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Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2012
Summary of Significant Accounting Policies  
Schedule of cash paid

Cash paid (in thousands) for:

 
  Three Months
Ended
September 30,
  Nine Months
Ended
September 30,
 
 
  2012   2011   2012   2011  

Interest

  $ 320   $ 388   $ 984   $ 1,198  

Income taxes

    1,578     118     3,112     1,116  
                   

Total

  $ 1,898   $ 506   $ 4,096   $ 2,314