Concentration of Credit and Other Risks (Details) (Customer Concentration Risk)	3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended		9 Months Ended		3 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended	9 Months Ended	12 Months Ended
	Sep. 27, 2014 Sales Revenue, Goods, Net	Sep. 28, 2013 Sales Revenue, Goods, Net	Sep. 27, 2014 Sales Revenue, Goods, Net	Sep. 28, 2013 Sales Revenue, Goods, Net	Sep. 27, 2014 Sales Revenue, Goods, Net Intel	Sep. 28, 2013 Sales Revenue, Goods, Net Intel	Sep. 27, 2014 Sales Revenue, Goods, Net Intel	Sep. 28, 2013 Sales Revenue, Goods, Net Intel	Sep. 27, 2014 Sales Revenue, Goods, Net Micron	Sep. 28, 2013 Sales Revenue, Goods, Net Micron	Sep. 27, 2014 Sales Revenue, Goods, Net Micron	Sep. 28, 2013 Sales Revenue, Goods, Net Micron	Sep. 27, 2014 Sales Revenue, Goods, Net SK Hynix	Sep. 28, 2013 Sales Revenue, Goods, Net SK Hynix	Sep. 27, 2014 Sales Revenue, Goods, Net SK Hynix	Sep. 28, 2013 Sales Revenue, Goods, Net SK Hynix	Sep. 27, 2014 Sales Revenue, Goods, Net Samsung	Sep. 27, 2014 Accounts Receivable Customer	Dec. 28, 2013 Accounts Receivable Customer	Sep. 27, 2014 Accounts Receivable Major Customer 1	Dec. 28, 2013 Accounts Receivable Major Customer 1	Sep. 27, 2014 Accounts Receivable Major Customer 2	Dec. 28, 2013 Accounts Receivable Major Customer 2	Dec. 28, 2013 Accounts Receivable Major Customer 3
Concentration Risk [Line Items]
Concentration Risk, Percentage	61.90%	46.90%	50.90%	43.00%	18.90%	15.50%	18.30%	15.80%	16.60%	19.00%	14.60%	10.20%	15.60%	12.40%	18.00%	17.00%	10.80%			22.00%	21.00%	25.00%	15.00%	11.00%
Concentration Risk, Number of Customers																		2	3