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Stock-based Compensation Plans - Schedule of Stock Options (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
12 Months Ended
Oct. 31, 2018
Oct. 31, 2017
Oct. 31, 2016
Oct. 31, 2015
Oct. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value $ 3.0 $ 3.0 $ 0.0    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]          
Options, Outstanding, Number 2,408 2,835 2,886    
Options, Grants in Period, Net of Forfeitures 236 301 35    
Options, Exercises in Period (236) (325) 0    
Options, Forfeitures and Expirations in Period (628) (403) (86)    
Options, Outstanding, Number 1,780 2,408 2,835 2,886  
Options, Exercisable, Number 1,396 2,073 2,695    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]          
Options, Outstanding, Weighted Average Exercise Price $ 38.81 $ 38.89 $ 39.33    
Options, Grants in Period, Weighted Average Exercise Price 40.44 27.88 10.60    
Options, Exercises in Period, Weighted Average Exercise Price 32.78 30.25 0.00    
Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price 56.64 38.13 42.30    
Options, Outstanding, Weighted Average Exercise Price 28.98 38.81 38.89 $ 39.33  
Options, Exercisable, Weighted Average Exercise Price $ 33.55 $ 40.72 $ 39.29    
Performance-based Stock Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value $ 1.0 $ 2.0      
Performance-based Stock Options [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 152 599 973 1,409  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 27.59 $ 27.59 $ 30.47 $ 31.64  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 13 0 0    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 27.67 $ 0.00 $ 0.00    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period 434 374 436    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 27.59 $ 35.09 $ 34.22    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Exercisable, Number 151,968     0 0
Market-based Stock Options [Member] [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 387 431 567 615  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 27.24 $ 27.24 $ 27.24 $ 27.24  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period 44   130 0  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value $ 27.24   $ 27.24 $ 0.00  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period 0 6 48    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 0.00 $ 27.24 $ 27.24    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Exercisable, Number 387 431 567    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Exercisable, Weighted Average Grant Date Fair Value $ 27.24 $ 27.24 $ 27.24    
Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments Other than Options, Aggregate Grant Date Fair Value $ 0.1        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 0 0 0 0  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value $ 0.00 $ 0.00 $ 0.00 $ 0.00  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 4 5 5    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 34.97 $ 24.62 $ 12.52    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period 4 5 5    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value $ 34.97 $ 24.62 $ 12.52