REVENUE - Deferred Revenue (Details) - USD ($) $ in Thousands |
11 Months Ended | 12 Months Ended | |
|---|---|---|---|
Apr. 30, 2025 |
Apr. 30, 2026 |
Apr. 30, 2025 |
|
| Immersion | |||
| Movement in Deferred Revenue [Roll Forward] | |||
| Deferred revenue beginning of the period | $ 8,728 | $ 20,472 | |
| Additions to deferred revenue during the period | 0 | 882 | |
| Reductions to deferred revenue for revenue recognized during the period | (2,938) | (12,626) | |
| Deferred revenue balance end of the period | $ 8,728 | 5,790 | 8,728 |
| Barnes & Noble Education, Inc. | |||
| Movement in Deferred Revenue [Roll Forward] | |||
| Deferred revenue beginning of the period | 11,044 | 13,566 | |
| Additions to deferred revenue during the period | 173,969 | 179,893 | |
| Reductions to deferred revenue for revenue recognized during the period | (171,447) | (180,266) | |
| Deferred revenue balance end of the period | $ 13,566 | $ 13,193 | $ 13,566 |