Product and Geographic Information - Net Sales by Geographic Area (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 29, 2013	Jun. 30, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 46,172	$ 58,969
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	37,693	52,454
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	6,070	4,174
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Net sales	$ 2,409	$ 2,341