STOCKHOLDERS' EQUITY - Textuals (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2025	Jul. 31, 2024	Jul. 31, 2025	Jul. 31, 2024
STOCKHOLDERS' EQUITY
Common stock, shares issued	0	0	0	0
Treasury stock, shares utilized of equity awards	63,362	99,585	277,191	366,714
Aggregate purchase price			$ 44,345	$ 59,973