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Goodwill and Intangible Assets - Narrative (Details) $ in Thousands | 12 Months Ended
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Apr. 30, 2023 USD ($) Segment | Apr. 30, 2022 USD ($) | Apr. 30, 2021 USD ($)
Goodwill [Line Items] |  |  |
Number of customer-centric segments | Segment | 2 |  |
Number of reportable segments | Segment | 3 |  |
Impairment | $ 99,800 | $ 0 | $ 0
Education Services |  |  |
Goodwill [Line Items] |  |  |
Impairment | 31,000 |  |
Long-lived assets | 467,000 |  |
University Services |  |  |
Goodwill [Line Items] |  |  |
Impairment | 68,800 |  |
Long-lived assets | $ 326,000 |  |
Academic |  |  |
Goodwill [Line Items] |  |  |
Number of reporting units | Segment | 2 |  |
Talent |  |  |
Goodwill [Line Items] |  |  |
Number of reporting units | Segment | 2 |  |

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