Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Oct. 31, 2016	Jul. 31, 2016	Apr. 30, 2016	Jan. 31, 2016	Oct. 31, 2015	Jul. 31, 2015	Apr. 30, 2015	Jan. 31, 2015	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Income Tax Disclosure [Abstract]
Domestic									$ 3,917	$ 17,063	$ 26,417
Foreign									(5,400)	(6,448)	(2,365)
Income before income taxes									(1,483)	10,615	24,052
Federal									(3,900)	(545)	3,067
State and Local									329	384	159
Foreign									1,123	608	74
Total current									(2,448)	447	3,300
Federal									3,289	4,501	3,094
State and Local									156	208	59
Foreign									(6,149)	(446)	(2,316)
Total deferred									(2,704)	4,263	837
Provision (benefit) for income taxes	$ (4,949)	$ 1,344	$ 364	$ (1,911)	$ (1,039)	$ 2,417	$ 2,488	$ 844	$ (5,152)	$ 4,710	$ 4,137