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Income Taxes (Tables)
6 Months Ended
Jun. 30, 2012
Income Taxes [Abstract]  
Reconciliation of Income Tax
                 
    Six months ended
June 30,
 
    2011     2012  
    (In millions)  

Expected tax expense, at U.S. federal statutory income tax rate of 35%

  $ 69.5     $ 96.3  

Incremental tax on earnings of non- U.S. companies

    7.4       6.5  

Non-U.S. tax rates

    (8.3     (12.1

U.S. state income taxes and other, net

    3.7       3.5  
   

 

 

   

 

 

 

Income tax expense

  $ 72.3     $ 94.2