CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2016	Oct. 31, 2015
Net sales and revenue	$ 116,283	$ 110,584	$ 332,212	$ 329,261
Cost of sales	96,121	96,311	286,344	287,585
Gross profit	20,162	14,273	45,868	41,676
Selling, general and administrative expenses	(5,082)	(4,720)	(14,315)	(15,629)
Equity in income of unconsolidated affiliates	1,838	1,314	3,257	7,857
Gain on sale of investment			192	10,385
Gain on disposal of property and equipment, net	179	1	364	496
Interest and other income	117	199	374	524
Income before income taxes	17,214	11,067	35,740	45,309
Provision for income taxes	(5,740)	(1,634)	(11,771)	(12,726)
Net income	11,474	9,433	23,969	32,583
Net income attributable to noncontrolling interests	(2,536)	(1,977)	(4,017)	(4,833)
Net income attributable to REX common shareholders	$ 8,938	$ 7,456	$ 19,952	$ 27,750
Weighted average shares outstanding – basic and diluted (in Shares)	6,590	6,915	6,591	7,460
Basic and diluted net income per share attributable to REX common shareholders (in Dollars per share)	$ 1.36	$ 1.08	$ 3.03	$ 3.72