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Goodwill and Intangible Assets - Narrative (Details) |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
May 13, 2024 USD ($) | Jan. 31, 2023 USD ($) | Apr. 30, 2024 USD ($) segment | Apr. 30, 2023 USD ($) segment | Apr. 30, 2022 USD ($)
Goodwill [Line Items] |  |  |  |  |
Number of reportable segments | segment |  |  | 3 | 3 |
Impairment |  |  | $ 108,449,000 | $ 99,800,000 | $ 0
Goodwill |  |  | 1,091,368,000 | $ 1,204,050,000 |
Asset impairment charges |  |  | 20,300,000 |  |
Held-for-Sale | Wiley Edge |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Impairment |  |  | 81,700,000 |  |
Goodwill |  |  | 0 |  |
Held-for-Sale | Wiley Edge | Subsequent Event |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Cash received net of transaction costs | $ 10,000,000 |  |  |  |
Held-for-Sale | Wiley Edge | Loan Note | Subsequent Event |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Consideration, noncash | $ 18,300,000 |  |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations | Wiley Edge |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Impairment of long-lived assets to be disposed of |  |  | $ 141,500,000 |  |
Learning |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Number of reporting units | segment |  |  | 2 | 2 |
Impairment |  |  | $ 0 |  |
Goodwill |  |  | $ 484,079,000 | $ 486,025,000 |
Held for Sale or Sold |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Number of reporting units | segment |  |  | 3 |  |
Impairment |  |  | $ 108,449,000 |  |
Goodwill |  |  | 0 | $ 108,296,000 |
Education Services |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Impairment |  |  | 31,000,000 |  |
Long-lived assets |  |  | 467,000,000 |  |
Asset impairment charges |  |  | 0 |  |
University Services |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Impairment |  |  | 68,800,000 |  |
Long-lived assets |  |  | 326,000,000 |  |
University Services |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Number of reporting units | segment |  |  |  | 2 |
Impairment |  | $ 11,400,000 | 0 |  |
Goodwill |  |  |  | $ 0 |
Assets, noncurrent |  |  |  | $ 231,000,000 |
Cross Knowledge |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Impairment |  |  | 15,300,000 |  |
Goodwill |  |  | 0 |  |
Assets, noncurrent |  |  | $ 50,200,000 |  |

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