Segment and Geographic Information Net Sales by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Dec. 31, 2016	Jan. 02, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 33,779	$ 43,342	$ 111,105	$ 132,905
Asia [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	26,015	33,278	92,184	103,843
Americas [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	6,210	7,589	11,464	20,750
Europe [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 1,554	$ 2,475	$ 7,457	$ 8,312