Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 31, 2015	Nov. 01, 2014	Oct. 26, 2013
Net revenues:
Product	$ 1,902,401	$ 1,852,187	$ 1,870,567
Service	361,059	359,080	352,297
Total net revenues	2,263,460	2,211,267	2,222,864
Cost of revenues:
Product	587,515	592,441	658,362
Service	147,872	153,033	155,623
Total cost of revenues	735,387	745,474	813,985
Gross margin	1,528,073	1,465,793	1,408,879
Operating expenses:
Research and development	356,720	345,549	378,521
Sales and marketing	585,230	554,515	567,637
General and administrative	87,623	84,941	74,518
Amortization of intangible assets	2,556	10,280	54,256
Acquisition and integration costs	3,942	0	0
Restructuring, goodwill impairment, and other related costs (benefits) (Note 4, 5)	(678)	89,280	25,464
Gain on sale of network adapter business	0	(4,884)	0
Total operating expenses	1,035,393	1,079,681	1,100,396
Income from operations	492,680	386,112	308,483
Interest income	1,854	665	1,404
Other income, net (Note 14)	95	3,601	75,835
Interest expense	(55,578)	(36,757)	(55,261)
Income before income tax	439,051	353,621	330,461
Income tax expense	98,689	115,650	121,838
Net income	$ 340,362	$ 237,971	$ 208,623
Net income per share—basic	$ 0.81	$ 0.55	$ 0.46
Net income per share—diluted	$ 0.79	$ 0.53	$ 0.45
Shares used in per share calculation—basic	420,331	435,258	450,516
Shares used in per share calculation—diluted	430,556	446,859	463,705
Cash dividends declared per share	$ 0.16	$ 0.07	$ 0.00