Inventories, net (Details) - USD ($) $ in Thousands	Apr. 02, 2016	Dec. 31, 2015
Inventory Disclosure [Abstract]
Raw materials	$ 23,009	$ 24,898
Work-in-process	19,300	18,284
Finished products	18,667	22,216
Balance, end of the period	$ 60,976	$ 65,398	[1]

[1] The balance sheet as of December 31, 2015 has been derived from the audited financial statements at that date.