Inventories Inventories (Details) - USD ($) $ in Thousands		Apr. 30, 2016	Oct. 31, 2015
Inventory Disclosure [Abstract]
Inventory, Raw Materials, Gross		$ 18,491	$ 21,825
Inventory, Work in Process, Gross		269,959	261,520
Inventory, Finished Goods, Gross		111,009	128,969
Inventory, Net	[1]	$ 399,459	$ 412,314

[1] Includes $2,719 and $2,923 related to stock-based compensation at April 30, 2016 and October 31, 2015, respectively.