|
Condensed Consolidated Statements Of Shareholders' Equity (Parenthetical) (USD $)
|
0 Months Ended | 3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jul. 16, 2012
|
Oct. 31, 2012
|
Jul. 31, 2012
|
Apr. 30, 2012
|
Jan. 31, 2012
|
Oct. 31, 2011
|
Jul. 31, 2011
|
Apr. 30, 2011
|
Jan. 31, 2011
|
Oct. 31, 2012
|
Oct. 31, 2011
|
Oct. 31, 2010
|
|
| Condensed Consolidated Statement Of Shareholders' Equity [Abstract] | ||||||||||||
| Common Stock, Dividends, Per Share, Declared | $ 0.01 | $ 0.015 | $ 0.015 | $ 0.015 | $ 0.015 | $ 0.01 | $ 0.01 | $ 0.01 | $ 0.01 | $ 0.06 | $ 0.04 | $ 0.01 |