Equity Matters Reconciliation of Numerator and Denominator of the basic and diluted earnings per share computation (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Jul. 31, 2012	Jul. 31, 2011	Jul. 31, 2012	Jul. 31, 2011
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net Income Available to Common Stockholders, Basic	$ 2,416	$ 1,691	$ 9,899	$ 5,646
Weighted Average Number of Shares Outstanding, Basic	16,856	16,753	16,821	16,702
Weighted Average Number Diluted Shares Outstanding Adjustment	71	110	82	156
Weighted Average Number of Shares Outstanding, Diluted	16,927	16,863	16,903	16,858
Earnings Per Share, Basic	$ 0.14	$ 0.10	$ 0.59	$ 0.34
Earnings Per Share, Diluted	$ 0.14	$ 0.10	$ 0.59	$ 0.33