Stock-Based Compensation (Stock-Based Compensation Expense Included In Line Items Of Consolidated Statements Of Operations) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Nov. 01, 2014	Oct. 26, 2013	Oct. 27, 2012
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	$ 84,914	$ 73,618	$ 77,169
Cost of revenues
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	14,963	14,519	15,433
Research and development
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	18,635	17,509	17,952
Sales and marketing
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	31,650	29,425	33,257
General and administrative
Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Total stock-based compensation	$ 19,666	$ 12,165	$ 10,527