Segment and Geographic Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013 segment	Sep. 29, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of reportable segments			1
Total revenue	$ 87,154	$ 70,889	$ 243,006	$ 213,381
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	66,191	48,861	177,848	144,396
Total revenue as percentage	76.00%	69.00%	73.00%	68.00%
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	11,857	12,424	36,665	37,736
Total revenue as percentage	14.00%	17.00%	15.00%	18.00%
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	$ 9,106	$ 9,604	$ 28,493	$ 31,249
Total revenue as percentage	10.00%	14.00%	12.00%	14.00%