CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
CONDENSED CONSOLIDATED STATEMENTS OF EARNINGS
REVENUES	$ 117,875	$ 124,451	$ 336,262	$ 383,800
Cost of revenues	95,667	98,316	269,929	306,299
GROSS PROFIT	22,208	26,135	66,333	77,501
Selling, general and administrative expenses	12,667	11,590	34,226	31,813
INCOME FROM OPERATIONS	9,541	14,545	32,107	45,688
Other income, net	768	1,117	1,868	1,569
INCOME BEFORE INCOME TAXES	10,309	15,662	33,975	47,257
Income tax expense	(2,551)	(3,269)	(14,510)	(11,228)
NET INCOME	7,758	12,393	19,465	36,029
Foreign currency translation adjustments	(650)	(471)	(2,601)	(728)
COMPREHENSIVE INCOME	$ 7,108	$ 11,922	$ 16,864	$ 35,301
NET INCOME PER SHARE
Basic	$ 0.56	$ 0.79	$ 1.36	$ 2.29
Diluted	$ 0.56	$ 0.78	$ 1.36	$ 2.25
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING
Basic	13,781	15,774	14,268	15,757
Diluted	13,812	15,963	14,350	15,980
CASH DIVIDENDS PER SHARE	$ 0.25	$ 0.25	$ 0.75	$ 0.75