Annual report pursuant to Section 13 and 15(d)

Derivative Instruments And Hedging Activities (Schedule Of Derivative Instruments In Statement Of Financial Position, Fair Value) (Details) (Imported)

v2.4.0.6
Derivative Instruments And Hedging Activities (Schedule Of Derivative Instruments In Statement Of Financial Position, Fair Value) (Details) (Imported) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Derivatives, Fair Value [Line Items]    
Derivatives designated as hedging instruments under ASC 815 $ 165.9 $ 84.6
Derivative Liabilities [Member]
   
Derivatives, Fair Value [Line Items]    
Derivatives designated as hedging instruments under ASC 815 23.0  
Designated As Hedging Instrument [Member]
   
Derivatives, Fair Value [Line Items]    
Derivatives designated as hedging instruments under ASC 815 5.2 2.8
Designated As Hedging Instrument [Member] | Derivative Liabilities [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative Liability, Fair Value, Gross Liability 3.5  
Designated As Hedging Instrument [Member] | Foreign Exchange Contracts [Member]
   
Derivatives, Fair Value [Line Items]    
Cash Flow Hedge Derivative Instrument Assets at Fair Value 5.2  
Description of Location of Foreign Currency Derivatives on Balance Sheet Other currentliabilities  
Designated As Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Derivative Financial Instruments Current Assets [Member]
   
Derivatives, Fair Value [Line Items]    
Cash Flow Hedge Derivative Instrument Assets at Fair Value   2.8
Description of Location of Foreign Currency Derivatives on Balance Sheet Derivative assets (current) Derivative assets(current)
Designated As Hedging Instrument [Member] | Foreign Exchange Contracts [Member] | Derivative Liabilities [Member]
   
Derivatives, Fair Value [Line Items]    
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value 3.5  
Nondesignated [Member]
   
Derivatives, Fair Value [Line Items]    
Derivatives designated as hedging instruments under ASC 815 160.7 81.8
Nondesignated [Member] | Derivative Liabilities [Member]
   
Derivatives, Fair Value [Line Items]    
Derivatives designated as hedging instruments under ASC 815 19.5  
Nondesignated [Member] | Foreign Exchange Contracts [Member]
   
Derivatives, Fair Value [Line Items]    
Derivatives designated as hedging instruments under ASC 815 2.8 2.0
Nondesignated [Member] | Foreign Exchange Contracts [Member] | Derivative Financial Instruments Current Assets [Member]
   
Derivatives, Fair Value [Line Items]    
Description of Location of Foreign Currency Derivatives on Balance Sheet Derivative assets(current) Derivative assets(current)
Derivatives designated as hedging instruments under ASC 815   34.2
Nondesignated [Member] | Foreign Exchange Contracts [Member] | Deposits and Miscellaneous [Member]
   
Derivatives, Fair Value [Line Items]    
Description of Location of Foreign Currency Derivatives on Balance Sheet Other non-current assets Other non-current assets
Nondesignated [Member] | Customer Contracts [Member]
   
Derivatives, Fair Value [Line Items]    
Description of Location of Foreign Currency Derivatives on Balance Sheet Derivative assets(current) Derivative assets(current)
Derivatives designated as hedging instruments under ASC 815 72.9  
Nondesignated [Member] | Customer Contracts [Member] | Derivative Financial Instruments Current Assets [Member]
   
Derivatives, Fair Value [Line Items]    
Derivatives designated as hedging instruments under ASC 815   45.6
Nondesignated [Member] | Provisional Pricing Arrangements [Member]
   
Derivatives, Fair Value [Line Items]    
Derivatives designated as hedging instruments under ASC 815 1.2  
Nondesignated [Member] | Provisional Pricing Arrangements [Member] | Derivative Financial Instruments Current Assets [Member]
   
Derivatives, Fair Value [Line Items]    
Description of Location of Foreign Currency Derivatives on Balance Sheet Derivative assets(current)  
Nondesignated [Member] | Provisional Pricing Arrangements [Member] | Derivative Liabilities [Member]
   
Derivatives, Fair Value [Line Items]    
Derivative Liability, Fair Value, Gross Liability 19.5  
Nondesignated [Member] | Provisional Pricing Arrangements [Member] | Accounts Receivable [Member]
   
Derivatives, Fair Value [Line Items]    
Description of Location of Foreign Currency Derivatives on Balance Sheet Accountsreceivable  
Derivatives designated as hedging instruments under ASC 815 $ 83.8  
Nondesignated [Member] | Provisional Pricing Arrangements [Member] | Other Current Liabilities [Member]
   
Derivatives, Fair Value [Line Items]    
Description of Location of Foreign Currency Derivatives on Balance Sheet Other currentliabilities