Derivative Financial Instruments (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Apr. 01, 2012
Cash Flow Hedges [Member]
Derivative [Line Items]
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
Foreign Currency Forward Contracts [Member] | Maximum [Member]
Derivative [Line Items]
Derivative contract term, months (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	6
Derivatives Designated As Hedging Instruments [Member] | Cash Flow Hedges [Member] | Minimum [Member]
Derivative [Line Items]
Derivative contract term, months (in months)	3 months
Derivatives Designated As Hedging Instruments [Member] | Cash Flow Hedges [Member] | Maximum [Member]
Derivative [Line Items]
Derivative contract term, months (in months)	5 months
Derivatives Not Designated As Hedging Instruments [Member]
Derivative [Line Items]
Approximate number of derivatives per quarter (in derivatives)	11
Non-designated hedge	2
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Exchange [Member] | Minimum [Member]
Derivative [Line Items]
Derivative contract term, months (in months)	1 month
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Exchange [Member] | Maximum [Member]
Derivative [Line Items]
Derivative contract term, months (in months)	5 months