v3.26.1
SHORT-TERM INVESTMENTS (Details) - USD ($)
$ in Thousands
Feb. 28, 2026
Feb. 28, 2025
SHORT-TERM INVESTMENTS.    
Held-to-maturity investments $ 287,141 $ 445,356
Variable-rate financial instruments 1,428,305 1,401,764
Short-term investments $ 1,715,446 $ 1,847,120