Balance Sheet Details - Inventory (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Inventory Details [Abstract]
Inventory, Raw Materials, Net of Reserves	$ 36,211	$ 39,022
Inventory, Work in Process, Net of Reserves	21,200	18,918
Inventory, Finished Goods, Net of Reserves	13,150	13,550
Inventory, Net	70,561	71,490
Inventory Valuation Reserves	$ 11,135	$ 8,896