Fair Value Measurements (Tables)

3 Months Ended

Nov. 30, 2023

Fair Value Disclosures [Abstract]

Fair Value Measurements, Recurring and Nonrecurring

	November 30, 2023
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets	(Dollars in thousands)
Commodity derivatives	$	2,624	$	215,752	$	—	$	218,376
Foreign exchange derivatives	—		24,252		—		24,252
Segregated investments and marketable securities	172,665		—		—		172,665
Other assets	51,941		—		—		51,941
Total	$	227,230	$	240,004	$	—	$	467,234
Liabilities
Commodity derivatives	$	2,320	$	279,004	$	—	$	281,324
Foreign exchange derivatives	—		11,671		—		11,671
Total	$	2,320	$	290,675	$	—	$	292,995

	August 31, 2023
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
Assets	(Dollars in thousands)
Commodity derivatives	$	5,344	$	283,491	$	—	$	288,835
Foreign exchange derivatives	—		32,402		—		32,402
Segregated investments and marketable securities	225,715		—		—		225,715
Other assets	89,592		—		—		89,592
Total	$	320,651	$	315,893	$	—	$	636,544
Liabilities
Commodity derivatives	$	7,501	$	346,975	$	—	$	354,476
Foreign exchange derivatives	—		13,799		—		13,799
Total	$	7,501	$	360,774	$	—	$	368,275