Exhibit 12.1

Computation of Ratio of Earnings to Fixed Charges

(dollars in thousands)

 

     2004     2005     2006     2007     2008  

Fixed charges:

          

Interest expense, other

   $ 35,465     $ 38,625     $ 36,105     $ 36,411     $ 54,430  

Capitalized interest

     2,795       2,328       3,651       2,463       1,543  

Rent expense (interest factor)

     18,610       22,403       27,927       28,613       28,420  

Total fixed charges

     56,870       63,356       67,683       67,487       84,393  

Income from continuing operations before income taxes and cumulative effect of change in accounting principle

     107,825       134,575       125,314       161,819       (764,975 )

Add: Fixed charges

     56,870       63,356       67,683       67,487       84,393  

Less: Capitalized interest

     (2,795 )     (2,328 )     (3,651 )     (2,463 )     (1,543 )

Income from continuing operations before income taxes and cumulative effect of change in accounting principle & fixed charges

   $ 161,900     $ 195,603     $ 189,346     $ 226,843     $ (682,125 )

Ratio of earnings to fixed charges

     2.8 x     3.1 x     2.8 x     3.4 x   $ (766,518 )