Segment, Geographic, Product and Significant Customer Information - Customers More Than 10% of Accounts Receivable (Details)	Dec. 27, 2014	Dec. 28, 2013	Dec. 29, 2012
Samsung Electronics Co. Ltd. [Member]
Customers accounted for 10% or more of total accounts receivable
Customers accounted for 10% or more of total accounts receivable	10.00%	27.40%
Intel Corporation [Member]
Customers accounted for 10% or more of total accounts receivable
Customers accounted for 10% or more of total accounts receivable		14.40%	12.30%
Taiwan Semiconductor Manufacturing Company Limited [Member]
Customers accounted for 10% or more of total accounts receivable
Customers accounted for 10% or more of total accounts receivable	20.20%	12.10%	17.30%
SK Hynix [Member]
Customers accounted for 10% or more of total accounts receivable
Customers accounted for 10% or more of total accounts receivable		21.80%
Micron [Member]
Customers accounted for 10% or more of total accounts receivable
Customers accounted for 10% or more of total accounts receivable	23.70%
GLOBAL FOUNDRIES [Member]
Customers accounted for 10% or more of total accounts receivable
Customers accounted for 10% or more of total accounts receivable	10.20%