Segment, Geographic, Product and Significant Customer Information - Customers More Than 10% of Revenues (Details)	12 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Dec. 29, 2012
Samsung Electronics Co. Ltd. [Member]
Net revenues:
Customers accounted for 10% or more of total revenue	26.90%	14.40%	27.80%
SK Hynix [Member]
Net revenues:
Customers accounted for 10% or more of total revenue	12.20%	18.40%	16.50%
Intel Corporation [Member]
Net revenues:
Customers accounted for 10% or more of total revenue	12.60%	30.00%	22.30%
Micron [Member]
Net revenues:
Customers accounted for 10% or more of total revenue	10.40%