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Divestitures - Pre Tax Gain(Loss) on Sale of Business and Certain Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net gain (loss) on sale of businesses, assets, and impairment charges related to assets held-for-sale	$ 369	$ (51,414)	$ 6,170	$ (127,343)
Wiley Edge
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net gain (loss) on sale of businesses, assets, and impairment charges related to assets held-for-sale	956	0	788	0
University Services
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net gain (loss) on sale of businesses, assets, and impairment charges related to assets held-for-sale	0	(34,807)	1,489	(75,466)
Tuition Manager
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net gain (loss) on sale of businesses, assets, and impairment charges related to assets held-for-sale	0	568	120	(1,500)
CrossKnowledge
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net gain (loss) on sale of businesses, assets, and impairment charges related to assets held-for-sale	(438)	(17,175)	3,922	(50,377)
Sale of assets
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net gain (loss) on sale of businesses, assets, and impairment charges related to assets held-for-sale	$ (149)	$ 0	$ (149)	$ 0

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