XML 42 R61.htm IDEA: XBRL DOCUMENT v2.4.1.9
Income Taxes - Additional Information (Detail) (USD $)
3 Months Ended 6 Months Ended
Apr. 30, 2015
Apr. 30, 2014
Apr. 30, 2015
Apr. 30, 2014
Income Tax Disclosure [Abstract]        
Income tax expense $ 9,600,000us-gaap_IncomeTaxExpenseBenefit $ 19,500,000us-gaap_IncomeTaxExpenseBenefit $ 27,100,000us-gaap_IncomeTaxExpenseBenefit $ 36,000,000us-gaap_IncomeTaxExpenseBenefit
Effective tax rate 31.60%us-gaap_EffectiveIncomeTaxRateContinuingOperations 34.50%us-gaap_EffectiveIncomeTaxRateContinuingOperations 35.60%us-gaap_EffectiveIncomeTaxRateContinuingOperations 34.40%us-gaap_EffectiveIncomeTaxRateContinuingOperations
Discrete income tax Benefit   8,100,000us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation    
Certain tax examinations and expiring statutes of limitations with non-U.S. jurisdictions   2,100,000us-gaap_TaxAdjustmentsSettlementsAndUnusualProvisions    
Deferred income taxes $ 0us-gaap_DeferredIncomeTaxesAndOtherTaxReceivableCurrent   $ 0us-gaap_DeferredIncomeTaxesAndOtherTaxReceivableCurrent