SEGMENT REPORTING (Tables)

12 Months Ended

Jan. 31, 2018

SEGMENT REPORTING (Tables) [Line Items]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

The following tables summarize segment and other results and assets (amounts in thousands):

	Fiscal Year
	2017			2016			2015
Net sales and revenue:
Ethanol and by-products	$	452,153		$	453,799		$	436,488
Refined coal 1		433			—			—
Total net sales and revenue	$	452,586		$	453,799		$	436,488
Segment gross profit (loss):
Ethanol and by-products	$	51,509		$	71,039		$	50,834
Refined coal		(7,348	)		—			—
Total gross profit	$	44,161		$	71,039		$	50,834
Income (loss) before income taxes:
Ethanol and by-products	$	38,352		$	59,447		$	53,469
Refined coal		(10,021	)		—			—
Corporate and other		(2,938	)		(2,536	)		(1,951	)
Total income (loss) before income taxes	$	25,393		$	56,911		$	51,518
Benefit (provision) for income taxes:
Ethanol and by-products	$	3,245		$	(18,259	)	$	(14,690	)
Refined coal		15,168			—			—
Corporate and other		1,106			866			582
Total benefit (provision) for income taxes	$	19,519		$	(17,393	)	$	(14,108	)
Segment profit (loss):
Ethanol and by-products	$	35,880		$	33,950		$	32,734
Refined coal		5,628			—			—
Corporate and other		(1,802	)		(1,617	)		(1,298	)
Net income attributable to REX common shareholders	$	39,706		$	32,333		$	31,436

	Fiscal Year
	2017			2016		2015
Sales of products, ethanol and by-products segment:
Ethanol	$	359,239		$	358,349	$	333,200
Dried distillers grains		63,120			71,204		81,116
Non-food grade corn oil		21,195			18,518		15,510
Modified distillers grains		8,525			5,326		5,999
Other		74			402		663
Total sales	$	452,153		$	453,799	$	436,488
Sales of products, refined coal segment:
Refined coal	$	433		$	—	$	—
Interest income:
Ethanol and by-products	$	878		$	212	$	176
Refined coal		—			—		—
Corporate and other		678			222		205
Total interest income	$	1,556		$	434	$	381
Depreciation expense:
Ethanol and by-products	$	20,037		$	19,464	$	18,559
Refined coal		1,385			—		—
Corporate and other		40			55		79
Total depreciation expense	$	21,462		$	19,519	$	18,638
Equity in income of unconsolidated affiliates:
Ethanol and by-products	$	3,232		$	6,144	$	8,984
Refined coal		—			—		—
Corporate and other		—			—		—
Total equity in income of unconsolidated affiliates	$	3,232		$	6,144	$	8,984
(Loss) gain on sale of investment:
Ethanol and by-products	$	(13	)	$	192	$	10,385
Refined coal		—			—		—
Corporate and other		—			—		—
Total gain on sale of investment	$	(13	)	$	192	$	10,385

¹ Sales in the refined coal segment are recorded net of the cost of coal as the Company purchases the coal feedstock from the customer to which refined coal is sold.

Assets [Member]

SEGMENT REPORTING (Tables) [Line Items]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	January 31,
Assets:	2018		2017		2016
Ethanol and by-products	$	384,997	$	371,464	$	348,779
Refined coal		12,165		—		—
Corporate and other		81,702		82,560		65,906
Total assets	$	478,864	$	454,024	$	414,685
Additions to other long lived assets:
Ethanol and by-products	$	796	$	832	$	696
Refined coal		—		—		—
Corporate and other		—		—		—
Total additions to other long lived assets	$	796	$	832	$	696
Additions to property and equipment:
Ethanol and by-products	$	24,017	$	14,208	$	15,495
Refined coal		—		—		—
Corporate and other		—		—		—
Total additions to property and equipment	$	24,017	$	14,208	$	15,495