DERIVATIVES (Derivatives Not Designated as Hedging Instruments) (Details) - USD ($) $ in Thousands	3 Months Ended
	Nov. 30, 2021	Nov. 30, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on commodity derivatives accounted for as cash flow hedging instruments	$ 22,254	$ 1,164
Gain (loss) on commodity derivatives accounted for as cash flow hedging instruments, to be reclassified	19,185	1,110
Commodity
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) on commodity derivatives accounted for as cash flow hedging instruments	22,200	1,200
Commodity | Cost of goods sold
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes for derivatives not designated as hedges	2,700	(5,600)
Foreign exchange
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) before income taxes for derivatives not designated as hedges	$ (8,000)	$ (1,900)