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Loss on extinguishment of debt
 12 Months Ended
Mar. 31, 2014
Loss on extinguishment of debt  
Loss on extinguishment of debt

17. Loss on extinguishment of debt

        Loss on extinguishment of debt consists of the following:

 
   Year ended March 31,  
 
   2014   2013   2012  

Premiums paid on redemption / repurchase of

                    

8.875% Senior Notes

   $ 28,572   $ —   $ 1,770  

Deferred charges written off

     8,125     599     3,091  
               
​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​

 

   $ 36,697   $ 599   $ 4,861  
               
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