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Quarterly Results (Tables) | 12 Months Ended
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Apr. 30, 2012
Schedule Of Unaudited Quarterly Information | The unaudited quarterly information has been prepared on the same basis as the annual financial statements and, in management’s opinion, includes all adjustments necessary to present fairly the information for the quarters presented.
|  | Quarters Ended |
|  | Fiscal 2012 |  |  | Fiscal 2011 |
|  | April 30 |  |  | January 31 |  |  | October 31 |  |  | July 31 |  |  | April 30 |  |  | January 31 |  |  | October 31 |  |  | July 31 |
|  | (in thousands, except per share data) |
Fee revenue |  | $ | 198,087 |  |  | $ | 185,951 |  |  | $ | 200,136 |  |  | $ | 206,331 |  |  | $ | 197,298 |  |  | $ | 186,489 |  |  | $ | 185,350 |  |  | $ | 175,112 |
Operating income |  | $ | 15,352 |  |  | $ | 16,165 |  |  | $ | 25,407 |  |  | $ | 25,942 |  |  | $ | 26,246 |  |  | $ | 20,492 |  |  | $ | 19,775 |  |  | $ | 19,272 |
Net income |  | $ | 12,028 |  |  | $ | 11,717 |  |  | $ | 15,147 |  |  | $ | 15,411 |  |  | $ | 20,339 |  |  | $ | 13,975 |  |  | $ | 13,656 |  |  | $ | 10,904 |
Net income per share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 0.26 |  |  | $ | 0.25 |  |  | $ | 0.33 |  |  | $ | 0.34 |  |  | $ | 0.45 |  |  | $ | 0.31 |  |  | $ | 0.30 |  |  | $ | 0.24 |
Diluted |  | $ | 0.25 |  |  | $ | 0.25 |  |  | $ | 0.32 |  |  | $ | 0.33 |  |  | $ | 0.43 |  |  | $ | 0.30 |  |  | $ | 0.30 |  |  | $ | 0.24 |

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 270 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (a)-(j) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6952194&loc=d3e1280-108306 + Details
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