Other Income, Net - Additional Information (Detail) - USD ($) $ in Thousands |
8 Months Ended | 12 Months Ended | |
|---|---|---|---|
Dec. 31, 2025 |
Apr. 30, 2025 |
Apr. 30, 2024 |
|
| Other Nonoperating Income Expenses [Line Items] | |||
| Research and development tax credit receivable | $ 6,200 | $ 1,383 | $ 8,439 |
| R&D tax credit recognized | 3,722 | 5,014 | 8,452 |
| R&D Credit Carryforward [Member] | |||
| Other Nonoperating Income Expenses [Line Items] | |||
| R&D tax credit recognized | $ 3,700 | $ 5,000 | $ 8,500 |