Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Nov. 01, 2014	Oct. 26, 2013	Oct. 27, 2012
Net revenues:
Product	$ 1,852,187	$ 1,870,567	$ 1,890,856
Service	359,080	352,297	346,914
Total net revenues	2,211,267	2,222,864	2,237,770
Cost of revenues:
Product	592,441	658,362	689,856
Service	153,033	155,623	164,895
Total cost of revenues	745,474	813,985	854,751
Gross margin	1,465,793	1,408,879	1,383,019
Operating expenses:
Research and development	345,549	378,521	363,090
Sales and marketing	554,515	567,637	608,502
General and administrative	84,941	74,518	74,583
Amortization of intangible assets	10,280	54,256	59,204
Restructuring, goodwill impairment, and other related costs (recoveries) (Note 5)	89,280	25,464	(89)
Gain on sale of network adapter business	(4,884)	0	0
Total operating expenses	1,079,681	1,100,396	1,105,290
Income from operations	386,112	308,483	277,729
Interest income	665	1,404	659
Other income (loss), net (Note 14)	3,601	75,835	(1,499)
Interest expense	(36,757)	(55,261)	(52,488)
Income before income tax	353,621	330,461	224,401
Income tax expense	115,650	121,838	29,220
Net income	$ 237,971	$ 208,623	$ 195,181
Net income per share—basic	$ 0.55	$ 0.46	$ 0.43
Net income per share—diluted	$ 0.53	$ 0.45	$ 0.41
Shares used in per share calculation—basic	435,258	450,516	456,629
Shares used in per share calculation—diluted	446,859	463,705	472,343
Cash dividends declared per share	$ 0.07	$ 0.00	$ 0.00