v3.26.1
INCOME TAXES - Reconciliation updated requirements of ASU 2023-09 (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 28, 2026
Feb. 28, 2025
Feb. 29, 2024
Income tax rate reconciliation, Amount      
Chinese mainland statutory income tax rate $ 171,353 $ 33,028 $ 4,371
Effect of income tax rate difference in other jurisdictions   (14,431) (70)
Effect of Cross-Border tax laws 1,451    
Changes in Valuation allowance 37,982 15,378 6,109
Non-taxable or non-deductible items 3,769    
Effect of income tax exemptions and preferential tax rates (20,658) (7,225) (700)
Effect of research and development super deduction expenses (12,883)    
Total income tax provision $ 154,417 $ 38,320 $ 15,379
Tax Jurisdiction of Domicile [Extensible Enumeration] CHINA    
Income tax rate reconciliation (as a percent)      
Chinese mainland statutory income tax rate (as a percent) 25.00% 25.00% 25.00%
Effect of Cross-Border tax laws (as a percent) 0.20%    
Changes in Valuation allowance (as a percent) 5.50%    
Non-taxable or non-deductible items (as a percent) 0.60%    
Effect of income tax exemptions and preferential tax rates (as a percent) (3.00%)    
Effect of research and development super deduction expenses (as a percent) (1.90%)    
Effective Income Tax Rate Reconciliation, Percent, Total 22.50%    
Foreign Tax Jurisdiction [Member]      
Income tax rate reconciliation, Amount      
Total income tax provision $ 7,978    
Others      
Income tax rate reconciliation, Amount      
Effect of income tax rate difference in other jurisdictions $ 6,953    
Income tax rate reconciliation (as a percent)      
Effect of income tax rate difference in other jurisdictions (as a percent) 1.00%    
Cayman Islands      
Income tax rate reconciliation, Amount      
Effect of income tax rate difference in other jurisdictions $ (33,550)    
Income tax rate reconciliation (as a percent)      
Effect of income tax rate difference in other jurisdictions (as a percent) (4.90%)