Stock Option Activity (Details) (USD $) In Thousands, except Share data, unless otherwise specified	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