Segment and Geographic Information - Net Sales by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 29, 2012	Sep. 26, 2015	Sep. 27, 2014	Sep. 28, 2013	Sep. 29, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 46,472	$ 42,856	$ 42,856	$ 89,563	$ 77,886		$ 77,886
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	37,029		34,516			$ 70,565	59,234
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	6,805		2,482			13,161	8,656
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 2,638		$ 5,858			$ 5,837	$ 9,996