CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2024	Apr. 30, 2023
CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS
REVENUES	$ 157,682	$ 103,675
Cost of revenues	139,738	89,451
GROSS PROFIT	17,944	14,224
Selling, general and administrative expenses	11,425	10,591
INCOME FROM OPERATIONS	6,519	3,633
Other income (loss), net	4,794	(629)
INCOME BEFORE INCOME TAXES	11,313	3,004
Income tax expense	3,431	895
NET INCOME	7,882	2,109
OTHER COMPREHENSIVE INCOME, NET OF TAXES
Foreign currency translation adjustments	(790)	440
Net unrealized losses on available-for-sale securities	(969)	(37)
COMPREHENSIVE INCOME	$ 6,123	$ 2,512
NET INCOME PER SHARE
Basic (in dollars per share)	$ 0.59	$ 0.16
Diluted (in dollars per share)	$ 0.58	$ 0.16
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING
Basic (in shares)	13,257	13,413
Diluted (in shares)	13,572	13,546
CASH DIVIDENDS PER SHARE	$ 0.30	$ 0.25