Fair Value of Financial Instruments (Tables)

12 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

Fair Value of Senior Notes

The fair value of our senior notes has been estimated based upon our current incremental borrowing rates for similar types of borrowing arrangements. The fair value of our Senior Notes at March 31, 2015 is as follows:

	Fair Value
	(dollars in thousands)
Series 2005A Tranche B	$	58,206
Series 2005A Tranche C		60,911
Series 2007A Tranche B		8,434
Series 2007A Tranche C		25,952
Series 2007A Tranche D		40,777