Product and Geographic Information - Net Sales by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 28, 2015	Mar. 29, 2014	Mar. 30, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 37,571	$ 43,661	$ 42,856	$ 35,030	$ 37,081	$ 38,267	$ 59,647	$ 46,172	$ 159,118	$ 181,167	$ 216,625
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									124,049	136,336	186,346
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									18,067	31,596	20,907
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									$ 17,002	$ 13,235	$ 9,372