Geographic and Significant Customer Information (Details 3)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Samsung Electronics Co. Ltd. [Member]
Net revenues:
Customers accounted for 10% or more of total revenue	34.30%	25.60%	37.30%	26.50%
SK Hynix [Member]
Net revenues:
Customers accounted for 10% or more of total revenue	24.60%	18.10%	16.80%	15.00%
Intel Corporation [Member]
Net revenues:
Customers accounted for 10% or more of total revenue	13.90%	12.80%	22.10%	20.60%