Inventories (Details) - USD ($) $ in Thousands		Oct. 31, 2016	Oct. 31, 2015
Inventory Disclosure [Abstract]
Raw Materials		$ 25,286	$ 29,103
Work in Process	[1]	48,520	36,651
Inventory, Net		73,806	65,754
Completed Standard Component		40,600	13,300
Inventory Valuation Reserves		$ 800	$ 200

[1] Work-in-process includes the standard components of inventory used to build the typical modules or module components that are intended to be used in future power plant orders or to service our service agreements. Included in Work-in-process at October 31, 2016 and 2015 is $40.6 million and $13.3 million, respectively, of completed standard components.