XML 66 R32.htm IDEA: XBRL DOCUMENT v2.4.0.6
Debt (Tables)
12 Months Ended
Dec. 31, 2012
Debt [Abstract]  
Summary of Indebtedness outstanding
                                         
    Effective
Interest
Rates
  Final
Maturity
 

      December 31,      

       

  2012  

 

  2011  

Short-term debt:

                           

Bank Credit Facility

  Variable   2015       $  38,000         $  38,000  

Long-term debt:

                           

6.05% Senior Notes, Face amount of $75,000 less unaccrued discount of $65 and $92

  6.1%   2015       74,935         74,908  

6.85% Senior Notes, Face amount of $125,000 less unaccrued discount of $126 and $164

  6.9%   2016         124,874           124,836  

Total

              $237,809         $237,744