Stock Option Activity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Jul. 31, 2014	Jul. 31, 2013
Number of Shares
Options, Outstanding Beginning of Period	236,134	362,085
Granted	0	0
Exercised	(88,363)	(28,334)
Canceled	(12,333)	(78,149)
Options, Outstanding End of Period	135,438	255,602
Options, Exercisable, End of Period	125,771	198,937
Weighted-Average Exercise Price
Options, Outstanding, Beginning of Period, Weighted Average Exercise Price Per Share	$ 9.93	$ 9.99
Granted, Weighted Average Exercise Price Per Share	$ 0.00	$ 0.00
Exercised, Weighted Average Exercise Price Per Share	$ 9.83	$ 5.69
Canceled, Weighted Average Exercise Price Per Share	$ 7.19	$ 12.45
Options, Outstanding, End of Period, Weighted Average Exercise Price Per Share	$ 9.79	$ 9.71
Options, Exercisable, Weighted Average Exercise Price Per Share	$ 9.93	$ 9.62
Options Outstanding, Weighted Average Remaining Contractual Term	5 years 6 months 5 days	6 years 3 months 8 days
Options Outstanding, Intrinsic Value	$ 976	$ 863
Options Exercisable, Weighted Average Remaining Contractual Term	5 years 4 months 12 days	5 years 9 months 8 days
Options Exercisable, Intrinsic Value	$ 890	$ 694