Summary of Outstanding Derivative Instruments on Gross Basis as Recorded in Consolidated Balance Sheets (Detail) - Undesignated Hedges - USD ($) $ in Thousands		Dec. 31, 2016	Jan. 02, 2016
Derivatives, Fair Value [Line Items]
Notional Amounts		$ 1,146	$ 924
Derivative Assets	[1]		1
Derivative Liabilities	[2]	8	4
Foreign currency forward contracts
Derivatives, Fair Value [Line Items]
Notional Amounts		1,146	924
Derivative Assets	[1]		1
Derivative Liabilities	[2]	$ 8	$ 4

[1] Prepaid expenses and other current assets

[2] Other accrued liabilities