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Segment, Geographic, Product and Significant Customer Information (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Total net revenues (1):
Total net revenues	$ 144,307	$ 182,881	$ 230,061
United States [Member]
Total net revenues (1):
Total net revenues	47,019	44,811	50,447
Japan [Member]
Total net revenues (1):
Total net revenues	11,629	16,832	34,806
South Korea [Member]
Total net revenues (1):
Total net revenues	34,873	79,555	87,533
Other [Member]
Total net revenues (1):
Total net revenues	$ 50,786	$ 41,683	$ 57,275