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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)
 6 Months Ended
Sep. 30, 2015
Fair Value Disclosures [Abstract]  
Fair Value of Senior Notes

The fair value of our long-term debt has been estimated based upon our current incremental borrowing rates for similar types of borrowing arrangements. The fair value of our Senior Notes at September 30, 2015 is as follows:

 

 

 

Fair Value

 

 

(dollars in thousands)

Series 2005A Tranche B

 

$

57,272

Series 2005A Tranche C

 

 

59,941

Series 2007A Tranche B

 

 

8,281

Series 2007A Tranche C

 

 

25,505

Series 2007A Tranche D

 

  

40,153