CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2018	Oct. 31, 2017
Net sales and revenue	$ 123,750	$ 121,164	$ 373,327	$ 343,051
Cost of sales	116,003	106,297	345,330	304,914
Gross profit	7,747	14,867	27,997	38,137
Selling, general and administrative expenses	(5,412)	(7,347)	(16,075)	(17,528)
Equity in income of unconsolidated affiliates	611	1,094	2,182	1,931
Interest and other income	809	645	2,159	1,194
Income before income taxes	3,755	9,259	16,263	23,734
Benefit for income taxes	10,014	5,735	18,348	1,043
Net income	13,769	14,994	34,611	24,777
Net income attributable to noncontrolling interests	(1,894)	(1,826)	(4,023)	(4,124)
Net income attributable to REX common shareholders	$ 11,875	$ 13,168	$ 30,588	$ 20,653
Weighted average shares outstanding – basic and diluted (in Shares)	6,388	6,597	6,473	6,594
Basic and diluted net income per share attributable to REX common shareholders (in Dollars per share)	$ 1.86	$ 2.00	$ 4.73	$ 3.13