Information about Derivative Positions (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 28, 2015	Dec. 31, 2014
Derivative [Line Items]
Gross amounts of recognized assets	$ 0	$ 2,485
Gross amounts of recognized liabilities	2,713	4,336
Foreign currency contract liabilities	$ 2,713us-gaap_DerivativeLiabilities	$ 1,851us-gaap_DerivativeLiabilities

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.

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Fair value, before effects of master netting arrangements, of a financial liability or 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 liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or 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 liabilities not subject to a master netting arrangement and not elected to be offset.

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