EX-12.1 3 d309019dex121.htm COMPUTATION OF RATIO OF DEBT TO EQUITY Computation of ratio of debt to equity

EXHIBIT 12.1

Computation of Ratio of Debt to Equity

 

     Year ended December 31,  

Dollars in thousands

    2011      2010      2009      2008      2007  

Debt

    $ 357,779       $ 380,532       $ 382,522       $ 462,650       $ 542,549   

Equity

      171,504         162,765         162,977         174,946         172,423   

Debt to equity

      2.09         2.34         2.35         2.64         3.15