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		9 Months Ended
	Aug. 02, 2014	Jul. 27, 2013	Aug. 02, 2014	Jul. 27, 2013
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	$ 21,574	$ 18,769	$ 61,214	$ 57,091
Cost of revenues
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	4,121	3,858	10,738	11,345
Research and development
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	4,350	4,020	13,107	13,205
Sales and marketing
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	7,592	7,164	22,819	23,321
General and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	$ 5,511	$ 3,727	$ 14,550	$ 9,220