Stock-Based Compensation (Stock-Based Compensation Expense Included In Line Items Of Statements Of Income) (Details) (USD $) In Thousands	3 Months Ended				9 Months Ended
	Jul. 30, 2011		Jul. 31, 2010		Jul. 30, 2011		Jul. 31, 2010
Total stock-based compensation	$ 20,969		$ 24,682		$ 63,405		$ 76,351
Cost Of Revenues [Member]
Total stock-based compensation	4,235	[1]	3,324	[1]	11,262	[1]	10,373	[1]
Research And Development [Member]
Total stock-based compensation	5,581		6,392		14,975		21,508
Sales And Marketing [Member]
Total stock-based compensation	8,670	[1]	10,969	[1]	27,081	[1]	33,813	[1]
General And Administrative [Member]
Total stock-based compensation	$ 2,483		$ 3,997		$ 10,087		$ 10,657

[1] The three and nine months ended July 31, 2010 reflects the reclassification of SE costs from cost of revenue to sales and marketing expenses. See Note 1, "Basis of Presentation," of the Notes to Condensed Consolidated Financial Statements.