Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Feb. 28, 2023	Feb. 28, 2022	Feb. 28, 2023	Feb. 28, 2022
Net income (loss)	$ 292,048	$ 218,896	$ 1,074,964	$ 670,839
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract]
Pension and other postretirement benefits	(3,973)	4,581	4,551	8,349
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax	15,143	(553)	(5,064)	(9,694)
Foreign currency translation adjustment	620	5,926	(1,315)	(4,119)
Other Comprehensive Income (Loss), Net of Tax, Total	11,790	9,954	(1,828)	(5,464)
Comprehensive income (loss)	303,838	228,850	1,073,136	665,375
Less comprehensive income attributable to noncontrolling interests	(273)	(104)	45	(122)
Comprehensive Income (Loss) Attributable to CHS	$ 304,111	$ 228,954	$ 1,073,091	$ 665,497