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Fair Value of Financial Instruments (Tables)

12 Months Ended

Mar. 31, 2017

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 Private Placement Senior Unsecured Notes and Senior Unsecured Notes at March 31, 2017 is as follows:

		Fair Value
		(dollars in thousands)
Series 2005A Tranche C		$	58,128
Series 2007A Tranche C			24,418
Series 2007A Tranche D			39,119
4.500% Senior Unsecured Notes Due 2026			348,250

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