Derivative Financial Instruments (Narrative) (Details) (USD $)	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Derivative [Line Items]
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net	$ 0	$ 0
Foreign Currency Forward Contracts [Member] | Maximum [Member]
Derivative [Line Items]
Derivative, Term of Contract ( in months)	6 months
Foreign Currency Forward Contracts [Member] | Cash Flow Hedges [Member]
Derivative [Line Items]
Approximate number of derivatives per quarter (in derivatives)	5
Cash flow hedge	7,000,000
Number of months taken by the company to reclass the amounts recorded in other comprehensive income to earnings (in months)	12 months
Hedge period of forecasted hedge transaction (in days)	60 days
Derivatives Designated As Hedging Instruments [Member] | Cash Flow Hedges [Member] | Minimum [Member]
Derivative [Line Items]
Derivative, Term of Contract ( in months)	3 months
Derivatives Designated As Hedging Instruments [Member] | Cash Flow Hedges [Member] | Maximum [Member]
Derivative [Line Items]
Derivative, Term of Contract ( in months)	5 months
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Currency Forward Contracts [Member]
Derivative [Line Items]
Approximate number of derivatives per quarter (in derivatives)	14
Cash flow hedge	$ 2,000,000
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Currency Forward Contracts [Member] | Minimum [Member]
Derivative [Line Items]
Derivative, Term of Contract ( in months)	1 month
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Currency Forward Contracts [Member] | Maximum [Member]
Derivative [Line Items]
Derivative, Term of Contract ( in months)	5 months