Income Taxes Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Oct. 31, 2014	Jul. 31, 2014	Apr. 30, 2014	Jan. 31, 2014	Oct. 31, 2013	Jul. 31, 2013	Apr. 30, 2013	Jan. 31, 2013	Oct. 31, 2014	Oct. 31, 2013
Income Tax Disclosure [Abstract]
Domestic									$ 28,200	$ 30,814
Foreign									(1,009)	1,361
Income before income taxes									27,191	32,175
Federal									3,684	8,427
State and Local									210	1,338
Foreign									74	261
Total current									3,968	10,026
Federal									3,069	427
State and Local									58	152
Foreign									(2,348)	0
Change in net deferred tax asset attributable to the provision for deferred taxes									779	579
Components of the total provision for income taxes	$ (1,389)	$ 335	$ 3,620	$ 2,181	$ 3,605	$ 2,213	$ 3,686	$ 1,101	$ 4,747	$ 10,605