Investments (Tables)

9 Months Ended

Jan. 31, 2014

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 available-for-sale (AFS) are summarized below:

(in 000s)
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses (1)			Fair Value
As of January 31, 2014:
Long-term:
Mortgage-backed securities	$	449,097	$	3,201	$	(12,903	)	$	439,395
Municipal bonds	4,134		241		—			4,375
	$	453,231	$	3,442	$	(12,903	)	$	443,770
As of January 31, 2013:
Short-term:
Municipal bonds	$	1,000	$	1	$	—		$	1,001
Long-term:
Mortgage-backed securities	386,741		5,825		(780		)	391,786
Municipal bonds	4,192		334		—			4,526
	390,933		6,159		(780		)	396,312
	$	391,933	$	6,160	$	(780	)	$	397,313
As of April 30, 2013:
Long-term:
Mortgage-backed securities	$	476,450	$	6,592	$	(664	)	$	482,378
Municipal bonds	4,178		320		—			4,498
	$	480,628	$	6,912	$	(664	)	$	486,876

⁽¹⁾  As of January 31, 2014, mortgage-backed securities with a cost of $25.8 million and gross unrealized losses of $2.8 million had been in a continuous loss position for more than twelve months. As of January 31, 2013 and April 30, 2013, we had no securities that had been in a continuous loss position for more than twelve months.

Contractual Maturities Of AFS Debt Securities At Varying Dates Over The Next 30 Years

Contractual maturities of AFS debt securities at January 31, 2014, occur at varying dates over the next 29 years, and are set forth in the table below.

(in 000s)
	Amortized Cost		Fair Value
Maturing in:
Two to five years	$	4,134	$	4,375
Beyond	449,097		439,395
	$	453,231	$	443,770