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Stock-Based Compensation (Narrative) (Details) (USD $)
12 Months Ended 12 Months Ended
Oct. 26, 2013
2009 Employee Stock Purchase Plan
Oct. 26, 2013
Stock options
Oct. 26, 2013
Restricted stock units
Oct. 27, 2012
Restricted stock units
Oct. 29, 2011
Restricted stock units
Oct. 26, 2013
Restricted stock units
Minimum
Oct. 26, 2013
Restricted stock units
Maximum
Oct. 26, 2013
Employee stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award                
Shares authorized for issuance under plan 65,000,000              
Shares available for issuance under plan 27,900,000 56,756,000            
Discount from Market Price At Offering Date 85.00%             85.00%
Maximum payroll deductions 15.00%             15.00%
Plan Offering Period 24 months             24 months
Plan Purchase Period 6 months             6 months
Award vesting period           1 year 4 years  
RSUs, Nonvested, Aggregate intrinsic value     $ 178,800,000 $ 116,600,000 $ 105,900,000