EX-12.1 3 dex121.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    2007    2006    2005    2004    2003

Debt

    $ 542,549    $ 455,137    $ 400,915    $ 339,395    $ 287,454

Equity

      172,423      169,628      166,354      170,461      162,116

Debt to equity

      3.15      2.68      2.41      1.99      1.77