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Derivatives - Fair Values of Derivative Instruments (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 31, 2012
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Fair Value	$ (487)	$ (318)
Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Fair Value	(487)	(318)
Commodity Contract [Member] \| Accrued Expenses and Other Current Liabilities [Member] \| Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Fair Value	(453)	(303)
Foreign Exchange Contract [Member] \| Accrued Expenses and Other Current Liabilities [Member] \| Not Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Derivative Liabilities, Fair Value	$ (34)	$ (15)

Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements.

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