Segment and Geographic Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013 segment	Jun. 30, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of reportable segments			1
Total revenue	$ 84,694	$ 70,792	$ 155,852	$ 142,492
Total revenue as percentage	100.00%	100.00%	100.00%	100.00%
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	62,318	49,389	111,657	95,535
Total revenue as percentage	74.00%	70.00%	72.00%	67.00%
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	12,104	12,086	24,808	25,312
Total revenue as percentage	14.00%	17.00%	16.00%	18.00%
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	$ 10,272	$ 9,317	$ 19,387	$ 21,645
Total revenue as percentage	12.00%	13.00%	12.00%	15.00%