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Stock Based Compensation Plans (Shares Reserved and Issued and Assumptions) (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
12 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Oct. 31, 2010
2008 Omnibus Incentive Plan      
Non-Voting common stock reserved for issuance under the Company's plan 19.8    
Restricted stock issued under plan 4.4    
Stock options issued under plan 11.7    
Weighted-average grant date fair value      
Weighted-average grant date fair value of options granted ($ per share) $ 6.69 $ 8.55 $ 8.84
Black-Scholes option pricing model assumptions:      
Dividend yield minimum 2.90% 2.20% 1.80%
Dividend yield maximum 3.10% 2.50% 2.30%
Volatility   34.00% 33.00%
Volatility minimum 35.00%    
Volatility maximum 36.00%    
Risk-free interest rate minimum 1.00% 2.20% 2.70%
Risk-free interest rate maximum 1.60% 3.10% 3.60%
Expected life of options (in years) 7 years 2 months 7 years 4 months 7 years 4 months