Stock-Based Compensation (Stock-Based Compensation Expense By Grant Type) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Oct. 29, 2011	Oct. 30, 2010	Oct. 31, 2009
Total stock-based compensation	$ 83,076	$ 101,625	$ 137,219	[1]
Stock Options [Member]
Total stock-based compensation	3,483	12,383	24,460	[1]
Restricted Stock Units [Member]
Total stock-based compensation	55,750	55,580	87,543	[1]
Employee Stock Purchase Plan [Member]
Total stock-based compensation	$ 23,843	$ 33,662	$ 25,216	[1]

[1] ESPP expense for the year ended October 31, 2009 includes $2.5 million of expenses relating to Foundry's ESPP plan.