|
Common Stock (Details)
|
12 Months Ended |
|
Oct. 31, 2011
|
| Common Stock Disclosure Details [Abstract] |
|
| Amount of non-voting common stock shares authorized by the Company's Board of Directors to be repurchased under the stock repurchase plan |
8,000,000 |
| Non-voting comon stock shares repurchased and retired under the Company's previous repurchase authorization during the period |
7,300,000 |
| Non-voting comon stock shares repurchased and retired under the Company's current stock repurchase plan during the period |
20,352 |
| Non-voting shares remaining to be repurchased and retired under the Company's current stock repurchase plan as of the end of the period |
8,000,000 |