Derivative Financial Instruments (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended				9 Months Ended
	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014	Sep. 29, 2013	Sep. 28, 2014 Foreign Currency Forward Contracts [Member] Maximum [Member]	Mar. 30, 2014 Foreign Currency Forward Contracts [Member] Cash Flow Hedges [Member]	Sep. 28, 2014 Foreign Currency Forward Contracts [Member] Cash Flow Hedges [Member] derivative_instrument	Sep. 28, 2014 Foreign Exchange Contract [Member] Cash Flow Hedges [Member]	Sep. 28, 2014 Derivatives Designated As Hedging Instruments [Member] Cash Flow Hedges [Member] Minimum [Member]	Sep. 28, 2014 Derivatives Designated As Hedging Instruments [Member] Cash Flow Hedges [Member] Maximum [Member]	Sep. 28, 2014 Derivatives Not Designated As Hedging Instruments [Member] Foreign Currency Forward Contracts [Member] derivative_instruments	Sep. 28, 2014 Derivatives Not Designated As Hedging Instruments [Member] Foreign Currency Forward Contracts [Member] Minimum [Member]	Sep. 28, 2014 Derivatives Not Designated As Hedging Instruments [Member] Foreign Currency Forward Contracts [Member] Maximum [Member]
Derivative [Line Items]
Approximate number of derivatives per quarter (in derivatives)							5				15
Cash flow hedge							$ 7,000,000				$ 2,000,000
Number of months taken by the company to reclass the amounts recorded in other comprehensive income to earnings (in months)						12 months
Discontinuation of cash flow hedge								Derivative instruments designated as cash flow hedges must be de-designated as hedges when it is probable the forecasted hedged transaction will not occur within the designated hedge period or if not recognized within 60 days following the end of the hedge period
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net	$ 0	$ 0	$ 0	$ 0
Derivative, Term of Contract ( in months)					6 months				3 months	5 months		1 month	5 months