Adjusted Cost and Estimated Market Value Available-for-Sale Investment (Table Text Block)

9 Months Ended

Dec. 31, 2012

Investments, Debt and Equity Securities [Abstract]

Investments classified by contractual maturity date

The adjusted cost and estimated market value of available-for-sale investments at December 31, 2012, by contractual maturity, were as follows:

		Amortized Cost		Estimated Market Value
		(Unaudited)
		(In thousands)
Due in one year or less	$	48,841	$	49,768
Due after one year through five years		168,987		180,963
Due after five years through ten years		243,324		263,840
Due after ten years		412,790		453,000
		873,942		947,571
Mortgage backed securities		24,597		25,316
Redeemable preferred stocks		21,353		22,208
Common stocks		30,866		24,873
	$	950,758	$	1,019,968