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Accumulated Other Comprehensive Loss - Reclassification out of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cumulative translation adjustments	$ (23,520)	$ 925	$ (23,741)	$ 1,615
Pension expense	2,127	1,582	4,493	3,175
Wiley Edge And Cross Knowledge
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cumulative translation adjustments	(23,200)		(23,200)
Reclassification out of Accumulated Other Comprehensive Loss
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Pension expense	$ 2,000	$ 2,000	$ 4,100	$ 3,900

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Amount of net periodic benefit cost (credit) for defined benefit plan.

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Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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