Derivative Instruments (Tables)

12 Months Ended

Mar. 31, 2016

Derivatives, Fair Value [Line Items]

Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]

The following table summarizes the location and fair value amounts of derivative instruments reported in the consolidated balance sheets at March 31, 2015 (amounts in thousands):

	Asset Derivatives
Derivatives designated as hedging instruments	Balance Sheet Location	Fair Value
Interest rate contracts	Other assets	$	8,928

The following table summarizes the location and amount of the gain or loss on the hedged item attributable to the changes in the LIBOR swap rate and the offsetting gain or loss on the related interest rate swap agreements for the years ended March 31, 2016 and 2015. The difference represents hedge ineffectiveness (amounts in thousands):

	Year ended March 31,
	2016					2015
Income Statement Classification	Gain (Loss) on Senior Subordinated Convertible Debentures			Gain (Loss) on Interest Rate Swap		Gain (Loss) on Senior Subordinated Convertible Debentures			Gain (Loss) on Interest Rate Swap
Other income (expense)	$	(18,060	)	$	16,345	$	(8,302	)	$	8,928