Product and Geographic Information Revenue from Geographic Location table (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 30, 2017	Dec. 31, 2016
Revenue from External Customer [Line Items]
Revenue, Net	$ 110,840	$ 33,779	$ 254,491	$ 111,105
Asia [Member]
Revenue from External Customer [Line Items]
Revenue, Net	103,069	26,015	233,685	92,184
Americas [Member]
Revenue from External Customer [Line Items]
Revenue, Net	2,431	6,210	9,537	11,464
Europe [Member]
Revenue from External Customer [Line Items]
Revenue, Net	$ 5,340	$ 1,554	$ 11,269	$ 7,457