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

6 Months Ended

Sep. 30, 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 September 30, 2012, by contractual maturity, were as follows:

	Amortized Cost		Estimated Market Value
	(Unaudited)
	(In thousands)
Due in one year or less	$	51,141	$	52,289
Due after one year through five years		148,038		157,500
Due after five years through ten years		217,112		233,269
Due after ten years		368,697		401,347
		784,988		844,405
Mortgage backed securities		18,244		18,654
Redeemable preferred stocks		24,147		24,558
Common stocks		27,762		16,829
	$	855,141	$	904,446