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INCOME TAXES - Narrative (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
INCOME TAXES - Narrative (Detail) - USD ($) $ in Thousands	Nov. 19, 2025	Jan. 31, 2026	Jan. 31, 2025	Jan. 31, 2026	Jan. 31, 2025	Apr. 30, 2025
Income Tax Contingency [Line Items]
Unrecognized tax benefits		$ 10,000		$ 10,000
Unrecognized tax benefits, income tax penalties accrued		1,600		1,600
Unrecognized Tax Benefits that Would Impact Effective Tax Rate		11,600		11,600
Income tax expense (benefit)		6,715	$ 2,644	13,738	$ 17,367
Income (Loss) Before Income Taxes		$ (3,418)	$ 45,874	$ 16,771	$ 137,184
Effective income tax rate		(196.50%)	5.80%	81.90%	12.70%
Income tax expense related to foreign withholding tax matters		$ 15,300
Reimbursed amount including related surcharges and local withholdings on exchange rate at settlement	$ 9,700	9,700
Expense incurred for reducing the carrying amount of long-term withholding tax deposits to zero		5,600
Reduction in income tax expense		6,600
Increase in income tax expense		8,700
Long-term deposits		(0)		$ (0)
Immersion
Income Tax Contingency [Line Items]
Long-term deposits		201		201		$ 6,188
Barnes & Noble Education, Inc.
Income Tax Contingency [Line Items]
Income tax expense (benefit)				1,800
Income (Loss) Before Income Taxes				$ 5,100
Effective income tax rate				34.90%
Payable in Cash
Income Tax Contingency [Line Items]
Unrecognized tax benefits		$ 10,000		$ 10,000