Other Accrued Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Jan. 02, 2016
Accrued Liabilities [Line Items]
Deferred revenue	$ 14,416	$ 3,789
Accrued product warranties	829	835
Other taxes payable	660	378
Acquisition-related contingent consideration	329	179
Income taxes payable	246	234
Other	531	217
Total other accrued liabilities	$ 17,011	$ 5,632