Investments (Tables)

3 Months Ended

Jul. 31, 2015

Investments, Debt and Equity Securities [Abstract]

Amortized Cost And Fair Value Of Securities Available-For-Sale

The amortized cost and fair value of securities classified as AFS are summarized below:

(in 000s)
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
As of July 31, 2015:
Mortgage-backed securities	$	392,285	$	11,936	$	—		$	404,221
Municipal bonds	3,025		80		—			3,105
U.S. treasury bills	100		—		—			100
	$	395,410	$	12,016	$	—		$	407,426
As of July 31, 2014:
Mortgage-backed securities	$	401,092	$	2,582	$	—		$	403,674
Municipal bonds	4,106		183		—			4,289
U.S. treasury bills	100		—		—			100
	$	405,298	$	2,765	$	—		$	408,063
As of April 30, 2015:
Mortgage-backed securities	$	421,035	$	13,889	$	—		$	434,924
Municipal bonds	4,062		109		(24		)	4,147
Common stock	2,491		47		—			2,538
U.S. treasury bills	100		—		—			100
	$	427,688	$	14,045	$	(24	)	$	441,709