Segment Information and Geographic Data - Net Sales by Country (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Dec. 31, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenue, Major Customer [Line Items]
Total Net sales	$ 951,000	$ 916,000	$ 890,000	$ 893,000	$ 791,000	$ 304,000	$ 288,000	$ 288,000	$ 3,650,000	$ 1,671,000	$ 1,038,000
United States
Revenue, Major Customer [Line Items]
Total Net sales									2,045,000	875,000	563,000
United Kingdom
Revenue, Major Customer [Line Items]
Total Net sales									1,102,000	558,000	324,000
Singapore
Revenue, Major Customer [Line Items]
Total Net sales									175,000	155,000	140,000
Other
Revenue, Major Customer [Line Items]
Total Net sales									$ 328,000	$ 83,000	$ 11,000