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Employee Benefits (Restricted Stock Award Activity) (Details) (USD $)
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12 Months Ended |
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Oct. 31, 2012
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| Employee Benefits [Abstract] | |
| Balance at October 31, 2011, Shares | 449,992 |
| Granted, Shares | 399,733 |
| Vested, Shares | (259,572) |
| Balance at October 31, 2012, Shares | 590,153 |
| Balance at October 31, 2011, Weighted-average grant date fair value | $ 3.99 |
| Granted, Weighted-average grant date fair value | $ 3.45 |
| Vested, Weighted-average grant date fair value | $ 3.67 |
| Balance at October 31, 2012, Weighted-average grant date fair value | $ 3.77 |