Segment Information and Geographic Data - Net Sales by Major Product Category (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 from External 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
Hardware
Revenue from External Customer [Line Items]
Total Net sales									2,863,000	1,234,000	740,000
Supplies
Revenue from External Customer [Line Items]
Total Net sales									268,000	265,000	244,000
Services and Software
Revenue from External Customer [Line Items]
Total Net sales									$ 519,000	$ 172,000	$ 54,000