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STOCK-BASED COMPENSATION - Summary of Activity under Company's Stock Option Plans (Details) - $ / shares shares in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2023 | Jul. 31, 2022 | Jan. 31, 2023
STOCK-BASED COMPENSATION |  |  |
Shares, Outstanding, Beginning balance | 1,440 |  |
Shares, Granted | 10 |  |
Shares, Exercised | (45) |  |
Shares, Forfeited | (1) |  |
Shares, Outstanding, Ending balance | 1,404 | 1,431 | 1,440
Shares, Exercisable | 1,276 | 1,192 |
Weighted Average Exercise Price Per Share, Outstanding, Beginning balance | $ 43.84 |  |
Weighted Average Exercise Price Per Share, Granted | 39.47 |  |
Weighted Average Exercise Price Per Share, Exercised | 21.04 |  |
Weighted Average Exercise Price Per Share, Forfeited | 33.81 |  |
Weighted Average Exercise Price Per Share, Outstanding, Ending balance | 44.55 | $ 44.08 | $ 43.84
Weighted Average Exercise Price Per Share, Exercisable | $ 45.01 | $ 44.83 |
Weighted Average Remaining Term (Years), Outstanding | 5 years 1 month 28 days | 5 years 9 months 14 days | 5 years 5 months 15 days
Weighted Average Remaining Term (Years), Exercisable | 4 years 9 months 25 days | 5 years 3 months 7 days |
Weighted Average Grant Date Fair Value Per Share, Outstanding | $ 10.28 | $ 10.19 | $ 10.11
Weighted Average Grant Date Fair Value Per Share, Exercisable | $ 10.53 | $ 10.74 |

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(03) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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