Financial Instruments - Schedule of Derivative Instruments at Gross Fair Value (Detail) - Significant Other Observable Inputs (Level 2) [Member] - USD ($) $ in Thousands	Sep. 28, 2018	Dec. 29, 2017
Forward Contracts [Member] \| Prepaid Expenses and Other [Member]
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value of Derivatives Designated as Hedge Instrument	$ 88	$ 714
Derivative assets, Fair Value of Derivatives Not Designated as Hedge Instrument	194
Derivative assets, Total Fair Value	282	714
Forward Contracts [Member] \| Other Non-Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value of Derivatives Designated as Hedge Instrument	21	588
Derivative assets, Fair Value of Derivatives Not Designated as Hedge Instrument	108
Derivative assets, Total Fair Value	$ 129	588
Interest Rate Swap [Member] \| Prepaid Expenses and Other [Member]
Derivatives, Fair Value [Line Items]
Derivative assets, Fair Value of Derivatives Designated as Hedge Instrument		30
Derivative assets, Total Fair Value		$ 30

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 50
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 815
-SubTopic 10
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Fair value of all derivative assets designated as fair value hedging instruments.

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