STOCKHOLDERS' EQUITY - Textuals (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Stockholders Equity [Line Items]
Common stock, shares issued	0	0	0	0
Treasury stock, shares utilized of equity awards	601,970	111,583	603,971	383,119
Aggregate purchase price			$ 26,100	$ 16,622