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Stock-Based Benefit Plans (Stock Option Activity Table) (Details 3) - Employee Stock Option [Member] - $ / shares
shares in Thousands
12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Oct. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Beginning outstanding balance, stock options 6,120 8,514 8,025
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures 210 595 965
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (797) (2,863) (255)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period (30) (126) (221)
Ending outstanding balance, stock options 5,503 6,120 8,514
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number 4,231 4,266 6,407
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 27.60 $ 26.36 $ 25.75
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price 47.84 31.61 32.85
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price 24.16 24.54 24.04
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price 33.08 32.10 35.23
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price 28.84 27.60 26.36
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price $ 27.03 $ 25.42 $ 24.14