Summary of Outstanding Derivative Instruments on Gross Basis as Recorded in Consolidated Balance Sheets (Detail) - Undesignated Hedges - USD ($) $ in Thousands		Apr. 01, 2017	Dec. 31, 2016
Derivatives, Fair Value [Line Items]
Notional Amounts		$ 1,286	$ 1,146
Derivative Liabilities	[1]	6	8
Forward foreign currency contracts
Derivatives, Fair Value [Line Items]
Notional Amounts		1,286	1,146
Derivative Liabilities	[1]	$ 6	$ 8

[1] Other accrued liabilities