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Divestitures - Pre Tax Loss on Sale of Business and Certain Assets (Details) - USD ($) $ in Thousands | 3 Months Ended
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Jul. 31, 2025 | Jul. 31, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Net (loss) gain on sale of businesses, assets, and impairment charges related to assets held-for-sale | $ (1,116) | $ 5,801
University Services |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Net (loss) gain on sale of businesses, assets, and impairment charges related to assets held-for-sale | (934) | 1,489
CrossKnowledge |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Net (loss) gain on sale of businesses, assets, and impairment charges related to assets held-for-sale | 0 | 4,360
Wiley Edge |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Net (loss) gain on sale of businesses, assets, and impairment charges related to assets held-for-sale | 0 | (168)
Tuition Manager |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Net (loss) gain on sale of businesses, assets, and impairment charges related to assets held-for-sale | 0 | 120
Other disposition activity |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Net (loss) gain on sale of businesses, assets, and impairment charges related to assets held-for-sale | $ (182) | $ 0

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