Quarterly report pursuant to Section 13 or 15(d)

Comprehensive Income

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Comprehensive Income
 6 Months Ended
Jun. 30, 2011
Comprehensive Income And Shareholders' Equity [Abstract]  
Comprehensive Income
6. Comprehensive Income
Total comprehensive income consisted of the following:
                                 
    Three Months Ended     Six Months Ended  
    June 30,     June 30,     June 30,     June 30,  
    2011     2010     2011     2010  
    (In millions)  
Net income
  $ 111.2     $ 82.2     $ 199.2     $ 134.0  
Unrealized (loss) gain on derivative instruments, net of taxes
    (0.1 )     2.5       0.2       4.6  
Foreign currency translation adjustment
    5.3       (15.1 )     20.2       (20.3 )
 
                       
Comprehensive income
  $ 116.4     $ 69.6     $ 219.6     $ 118.3