For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Revenue Recognition, Contracts with Customers - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
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Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations
Disaggregation of Revenue [Line Items]
Revenue from disposal group	$ 3,200		$ 17,400
Research \| Research Publishing \| Journal Subscriptions, Open Access and Comprehensive Agreements \| Product Concentration Risk \| Revenue from Contract with Customers
Disaggregation of Revenue [Line Items]
Revenue percentage	88.00%		88.00%
Research \| Research Solutions \| Print and Digital \| Product Concentration Risk \| Revenue from Contract with Customers
Disaggregation of Revenue [Line Items]
Revenue percentage	56.00%		53.00%
Learning \| Academic \| Print and Digital \| Transferred at Point in Time \| Product Concentration Risk \| Revenue from Contract with Customers
Disaggregation of Revenue [Line Items]
Revenue percentage	55.00%		57.00%
Learning \| Academic \| Digital Courseware \| Transferred over Time \| Product Concentration Risk \| Revenue from Contract with Customers
Disaggregation of Revenue [Line Items]
Revenue percentage	35.00%		27.00%
Learning \| Professional \| Print and Digital \| Transferred at Point in Time \| Product Concentration Risk \| Revenue from Contract with Customers
Disaggregation of Revenue [Line Items]
Revenue percentage	56.00%		54.00%
Learning \| Professional \| Assessments Offering \| Product Concentration Risk \| Revenue from Contract with Customers
Disaggregation of Revenue [Line Items]
Revenue percentage	32.00%		30.00%
Operating Segments \| Research
Disaggregation of Revenue [Line Items]
Revenue, net	$ 261,885	257,670	$ 527,194	515,474
Operating Segments \| Research \| Research Publishing
Disaggregation of Revenue [Line Items]
Revenue, net	222,667	219,743	453,618	442,743
Operating Segments \| Research \| Research Solutions
Disaggregation of Revenue [Line Items]
Revenue, net	39,218	37,927	73,576	72,731
Operating Segments \| Learning
Disaggregation of Revenue [Line Items]
Revenue, net	161,514	148,940	285,828	258,260
Operating Segments \| Learning \| Academic
Disaggregation of Revenue [Line Items]
Revenue, net	94,788	89,125	154,752	137,417
Operating Segments \| Learning \| Professional
Disaggregation of Revenue [Line Items]
Revenue, net	$ 66,726	$ 59,815	$ 131,076	$ 120,843