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CASH DIVIDENDS (Details) - $ / shares |  |  |  |  |  |  |  |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 29, 2021 | Sep. 09, 2021 | Jul. 30, 2021 | Jun. 24, 2021 | Apr. 30, 2021 | Apr. 14, 2021 | Oct. 31, 2020 | Jul. 31, 2020 | Apr. 30, 2020 | Oct. 31, 2021 | Oct. 31, 2020 | Oct. 31, 2021 | Oct. 31, 2020
CASH DIVIDENDS |  |  |  |  |  |  |  |  |  |  |  |  |
Regular cash dividend declared per common stock |  | $ 0.25 |  | $ 0.25 |  | $ 0.25 |  |  |  | $ 0.25 | $ 0.25 | $ 0.75 | $ 1.75
Special cash dividend paid per common stock |  |  |  |  |  |  |  | $ 1.00 |  |  |  |  |
Regular cash dividend paid per common stock | $ 0.25 |  | $ 0.25 |  | $ 0.25 |  | $ 0.25 | $ 0.25 | $ 0.25 |  |  |  | $ 0.25

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