Segment and Geographic Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Apr. 04, 2015 segment	Mar. 29, 2014
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of operating segments	2
Total revenue	$ 88,597	$ 96,637
Total revenue as percentage	100.00%	100.00%
Asia
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	62,534	72,744
Total revenue as percentage	70.00%	75.00%
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	16,467	14,710
Total revenue as percentage	19.00%	15.00%
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	$ 9,596	$ 9,183
Total revenue as percentage	11.00%	10.00%