CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Oct. 31, 2010	$ 114,740	$ 644	$ 52,144	$ 63,824	$ (1,872)
Balance, shares at Oct. 31, 2010		6,440,851
Net income	11,124			11,124
Other comprehensive income (loss)	(122)				(122)
Exercise of common stock options, shares
Stock-based compensation expense	470		470
Dividends paid
Balance at Oct. 31, 2011	126,212	644	52,614	74,948	(1,994)
Balance, shares at Oct. 31, 2011		6,440,851
Net income	15,638			15,638
Other comprehensive income (loss)	1,141				1,141
Exercise of common stock options	1		1
Exercise of common stock options, shares	500	500
Restricted shares vested		1	(1)
Restricted shares vested, shares		5,859
Tax benefit from exercise of stock options	(69)		(69)
Stock-based compensation expense	870		870
Dividends paid
Balance at Oct. 31, 2012	143,793	645	53,415	90,586	(853)
Balance, shares at Oct. 31, 2012		6,447,210
Net income	8,190			8,190
Other comprehensive income (loss)	(1,131)				(1,131)
Exercise of common stock options	303	1	302
Exercise of common stock options, shares	11,369	11,369
Restricted shares vested		1	(1)
Restricted shares vested, shares		6,475
Tax benefit from exercise of stock options	3		3
Stock-based compensation expense	979		979
Dividends paid	(646)			(646)
Balance at Oct. 31, 2013	$ 151,491	$ 647	$ 54,698	$ 98,130	$ (1,984)
Balance, shares at Oct. 31, 2013		6,465,054