v3.26.1
FAIR VALUE (Details) - USD ($)
$ in Thousands
Feb. 28, 2026
Feb. 28, 2025
Short-term investments    
Variable-rate financial instruments $ 1,428,305 $ 1,401,764
Long-term investments    
Equity securities with readily determinable fair values 272,012  
Fair Value, Measurements, Recurring    
Short-term investments    
Variable-rate financial instruments 1,428,305 1,401,764
Long-term investments    
Equity securities with readily determinable fair values 272,012  
Fair value option investments 71,914 11,397
Available-for-sale investments 82,386 139,002
Total 1,854,617 1,552,163
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1    
Short-term investments    
Variable-rate financial instruments 565,535  
Long-term investments    
Equity securities with readily determinable fair values 272,012  
Total 837,547  
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2    
Short-term investments    
Variable-rate financial instruments 862,770 1,401,764
Long-term investments    
Fair value option investments 60,232  
Total 923,002 1,401,764
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3    
Long-term investments    
Fair value option investments 11,682 11,397
Available-for-sale investments 82,386 139,002
Total $ 94,068 $ 150,399