Stock-Based Compensation (Stock-Based Compensation Expense Included In Line Items Of Consolidated Statements Of Operations) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	May 03, 2014	Apr. 27, 2013	May 03, 2014	Apr. 27, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	$ 21,052	$ 19,172	$ 39,640	$ 38,322
Cost of revenues
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	3,474	3,541	6,617	7,487
Research and development
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	4,422	4,500	8,757	9,185
Sales and marketing
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	8,462	8,012	15,227	16,157
General and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	$ 4,694	$ 3,119	$ 9,039	$ 5,493