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Share-Based Compensation (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Apr. 26, 2013
Apr. 27, 2012
Apr. 26, 2013
Apr. 27, 2012
Share-based compensation (Textual) [Abstract]        
Share-based compensation expense $ 10.7 $ 7.2 $ 18.3 $ 14.4
Deferred tax asset related to the share-based compensation expense $ 3.1 $ 2.2 $ 5.2 $ 4.4