v3.26.1
CASH, CASH EQUIVALENTS AND INVESTMENTS - Earnings on Cash and Invested Funds (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 31, 2026
Jan. 31, 2025
Jan. 31, 2024
CASH, CASH EQUIVALENTS AND INVESTMENTS      
Earnings on investments $ 24.0 $ 21.3 $ 14.1
Weighted average annual yield 3.00% 4.10%