years
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 22,030		$ 1,080
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years 11 months 6 days		5 years
Non-compete agreements
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 240		$ 810
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	2 years		4 years
Patents with broader applications
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets Acquired	$ 1,040
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	15 years