Investment (Income), Net - Net (Gain) on Marketable Securities (Detail) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Aug. 31, 2026 |
Aug. 31, 2025 |
|
| Net Loss (Gain) on Marketable Securities | ||
| Unrealized (gains) on marketable equity securities | $ (1,563) | $ (8,586) |
| Realized (gains) on marketable equity securities | (469) | (97) |
| Realized losses on available-for-sale debt securities | 0 | 10 |
| Net (gain) on marketable securities | $ (2,032) | $ (8,673) |