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Financial Instruments (Details Textual) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jul. 02, 2011
Jun. 30, 2012
Jul. 02, 2011
Derivative [Line Items]        
Maximum length of time hedged in cash flow hedge     24 months  
Financial Instruments (Textual) [Abstract]        
Notional Amount Of Foreign Currency Commodity Contract $ 5,500,000   $ 5,500,000  
Notional amount of foreign exchange contracts 1,370,000,000   1,370,000,000  
Amount of gain or loss recognized income related to ineffective portion or amount excluded from effectiveness testing            
Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months     $ (6,000,000)