Stock-Based Compensation (Stock-Based Compensation Expense Included In Line Items Of Consolidated Statements Of Operations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 29, 2016	Oct. 31, 2015	Nov. 01, 2014
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	$ 131,006	$ 88,528	$ 84,914
Cost of revenues
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	16,882	12,946	14,963
Research and development
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	29,298	18,714	18,635
Sales and marketing
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	53,357	38,340	31,650
General and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	$ 31,469	$ 18,528	$ 19,666