Inventories (Details) - USD ($) $ in Thousands	Oct. 31, 2016	Oct. 31, 2015
Inventory Disclosure [Abstract]
Raw materials	$ 26,367	$ 31,678
Work in Process	16,149	10,944
Finished Goods	18,031	15,246
Total inventories	60,547	57,868
Inventory Valuation Reserves	$ 2,946	$ 2,547