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STOCKHOLDERS' EQUITY - Textuals (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Jan. 31, 2024 | Jan. 31, 2023 | Jan. 31, 2022 | Oct. 10, 2023 | Aug. 31, 2023 | Jul. 31, 2023
Stockholders Equity [Line Items] |  |  |  |  |  |
Aggregate number of shares authorized for repurchase |  |  |  |  | 10,000,000 | 6,813,851
Common stock share acquired | 1,598,568 | 1,587,581 | 656,213 |  |  |
Aggregate purchase price | $ 26,100 | $ 26,949 | $ 17,300 |  |  |
Stock repurchase program, remaining shares authorized | 10,000,000 |  |  |  |  |
Long-Term Incentive Stock Plan |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |
Shares authorized |  |  |  | 2,800,000 |  |
Shares available for grant | 2,404,510 |  |  |  |  |
Restricted Stock Units (RSUs) |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |
Vesting and exercise period of awards | 3 years |  |  |  |  |
Restricted Stock Units (RSUs) | Long-Term Incentive Stock Plan |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |
Share-based compensation expense | $ 17,200 | 32,500 | 17,400 |  |  |
Unrecognized stock compensation related to unvested option awards | 32,800 | 20,800 | 21,200 |  |  |
Fair value of award for which restrictions lapsed | $ 23,000 | $ 20,400 | $ 10,800 |  |  |
Performance Shares |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |
Vesting and exercise period of awards | 3 years |  |  |  |  |
Lock up period after vesting | 2 years |  |  |  |  |
Performance Shares | Minimum |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |
Vesting and exercise period of awards | 2 years |  |  |  |  |
Performance Shares | Maximum |  |  |  |  |  |
Stockholders Equity [Line Items] |  |  |  |  |  |
Vesting and exercise period of awards | 5 years |  |  |  |  |

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