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Investments in Unconsolidated Entities (Tables) | 9 Months Ended
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Jan. 31, 2014
Investments Debt And Equity Securities [Abstract] |
Equity and Cost Method Investments | The following table summarizes our equity and cost method investments as of January 31, 2014 and April 30, 2013:
|  | January 31, 2014 |  |  | April 30, 2013 |
Equity method investments |  | $ | — |  |  | $ | 3,766 |
Cost method investments |  |  | 16,752 |  |  |  | 16,486 |
Investments in unconsolidated entities |  | $ | 16,752 |  |  | $ | 20,252 |

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