Segment, Geographic, Product and Significant Customer Information (Details 4)	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Samsung Electronics Co. Ltd. [Member]
Net revenues:
Customers accounted for 10% or more of total revenue	27.80%	30.00%	23.00%
SK Hynix [Member]
Net revenues:
Customers accounted for 10% or more of total revenue	16.50%	11.40%	12.80%
Intel Corporation [Member]
Net revenues:
Customers accounted for 10% or more of total revenue	22.30%	16.90%	16.40%