Stock Option Activity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Jan. 31, 2014	Jan. 31, 2013
Number of Shares
Options, Outstanding Beginning of Period	236,134	362,085
Granted	0	0
Exercised	(33,468)	(13,667)
Canceled	(8,333)	(6,500)
Options, Outstanding End of Period	194,333	341,918
Options, Exercisable, End of Period	184,666	267,585
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	$ 9.18	$ 5.58
Canceled, Weighted Average Exercise Price Per Share	$ 8.10	$ 7.45
Options, Outstanding, End of Period, Weighted Average Exercise Price Per Share	$ 10.13	$ 10.21
Options, Exercisable, Weighted Average Exercise Price Per Share	$ 10.24	$ 10.20
Options Outstanding, Weighted Average Remaining Contractual Term	5 years 8 months 5 days	6 years 6 months 16 days
Options Outstanding, Intrinsic Value	$ 962	$ 734
Options Exercisable, Weighted Average Remaining Contractual Term	5 years 6 months 23 days	6 years 1 month 1 day
Options Exercisable, Intrinsic Value	$ 894	$ 621