Segment Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013 product segment	Dec. 29, 2012	Dec. 31, 2011
Segment Information
Number of operating segments	1
Number of product categories	3
Revenue and property and equipment, net by geographic area
Revenues	$ 580,087	$ 563,294	$ 491,625
Property and equipment, net	132,445	135,271
United States
Revenue and property and equipment, net by geographic area
Revenues	68,566	64,856	67,432
Property and equipment, net	126,263	127,716
China
Revenue and property and equipment, net by geographic area
Revenues	253,261	219,400	152,533
Taiwan
Revenue and property and equipment, net by geographic area
Revenues	55,036	64,150	59,208
Japan
Revenue and property and equipment, net by geographic area
Revenues	32,557	31,315	50,270
South Korea
Revenue and property and equipment, net by geographic area
Revenues	21,303	57,910	70,252
Rest of world
Revenue and property and equipment, net by geographic area
Revenues	149,364	125,663	91,930
Property and equipment, net	6,182	7,555
Broad-based
Revenue and property and equipment, net by geographic area
Revenues	281,777	270,098	208,697
Broadcast
Revenue and property and equipment, net by geographic area
Revenues	199,837	186,067	169,548
Access
Revenue and property and equipment, net by geographic area
Revenues	$ 98,473	$ 107,129	$ 113,380