v3.25.2
ACCOUNTS RECEIVABLE (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jul. 31, 2025
Jul. 31, 2024
Jul. 31, 2024
Jan. 31, 2025
ACCOUNTS RECEIVABLE        
Provision for credit losses   $ 0.5 $ 0.5  
Allowance for uncollectible accounts $ 1.8     $ 1.9
Overseas Project        
ACCOUNTS RECEIVABLE        
Billable amounts $ 24.7