Available-for-Sale Investments (Table Text Block)

6 Months Ended

Sep. 30, 2014

Investments, Debt and Equity Securities [Abstract]

Available-for-Sale Investments

Available-for-sale investments at September 30, 2014 were as follows:

		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses More than 12 Months		Gross Unrealized Losses Less than 12 Months		Estimated Market Value
		(Unaudited)
		(In thousands)
U.S. treasury securities and government obligations	$	71,987	$	3,640	$	(223	)$	(20	)$	75,384
U.S. government agency mortgage-backed securities		33,291		2,838		(129	)	(3	)	35,997
Obligations of states and political subdivisions		164,887		9,354		(1,242	)	(39	)	172,960
Corporate securities		877,833		45,736		(4,294	)	(1,275	)	918,000
Mortgage-backed securities		16,817		518		(2	)	(80	)	17,253
Redeemable preferred stocks		17,448		646		(348	)	(25	)	17,721
Common stocks		17,975		4,841		-		-		22,816
	$	1,200,238	$	67,573	$	(6,238	)$	(1,442	)$	1,260,131

Available-for-sale investments at March 31, 2014 were as follows:

		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses More than 12 Months		Gross Unrealized Losses Less than 12 Months		Estimated Market Value
		(Unaudited)
		(In thousands)
U.S. treasury securities and government obligations	$	49,883	$	1,475	$	-	$	(1,004	)$	50,354
U.S. government agency mortgage-backed securities		36,258		2,558		(4	)	(425	)	38,387
Obligations of states and political subdivisions		166,311		4,834		(308	)	(3,627	)	167,210
Corporate securities		834,923		26,075		(3,794	)	(25,875	)	831,329
Mortgage-backed securities		12,425		279		(3	)	(514	)	12,187
Redeemable preferred stocks		18,445		283		(82	)	(1,113	)	17,533
Common stocks		17,299		3,987		(1	)	(10	)	21,275
	$	1,135,544	$	39,491	$	(4,192	)$	(32,568	)$	1,138,275