Segment and Geographic Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	$ 71,158	$ 71,700
Total revenue as percentage	100.00%	100.00%
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	49,339	46,146
Total revenue as percentage	69.00%	65.00%
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	12,704	13,226
Total revenue as percentage	18.00%	18.00%
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	$ 9,115	$ 12,328
Total revenue as percentage	13.00%	17.00%