Product and Geographic Information - Net Sales by Geographic Area (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 29, 2014	Mar. 30, 2013	Mar. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 37,081	$ 38,267	$ 59,647	$ 46,172	$ 39,574	$ 37,930	$ 80,152	$ 58,969	$ 181,167	$ 216,625	$ 254,229
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									136,336	186,346	224,100
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									31,596	20,907	19,448
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales									$ 13,235	$ 9,372	$ 10,681