|
Shareholders' Equity (Schedule Of Share Repurchases) (Details) (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Oct. 31, 2012
|
Oct. 31, 2011
|
Oct. 31, 2010
|
|
| Shareholders' Equity [Abstract] | |||
| Shares repurchased | 267,000 | 183,025 | 142,823 |
| Cost | $ 1,176,661 | $ 846,287 | $ 425,345 |