Stock-Based Compensation (Schedule of Share-based Compensation, Activity) (Details) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended
	Jan. 26, 2013	Jan. 28, 2012
Stock options
Share-based Compensation Arrangement by Share-based Payment Award
Stock options, Granted	2,400	0
Stock options, Weighted-Average Grant Date Fair Value (dollars per share)	$ 2.40	$ 0.00
Stock options, Exercises in Period, Total Intrinsic Value	$ 5.1	$ 8.8
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award
RSUs, Granted	3,777	812
RSUs, Weighted-Average Grant Date Fair Value (dollars per share)	$ 5.58	$ 5.55