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Accumulated Other Comprehensive Loss - Reclassification out of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jan. 31, 2025	Jan. 31, 2024	Jan. 31, 2025	Jan. 31, 2024
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cumulative translation adjustments	$ (906)	$ 979	$ (24,647)	$ 2,594
Pension expense	2,450	1,661	6,943	4,836
Wiley Edge And Cross Knowledge
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Cumulative translation adjustments			(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	$ 6,100	$ 5,900

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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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