Derivatives (Table Text Block)

3 Months Ended

Jun. 30, 2016

Derivative Instrument Detail [Abstract]

Derivatives

	Original variable rate debt and lease amount		Agreement Date	Effective Date	Expiration Date	Designated cash flow hedge date
	(Unaudited)
	(In millions)
$	300.0		8/16/2006	8/18/2006	8/10/2018	8/4/2006
	14.7	(a)	7/6/2010	8/15/2010	7/15/2017	7/6/2010
	25.0	(a)	4/26/2011	6/1/2011	6/1/2018	6/1/2011
	50.0	(a)	7/29/2011	8/15/2011	8/15/2018	7/29/2011
	20.0	(a)	8/3/2011	9/12/2011	9/10/2018	8/3/2011
	15.1	(b)	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) forward swap
	(b) operating lease

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

		Net Liability Derivative Fair Value as of
		June 30, 2016		March 31, 2016
		(Unaudited)
		(In thousands)
Interest rate contracts designated as hedging instruments	$	12,766	$	14,845

Effect of Interest Rate Contracts on the Statement of Operations

		The Effect of Interest Rate
		Contracts on the Statements of Operations
		Quarters Ended June 30,
		2016		2015
		(Unaudited)
		(In thousands)
Loss recognized in income on interest rate contracts	$	2,811	$	3,366
Gain recognized in AOCI on interest rate contracts (effective portion)	$	(2,081)	$	(3,370)
Loss reclassified from AOCI into income (effective portion)	$	2,809	$	3,360
(Gain) loss recognized in income on interest rate contracts (ineffective portion and amount excluded from effectiveness testing)	$	2	$	6