Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2018	May 31, 2017	May 31, 2018	May 31, 2017
Income Statement [Abstract]
Revenues	$ 9,027,525	$ 8,614,090	$ 23,927,508	$ 23,982,746
Cost of goods sold	8,728,914	8,366,988	23,173,151	23,142,205
Gross profit	298,611	247,102	754,357	840,541
Marketing, general and administrative	161,578	153,498	488,459	459,831
Reserve and impairment charges (recoveries), net	(3,811)	323,901	(18,944)	414,009
Operating earnings (loss)	140,844	(230,297)	284,842	(33,299)
(Gain) loss on disposal of business	(124,050)	0	(131,755)	0
Interest Expense	49,340	39,201	130,218	117,411
Other (income) loss	(14,622)	(11,947)	(51,000)	(66,183)
Equity (income) loss from investments	(59,308)	(48,393)	(137,111)	(124,521)
Income (loss) before income taxes	289,484	(209,158)	474,490	39,994
Income tax expense (benefit)	60,338	(163,018)	(100,901)	(137,781)
Net income (loss)	229,146	(46,140)	575,391	177,775
Net income (loss) attributable to noncontrolling interests	(187)	(955)	(699)	(757)
Net income (loss) attributable to CHS Inc.	$ 229,333	$ (45,185)	$ 576,090	$ 178,532