Business Combinations - Summary of Balance Sheet Adjustment and Effect on Income if Provisional Amounts Were Recognized at Acquisition Date (Detail) - Enterprise Business [Member] - USD ($) $ in Thousands	1 Months Ended	3 Months Ended				9 Months Ended
	Sep. 30, 2015	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Dec. 31, 2014	Jul. 04, 2015
Business Acquisition [Line Items]
Increase (decrease) in fair value, Other intangibles	$ (20,000)	$ (20,000)
Increase (decrease) in fair value, Inventories	1,500	1,515
Increase (decrease) in fair value, Property and equipment	(2,801)	(2,801)
Increase (decrease) in fair value, Deferred revenue	$ 400	(372)
Increase (decrease) in fair value, Total		$ (21,658)
Effect on income before income taxes, Amortization of intangibles			$ 1,146	$ 1,146	$ 764	$ 3,056
Effect on income before income taxes, Cost of sales				(129)	(1,386)	(1,515)
Effect on income before income taxes, General and administrative			59	59	39	57
Effect on income before income taxes, Net sales			28	36	39	103
Effect on income before income taxes, Total			$ 1,233	$ 1,112	$ (544)	$ 1,801