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Goodwill and Intangible Assets - Narrative (Details) $ in Thousands	12 Months Ended
	Apr. 30, 2023 USD ($) Segment	Apr. 30, 2022 USD ($)	Apr. 30, 2021 USD ($)
Goodwill [Line Items]
Number of customer-centric segments | Segment	2
Number of reportable segments | Segment	3
Impairment	$ 99,800	$ 0	$ 0
Education Services
Goodwill [Line Items]
Impairment	31,000
Long-lived assets	467,000
University Services
Goodwill [Line Items]
Impairment	68,800
Long-lived assets	$ 326,000
Academic
Goodwill [Line Items]
Number of reporting units | Segment	2
Talent
Goodwill [Line Items]
Number of reporting units | Segment	2

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