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Commitments and Contingencies (Foreign Currency Contracts) (Details) $ in Thousands	3 Months Ended			6 Months Ended
	Jul. 01, 2016 USD ($)	Jan. 01, 2016 USD ($)	Jul. 03, 2015 USD ($)	Jul. 01, 2016 USD ($)	Jul. 03, 2015 USD ($)
Foreign Currency Cash Flow Hedges [Abstract]
Addition in cost of sales	$ 768		$ 420	$ 1,387	$ 664
Ineffective portion of change in fair value	$ 0		$ 0	0	$ 0
Foreign Currency Cash Flow Hedge [Line Items]
Foreign Currency Contracts Description	The Company enters into forward contracts to purchase Mexican pesos in order to hedge the risk of peso-denominated payments associated with operations at its facilities in Mexico
Payments for termination of foreign currency contract		$ 2,400
Foreign currency cash flow hedge gain (loss) to be reclassified	$ 1,900			1,900
Terminated FX Contract [Member]
Foreign Currency Cash Flow Hedge [Line Items]
Foreign currency cash flow hedge gain (loss) to be reclassified	(700)			$ (700)
FX Contract 1 [Member]
Foreign Currency Cash Flow Hedge [Line Items]
Instrument				FX Contract
Aggregate Notional Amount	$ 8,240			$ 8,240
Start Date				Jan. 01, 2016
End Date				Dec. 31, 2016
$/Peso	0.0584			0.0584
FX Contract 2 [Member]
Foreign Currency Cash Flow Hedge [Line Items]
Instrument				FX Contract
Aggregate Notional Amount	$ 5,591			$ 5,591
Start Date				Apr. 01, 2016
End Date				Dec. 31, 2016
$/Peso	0.0565			0.0565
Accrued Expenses [Member] | FX Contract 1 [Member]
Foreign Currency Cash Flow Hedge [Line Items]
Fair Value	$ (634)			$ (634)
Accrued Expenses [Member] | FX Contract 2 [Member]
Foreign Currency Cash Flow Hedge [Line Items]
Fair Value	$ (251)			$ (251)

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Foreign Currency Cash Flow Hedge [Line Items]

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Nominal or face amount used to calculate payments on the derivative asset.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1A
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Contractual rate at which a foreign currency can be purchased or sold.

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Description of the type of derivative instrument, such as a swap, forward, and option. Excludes the underlying risk of the instrument.

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Description of the types of foreign currency derivative instruments designated as hedging instruments in cash flow hedges. For example, forwards, options, and so forth.

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The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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Fair value as of the balance sheet date of all foreign currency derivative liabilities designated as cash flow hedging instruments.

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The net gain (loss) relating to components of the gain (loss) on foreign currency cash flow hedging instruments excluded from the assessment of hedge effectiveness. Recognized in earnings.

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