Inventories (Details) - USD ($) $ in Thousands	Oct. 31, 2018	Oct. 31, 2017
Inventory Disclosure [Abstract]
Raw materials	$ 28,457	$ 25,315
Work in Process	24,435	19,960
Finished Goods	21,637	22,072
Total inventories, net	71,412	61,812
Inventory Valuation Reserves	$ (3,117)	$ (5,535)