Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May. 31, 2015	May. 31, 2014	May. 31, 2015	May. 31, 2014
Income Statement [Abstract]
Revenues	$ 8,740,905	$ 11,967,398	$ 26,596,101	$ 32,673,793
Cost of goods sold	8,430,249	11,460,774	25,450,359	31,324,819
Gross profit	310,656	506,624	1,145,742	1,348,974
Marketing, general and administrative	165,341	158,859	498,084	447,771
Operating earnings	145,315	347,765	647,658	901,203
Loss (gain) on investments	0	(108,792)	(5,074)	(111,401)
Interest, net	9,557	42,489	39,648	102,263
Equity (income) loss from investments	(34,750)	(25,522)	(83,548)	(89,249)
Income before income taxes	170,508	439,590	696,632	999,590
Income taxes	(7,327)	59,717	47,569	116,068
Net income	177,835	379,873	649,063	883,522
Net income (loss) attributable to noncontrolling interests	(215)	418	(504)	1,812
Net income attributable to CHS Inc.	$ 178,050	$ 379,455	$ 649,567	$ 881,710