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Comprehensive Income (Tables)
12 Months Ended
Dec. 31, 2012
Comprehensive Income  
Summary of the tax effects allocated to each component of Other comprehensive income

 

 
  For the Year Ended December 31, 2010  
 
  Pre-Tax   Tax Expense   Net of Tax  

Foreign currency translation adjustment

  $ 24.8   $   $ 24.8  

Change in net realized and unrealized gain on derivative securities

    5.9     (2.2 )   3.7  

Change in net unrealized gain on investment securities

    41.3     (15.3 )   26.0  
               

Other comprehensive income

  $ 72.0   $ (17.5 ) $ 54.5  
               

 
  For the Year Ended December 31, 2011  
 
  Pre-Tax   Tax Benefit   Net of Tax  

Foreign currency translation adjustment

  $ (10.2 ) $   $ (10.2 )

Change in net realized and unrealized loss on derivative securities

    (9.7 )   3.8     (5.9 )

Change in net unrealized loss on investment securities

    (56.6 )   22.2     (34.4 )
               

Other comprehensive loss

  $ (76.5 ) $ 26.0   $ (50.5 )
               

 
  For the Year Ended December 31, 2012  
 
  Pre-Tax   Tax Expense   Net of Tax  

Foreign currency translation adjustment

  $ 18.5   $   $ 18.5  

Change in net realized and unrealized loss on derivative securities

    (1.1 )   0.4     (0.7 )

Change in net unrealized gain on investment securities

    21.6     (8.1 )   13.5  
               

Other comprehensive income

  $ 39.0   $ (7.7 ) $ 31.3  
               
Schedule of components of Accumulated other comprehensive income, net of taxes

 

 
  December 31,
2011
  Other
Comprehensive
Income
  December 31,
2012
 

Foreign currency translation adjustments

  $ 57.7   $ 18.5   $ 76.2  

Realized and unrealized losses on derivative securities

    (2.2 )   (0.7 )   (2.9 )

Unrealized gain (loss) on investment securities

    (5.5 )   13.5     8.0  
               

Accumulated other comprehensive income

    50.0     31.3     81.3  

Accumulated other comprehensive income (non-controlling interests)

        (2.2 )   (2.2 )
               

Accumulated other comprehensive income (controlling interest)

  $ 50.0   $ 29.1   $ 79.1