Inventories (Details) - USD ($) $ in Thousands		Apr. 30, 2016	Oct. 31, 2015
Inventory Disclosure [Abstract]
Raw materials		$ 28,079	$ 29,103
Work in process	[1]	38,143	36,651
Inventory, Net		66,222	65,754
Completed Standard Component		$ 15,200	$ 13,300

[1] Included in work-in-process as of April 30, 2016 and October 31, 2015 was $15.2 million and $13.3 million, respectively, of completed standard components.