Annual report pursuant to Section 13 and 15(d)

Derivative Financial Instruments And Hedging Activities (Narrative) (Details)

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Derivative Financial Instruments And Hedging Activities (Narrative) (Details) (USD $)
 12 Months Ended
Dec. 31, 2011
Jan. 01, 2011
Derivative [Line Items]    
Notional amount of foreign currency derivatives $ 1,500,000,000 $ 1,100,000,000
Higher derivative maturity range by months 20  
Accumulated OCI including net deferred pretax gains for foreign exchange contracts 15,400,000  
Remaining pretax deferred net loss in Accumulated OCI 43,200,000  
Miscellaneous income (expense) for derivatives dedesignated as hedging instruments $ 1,700,000 $ 3,300,000
Interest Rate Swap Derivative Contracts In 2011 [Member]
    
Derivative [Line Items]    
Long term debt due date 2021  
Interest Rate Swap Derivative Contracts In 2003 [Member]
    
Derivative [Line Items]    
Long term debt due date 2033