Fair Value Measurements (Tables)

3 Months Ended

Nov. 30, 2021

Fair Value Disclosures [Abstract]

Fair Value Measurements, Recurring and Nonrecurring

	November 30, 2021
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
	(Dollars in thousands)
Assets
Commodity derivatives	$	2,841	$	449,528	$	—	$	452,369
Foreign exchange derivatives	—		8,483		—		8,483
Deferred compensation assets	51,113		—		—		51,113
Embedded derivative asset	—		13,034		—		13,034
Segregated investments and marketable securities	96,447		—		—		96,447
Other assets	6,616		—		—		6,616
Total	$	157,017	$	471,045	$	—	$	628,062
Liabilities
Commodity derivatives	$	3,860	$	293,605	$	—	$	297,465
Foreign exchange derivatives	—		27,463		—		27,463
Total	$	3,860	$	321,068	$	—	$	324,928

	August 31, 2021
	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total
	(Dollars in thousands)
Assets
Commodity derivatives	$	2,453	$	542,253	$	—	$	544,706
Foreign exchange derivatives	—		19,429		—		19,429
Deferred compensation assets	51,940		—		—		51,940
Embedded derivative asset	—		16,488		—		16,488
Segregated investments and marketable securities	99,837		—		—		99,837
Other assets	6,052		—		—		6,052
Total	$	160,282	$	578,170	$	—	$	738,452
Liabilities
Commodity derivatives	$	1,615	$	444,247	$	—	$	445,862
Foreign exchange derivatives	—		8,506		—		8,506
Total	$	1,615	$	452,753	$	—	$	454,368