|
Stock Based Compensation Plans (Shares Reserved and Issued and Assumptions) (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified |
6 Months Ended | |
|---|---|---|
|
Apr. 30, 2013
|
Apr. 30, 2012
|
|
| 2008 Omnibus Incentive Plan | ||
| Non-Voting common stock reserved for issuance under the Company's plan | 19.8 | |
| Restricted stock issued under plan | 6.0 | |
| Stock options issued under plan | 14.5 | |
| Weighted-average grant date fair value | ||
| Weighted-average grant date fair value of options granted ($ per share) | $ 7.68 | $ 6.68 |
| Black-Scholes option pricing model assumptions: | ||
| Dividend yield minimum | 2.80% | 2.90% |
| Dividend yield maximum | 5.50% | 3.10% |
| Volatility | 36.00% | 36.00% |
| Risk-free interest rate | 1.50% | |
| Risk-free interest rate minimum | 1.20% | |
| Risk-free interest rate maximum | 1.30% | |
| Expected life of options (in years) | 7 years 1 month | 7 years 2 months |