Inventories Inventories (Details) - USD ($) $ in Thousands	Jun. 27, 2015	Mar. 28, 2015
Inventory Disclosure [Abstract]
Inventory, Raw Materials, Gross	$ 16,013	$ 14,174
Inventory, Work in Process, Gross	179,261	183,472
Inventory, Finished Goods, Gross	26,739	33,682
Inventory, Net	$ 222,013	$ 231,328	[1]

[1] Derived from audited financial statements