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Goodwill and Intangible Assets - Narrative (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2023 USD ($)	Oct. 31, 2022 USD ($)	Oct. 31, 2023 USD ($) Segment	Oct. 31, 2022 USD ($)	Apr. 30, 2023 USD ($)
Goodwill [Line Items]
Number of reportable segments | Segment			3
Impairment of goodwill	$ 0	$ 0	$ 26,695	$ 0
Learning
Goodwill [Line Items]
Number of reporting units | Segment			2
Held for Sale or Sold
Goodwill [Line Items]
Number of reporting units | Segment			3
Impairment of goodwill			$ 26,695
University Services
Goodwill [Line Items]
Impairment of goodwill			11,400
Long-lived assets					$ 231,000
Cross Knowledge
Goodwill [Line Items]
Impairment of goodwill			$ 15,300
Long-lived assets					$ 50,200

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer.

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