Segment Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2012 segment	Dec. 31, 2011	Jan. 01, 2011
Segment Information
Number of operating segments	1
Revenue and property and equipment, net by geographic area
Revenues	$ 563,294	$ 491,625	$ 493,341
Property and equipment, net	135,271	25,141
United States
Revenue and property and equipment, net by geographic area
Revenues	64,856	67,432	69,753
Property and equipment, net	127,716	17,293
China
Revenue and property and equipment, net by geographic area
Revenues	219,400	152,533	137,703
South Korea
Revenue and property and equipment, net by geographic area
Revenues	57,910	70,252	65,409
Taiwan
Revenue and property and equipment, net by geographic area
Revenues	64,150	59,208	76,991
Singapore
Revenue and property and equipment, net by geographic area
Property and equipment, net	6,097	6,220
Japan
Revenue and property and equipment, net by geographic area
Revenues	31,315	50,270	34,031
Rest of world
Revenue and property and equipment, net by geographic area
Revenues	125,663	91,930	109,454
Property and equipment, net	$ 1,458	$ 1,628