Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Jan. 31, 2015	Jan. 31, 2014
Number of Shares
Options, Outstanding Beginning of Period	123,333	236,134
Granted	0	0
Exercised	(6,000)	(33,468)
Canceled	0	(8,333)
Options, Outstanding End of Period	117,333	194,333
Options, Exercisable, End of Period	117,333	184,666
Weighted-Average Exercise Price
Options, Outstanding, Beginning of Period, Weighted Average Exercise Price Per Share	$ 9.69	$ 9.93
Granted, Weighted Average Exercise Price Per Share	0.00	0.00
Exercised, Weighted Average Exercise Price Per Share	8.67	9.18
Canceled, Weighted Average Exercise Price Per Share	0.00	8.10
Options, Exercisable, Weighted Average Exercise Price Per Share	9.74	10.24
Options, Outstanding, End of Period, Weighted Average Exercise Price Per Share	$ 9.74	$ 10.13
Options Outstanding, Weighted Average Remaining Contractual Term	4 years 10 months 17 days	5 years 8 months 5 days
Options Outstanding, Intrinsic Value	$ 337	$ 962
Options Exercisable, Weighted Average Remaining Contractual Term	4 years 10 months 17 days	5 years 6 months 22 days
Options Exercisable, Intrinsic Value	$ 337	$ 894