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Investments (Tables) | 12 Months Ended
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Apr. 30, 2011
Investments |
Schedule of Cost and Fair Value of Available-for-Sale Securities |
(in 000s) |  |  |  |
As of April 30, |  | 2011 |  |  | 2010 |  |  |  |
|  |  |  |  | Gross |  |  | Gross |  |  |  |  |  |  |  |  | Gross |  |  | Gross |  |  |  |  |  |  |
|  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |  |  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair |  |  |  |
|  | Cost |  |  | Gains |  |  | Losses(1) |  |  | Value |  |  | Cost |  |  | Gains |  |  | Losses(1) |  |  | Value |  |  |  |
Mortgage-backed securities |  | $ | 157,970 |  |  | $ | 401 |  |  | $ | (194 | ) |  | $ | 158,177 |  |  | $ | 23,026 |  |  | $ | 39 |  |  | $ | (49 | ) |  | $ | 23,016 |  |  |  |  |
Municipal bonds |  |  | 8,335 |  |  |  | 405 |  |  |  | – |  |  |  | 8,740 |  |  |  | 8,442 |  |  |  | 459 |  |  |  | – |  |  |  | 8,901 |  |  |  |  |
Trust preferred security |  |  | – |  |  |  | – |  |  |  | – |  |  |  | – |  |  |  | 1,854 |  |  |  | – |  |  |  | (1,823 | ) |  |  | 31 |  |  |  |  |
|  | $ | 166,305 |  |  | $ | 806 |  |  | $ | (194 | ) |  | $ | 166,917 |  |  | $ | 33,322 |  |  | $ | 498 |  |  | $ | (1,872 | ) |  | $ | 31,948 |  |  |  |  |
(1) | At April 30, 2011, we had no investments that had been in a continuous loss position for more than twelve months. At April 30, 2010, investments with a cost of $15.7 million and gross unrealized losses of $1.9 million had been in a continuous loss position for more than twelve months.
Schedule of Contractual Maturities of AFS Debt Securities |
(in 000s) |  |  |  |
|  | Cost Basis |  |  | Fair Value |  |  |  |
Maturing in: |  |  |  |  |  |  |  |  |  |  |  |
Less than one year |  | $ | 3,023 |  |  | $ | 3,081 |  |  |  |  |
Two to five years |  |  | 3,112 |  |  |  | 3,331 |  |  |  |  |
Six to ten years |  |  | 2,200 |  |  |  | 2,328 |  |  |  |  |
Beyond |  |  | 157,970 |  |  |  | 158,177 |  |  |  |  |
|  | $ | 166,305 |  |  | $ | 166,917 |  |  |  |  |

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