Leases - Components of Lease Expense (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Aug. 31, 2026 |
Aug. 31, 2025 |
Aug. 31, 2026 |
Aug. 31, 2025 |
|
| Lease, Cost [Abstract] | ||||
| Operating lease cost | $ 1,267 | $ 1,434 | $ 2,534 | $ 2,865 |
| Supplemental cash flow information related to leases was as follows: | ||||
| Cash paid for amounts included in the measurement of lease liabilities, Operating cash flows from operating leases | 1,282 | 1,446 | 2,560 | 2,892 |
| Right-of-use assets obtained in exchange for lease obligations, Operating leases | $ 0 | $ 1,793 | $ 0 | $ 4,092 |
| Weighted Average Remaining Lease Terms, Operating leases | 2 years 8 months 12 days | 2 years 10 months 24 days | 2 years 8 months 12 days | 2 years 10 months 24 days |
| Weighted Average Discount Rate, Operating leases | 4.23% | 4.27% | 4.23% | 4.27% |