Income Taxes Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 31, 2013	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2013	Oct. 31, 2012	Jul. 31, 2012	Apr. 30, 2012	Jan. 31, 2012	Oct. 31, 2013	Oct. 31, 2012
Income Tax Disclosure [Abstract]
Domestic									$ 30,814	$ 23,139
Foreign									1,361	(632)
Income before income taxes									32,175	22,507
Federal									8,427	5,733
State and Local									1,338	1,114
Foreign									261	150
Total current									10,026	6,997
Federal									427	1,885
State and Local									152	97
Foreign									0	2
Change in net deferred tax asset attributable to the provision for deferred taxes									(579)	(1,984)
Components of the total provision for income taxes	$ 3,605	$ 2,213	$ 3,686	$ 1,101	$ 3,218	$ 1,150	$ 3,351	$ 1,262	$ 10,605	$ 8,981