Available-for-Sale Investments (Table Text Block)

9 Months Ended

Dec. 31, 2014

Investments, Debt and Equity Securities [Abstract]

Available-for-Sale Investments

Available-for-sale investments at December 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	$	98,725	$	3,869	$	(211	)$	(98	)$	102,285
U.S. government agency mortgage-backed securities		31,868		2,636		(132	)	(11	)	34,361
Obligations of states and political subdivisions		164,739		10,440		(736	)	(79	)	174,364
Corporate securities		887,790		41,460		(4,559	)	(1,623	)	923,068
Mortgage-backed securities		20,628		465		(67	)	-		21,026
Redeemable preferred stocks		16,450		494		(415	)	(4	)	16,525
Common stocks		17,975		4,995		-		(31	)	22,939
	$	1,238,175	$	64,359	$	(6,120	)$	(1,846	)$	1,294,568

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