EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2024	Oct. 31, 2023
EARNINGS PER SHARE
Net income	$ 28,010	$ 5,464	$ 54,090	$ 20,340
Weighted average number of shares outstanding - basic	13,530	13,328	13,398	13,381
Effects of stock awards	504	231	432	168
Weighted average number of shares outstanding - diluted	14,034	13,559	13,830	13,549
Basic (in dollars per share)	$ 2.07	$ 0.41	$ 4.04	$ 1.52
Diluted (in dollars per share)	$ 2.00	$ 0.40	$ 3.91	$ 1.50
Antidilutive common stock		690	140	881