Operating Segments and Geographic Information, Revenue by Major Customers (Detail)	12 Months Ended
	Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014
Accounts Receivable Customer Concentration Risk [Member] | Accounts Receivable, Net [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage	31.00%	49.00%
Customer Concentration Risk [Member] | Sales Revenue, Net [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage	38.00%	46.00%	46.00%
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Dell Inc. [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage	15.00%	15.00%	16.00%
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Lenovo Group Limited [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage	13.00%	13.00%	12.00%
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | HP Inc. [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage	10.00%
Customer Concentration Risk [Member] | Sales Revenue, Net [Member] | Hewlett-Packard Company [Member]
Revenue, Major Customer [Line Items]
Concentration Risk, Percentage		18.00%	18.00%