EXHIBIT 12.1
 
Computation of Ratio of Earnings to Fixed Charges
(amounts in millions of dollars)
 
   
Twelve Months Ended December 31,
   
Six Months
Ended
June 30,
 
   
2005
   
2006
   
2007
   
2008
   
2009
   
2010
 
Earnings:
                                   
Pre-tax income from continuing operations before adjustment for noncontrolling interests in consolidated subsidiaries or income or loss from equity investees
  $ 370.5     $ 390.0     $ 390.6     $ 373.5     $ 330.2     $ 182.4  
Add: Fixed charges (from below)
    43.9       37.5       65.2       80.2       64.5       31.9  
Add: Amortization of capitalized interest
    0.2       0.3       0.4       0.6       0.7       0.4  
Add: Distributed income of equity investee
                      0.7       1.8       1.0  
Subtract: Capitalized interest expense
    0.7       0.6       0.9       2.0       0.5       0.2  
    $ 413.9     $ 427.2     $ 455.3     $ 453.0     $ 396.7     $ 215.5  
                                                 
Fixed charges:
                                               
Interest expense (including amortization of debt issuance costs and debt discounts and premiums)
  $ 35.6     $ 31.9     $ 58.5     $ 71.3     $ 57.0     $ 28.3  
Add: Capitalized interest expense
    0.7       0.6       0.9       2.0       0.5       0.2  
Add: Portion of rental expense representing interest
    7.6       5.0       5.8       6.9       7.0       3.4  
    $ 43.9     $ 37.5     $ 65.2     $ 80.2     $ 64.5     $ 31.9  
                                                 
Ratio of earnings to fixed charges
    9.4       11.4       7.0       5.6       6.2       6.8