Stock-Based Compensation (Stock-Based Compensation Expense Included In Line Items Of Consolidated Statements Of Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 30, 2016	Aug. 01, 2015	Jul. 30, 2016	Aug. 01, 2015
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation expense	$ 44,643	$ 24,437	$ 93,475	$ 64,594
Cost of revenues
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation expense	5,965	3,955	12,400	9,757
Research and development
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation expense	9,206	5,226	19,805	13,239
Sales and marketing
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation expense	17,756	10,601	39,886	27,651
General and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation expense	$ 11,716	$ 4,655	$ 21,384	$ 13,947