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Long-Term Debt and Financing Arrangements (Tables)
12 Months Ended
Dec. 31, 2013
Debt Disclosure [Abstract]  
Schedule of Outstanding Debt

Our outstanding debt is as follows (in thousands):

 

     Period Ended  
     December 31,
2013
    December 31,
2012
 

Equipment Notes due by June 19, 2018 with quarterly principal and interest payments of $480,000 commencing on August 14, 2013; interest is paid quarterly at a fixed rate between 1.9% and 2.0%

   $ 8,246      $ —     
  

 

 

   

 

 

 

Less current portion

     (1,771     —     
  

 

 

   

 

 

 

Total long-term debt

   $ 6,475      $ —     
  

 

 

   

 

 

 
Summary of Aggregate Principal Payments

Aggregate principal payments, in thousands, due subsequent to December 31, 2013, are as follows:

 

2014

   $ 1,771   

2015

     1,806   

2016

     1,841   

2017

     1,877   

2018

     951   
  

 

 

 
   $ 8,246