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STOCK-BASED COMPENSATION (Tables) | 3 Months Ended
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Apr. 30, 2024
STOCK-BASED COMPENSATION |
Schedule of stock option activity under the Company's stock plans | A summary of stock option activity under the Stock Plans for the three months ended April 30, 2024 is presented below (shares in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | Weighted- | ​ | Weighted-
​ | ​ | ​ | ​ | Weighted- | ​ | Average | ​ | Average
​ | ​ | ​ | ​ | Average Exercise | ​ | Remaining | ​ | Grant-Date
​ | ​ | ​ | ​ | Price | ​ | Contractual | ​ | Fair Value
​ |  | Shares |  | Per Share |  | Term (years) |  | Per Share
Outstanding, February 1, 2024 |  | 1,365 | ​ | $ | 44.95 |  | 4.67 | ​ | $ | 10.43
Granted | ​ | 6 | ​ | $ | 61.22 | ​ | ​ | ​ | ​ | ​
Exercised | ​ | (249) | ​ | $ | 41.58 | ​ | ​ | ​ | ​ | ​
Forfeited | ​ | (4) | ​ | $ | 60.07 | ​ | ​ | ​ | ​ | ​
Outstanding, April 30, 2024 | ​ | 1,118 | ​ | $ | 45.73 |  | 4.47 | ​ | $ | 10.63
Exercisable, April 30, 2024 |  | 1,047 | ​ | $ | 46.13 | ​ | 4.19 | ​ | $ | 10.81
Vested or expected to vest, April 30, 2024 |  | 1,118 | ​ | $ | 45.73 |  | 4.47 | ​ | $ | 10.63
Schedule of changes in the number of non-vested options to purchase shares of common stock | ​
​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ | ​ | Weighted-
​ | ​ | ​ | ​ | Average
​ | ​ | ​ | ​ | Grant-Date
​ | ​ | ​ | ​ | Fair Value
​ | ​ | Shares |  | Per Share
Non-vested, February 1, 2024 |  | 92 | ​ | $ | 7.85
Granted |  | 6 | ​ | $ | 13.89
Vested |  | (27) | ​ | $ | 8.63
Non-vested, April 30, 2024 |  | 71 | ​ | $ | 8.06
Schedule of changes in the maximum number of shares of common stock issuable pursuant to outstanding restricted stock units | The changes in the maximum number of shares of common stock issuable pursuant to outstanding restricted stock units for the three months ended April 30, 2024, are presented below (shares in thousands):
​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Weighted-
​ | ​ | ​ | ​ | Average
​ | ​ | ​ | ​ | Grant-Date
​ | ​ | ​ | ​ | Fair Value
​ | ​ | Shares | ​ | Per Share
Outstanding, February 1, 2024 |  | 348 | ​ | $ | 30.21
Awarded |  | 75 | ​ | $ | 41.49
Issued | ​ | (50) | ​ | $ | 42.17
Forfeited | ​ | (55) | ​ | $ | 24.49
Outstanding, April 30, 2024 |  | 318 | ​ | $ | 31.99
​

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480429/718-10-50-2 + Details
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