NET INCOME PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
NET INCOME PER SHARE
Net income	$ 32,358	$ 33,098	$ 38,244
Weighted average number of shares outstanding - basic	13,365	14,083	15,715
Effects of stock awards	183	93	198
Weighted average number of shares outstanding - diluted	13,548	14,176	15,913
Basic (in dollars per share)	$ 2.42	$ 2.35	$ 2.43
Diluted (in dollars per share)	$ 2.39	$ 2.33	$ 2.40