Derivatives (Table Text Block)

6 Months Ended

Sep. 30, 2018

Derivative Instrument Detail [Abstract]

Derivatives

	Original variable rate debt amount		Agreement Date	Effective Date	Expiration Date	Designated cash flow hedge date
	(Unaudited)
	(In millions)
$	15.1	(a)	3/27/2012	3/28/2012	3/28/2019	3/26/2012
	25.0		4/13/2012	4/16/2012	4/1/2019	4/12/2012
	44.3		1/11/2013	1/15/2013	12/15/2019	1/11/2013
	(a) operating lease

Derivative Fair Values Located in Accounts Payable and Accrued Expenses in the Balance Sheet

		Derivatives Fair Values as of
		September 30, 2018		March 31, 2018
		(Unaudited)
		(In thousands)
Interest rate contracts designated as hedging instruments
Assets	$	359	$	437
Liabilities		–		(897)

Effect of Interest Rate Contracts on the Statement of Operations

		The Effect of Interest Rate Contracts on the Statements of Operations for the Six Months Ended
		September 30, 2018		September 30, 2017
		(Unaudited)
		(In thousands)
Loss recognized in income on interest rate contracts	$	672	$	2,624
Gain recognized in AOCI on interest rate contracts (effective portion)	$	(846)	$	(2,744)
Loss reclassified from AOCI into income (effective portion)	$	645	$	2,618
(Gain) loss recognized in income on interest rate contracts (ineffective portion and amount excluded from effectiveness testing)	$	27	$	6