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Income Taxes (Narrative) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Nov. 02, 2013
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]      
Effective tax rate (ETR) 8.50%us-gaap_EffectiveIncomeTaxRateContinuingOperations 9.10%us-gaap_EffectiveIncomeTaxRateContinuingOperations  
Unrecognized tax benefits that would impact ETR     $ 32.0us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
Interest and penalties     4.1us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued
Unrecognized tax benefits related to tax positions     $ 10.2us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleEstimatedRangeOfChangeUpperBound