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Stock-Based Compensation (Narrative) (Details) (Stock Options [Member], USD $)
In Millions, unless otherwise specified
3 Months Ended
Jan. 28, 2012
Jan. 29, 2011
Stock Options [Member]
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Aggregate intrinsic value $ 8.8 $ 9.5