Consolidated Statements of Operations (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 28, 2014	Feb. 28, 2013
Income Statement [Abstract]
Revenues	$ 9,680,274	$ 9,882,378	$ 20,706,395	$ 21,592,316
Cost of goods sold	9,238,840	9,411,731	19,864,045	20,576,151
Gross profit	441,434	470,647	842,350	1,016,165
Marketing, general and administrative	155,771	134,680	288,912	259,162
Operating earnings	285,663	335,967	553,438	757,003
Loss (gain) on investments	(2,609)	(45)	(2,609)	(45)
Interest, net	28,989	53,385	59,774	120,595
Equity income from investments	(31,049)	(16,760)	(63,727)	(44,832)
Income before income taxes	290,332	299,387	560,000	681,285
Income taxes	29,711	23,869	56,351	59,886
Net income	260,621	275,518	503,649	621,399
Net income attributable to noncontrolling interests	552	432	1,394	2,606
Net income attributable to CHS Inc.	$ 260,069	$ 275,086	$ 502,255	$ 618,793