CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2018	Jul. 31, 2017
Net sales and revenue	$ 128,757	$ 108,744	$ 249,577	$ 221,887
Cost of sales	119,358	97,963	229,327	198,617
Gross profit	9,399	10,781	20,250	23,270
Selling, general and administrative expenses	(6,110)	(4,779)	(10,663)	(10,181)
Equity in income of unconsolidated affiliates	874	137	1,571	837
Interest and other income	696	334	1,350	549
Income before income taxes	4,859	6,473	12,508	14,475
Benefit (provision) for income taxes	5,631	(2,302)	8,334	(4,692)
Net income	10,490	4,171	20,842	9,783
Net income attributable to noncontrolling interests	(1,273)	(1,230)	(2,129)	(2,298)
Net income attributable to REX common shareholders	$ 9,217	$ 2,941	$ 18,713	$ 7,485
Weighted average shares outstanding – basic and diluted (in Shares)	6,466	6,593	6,517	6,592
Basic and diluted net income per share attributable to REX common shareholders (in Dollars per share)	$ 1.43	$ 0.45	$ 2.87	$ 1.14