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Common Stock Repurchases (Details) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended		12 Months Ended
	Jul. 31, 2011 Officer Stock Repurchase [Member]	Jul. 31, 2012 Fiscal Year 2012 Stock Repurchase Program [Member]	Oct. 31, 2011 Fiscal Year 2011 Stock Repurchase Program [Member]
Equity, Type of Repurchased Shares [Line Items]
Stock Repurchase Program, Authorized Amount		$ 5,000	$ 5,000
Stock Repurchase Program, Period in Force		11 months 3 days	11 months 2 days
Stock Repurchased During Period, Shares	62,545	215,844	240,629
Stock Repurchased During Period, Value	844	2,283	3,000
Stock Repurchased - Avg. price per share	$ 13.50	$ 10.58	$ 12.23
Stock Repurchase Program, Remaining Authorized Repurchase Amount		$ 2,717

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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