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STOCK-BASED COMPENSATION - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 31, 2025 | Jul. 31, 2024 | Jul. 31, 2025 | Jul. 31, 2024 | Jan. 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |
Stock compensation expense | $ 2,300 | $ 1,000 | $ 3,453 | $ 2,215 |
Unrecognized compensation cost | $ 10,200 |  | $ 10,200 |  |
Compensation expense recognize, period |  |  | 3 years |  |
Treasury stock to settle stock option exercises and other share-based awards |  |  | 233,478 |  | 260,630
Shares paid for tax withholding for share based compensation |  |  | 95,977 | 417,431 |
Share-based payment |  |  | $ 194 | $ 68.04 |
Performance-based restricted stock units |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |
The number of shares issuable under restricted stock units awarded during the period |  |  | 5,500 |  |
Earnings per share performance-based restricted stock units |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |
The number of shares issuable under restricted stock units awarded during the period |  |  | 16,450 |  |
Renewable energy performance-based restricted stock units |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |
The number of shares issuable under restricted stock units awarded during the period |  |  | 2,500 |  |
Time-based restricted stock units |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |
The number of shares issuable under restricted stock units awarded during the period |  |  | 32,350 |  |
NSOs |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |  |  |
Number of shares of awarded stock options |  |  | 4,000 |  |
weighted-average exercise price per share |  |  | $ 148.72 |  |
Number of shares of stock options |  |  | 230,433 |  |
weighted-average exercise price per share |  |  | $ 47.67 |  |
Number of shares of awarded stock options outstanding | 223,067 |  | 223,067 |  |

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