Comprehensive Income (loss) (Table Text Block)

9 Months Ended

Dec. 31, 2016

Table Text Block Supplement [Abstract]

Summary of accumulated other comprehensive income (loss) components, net of tax

		Foreign Currency Translation		Unrealized Net Gain on Investments		Fair Market Value of Cash Flow Hedges		Postretirement Benefit Obligation Net Loss		Accumulated Other Comprehensive Income (Loss)
		(Unaudited)
		(In thousands)
Balance at March 31, 2016	$	(63,643)	$	14,115	$	(9,208)	$	(1,789)	$	(60,525)
Foreign currency translation		(7,803)		–		–		–		(7,803)
Unrealized net gain on investments		–		42,156		–		–		42,156
Change in fair value of cash flow hedges		–		–		12,078		–		12,078
Amounts reclassified from AOCI		–		–		(6,940)		–		(6,940)
Other comprehensive income (loss)		(7,803)		42,156		5,138		–		39,491
Balance at December 31, 2016	$	(71,446)	$	56,271	$	(4,070)	$	(1,789)	$	(21,034)