Fair Value Measurements (Tables)

6 Months Ended

Feb. 28, 2022

Fair Value Disclosures [Abstract]

Fair Value Measurements, Recurring and Nonrecurring

	February 28, 2022
	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	$	2,162	$	806,617	$	—	$	808,779
Foreign exchange derivatives	—		67,239		—		67,239
Deferred compensation assets	49,594		—		—		49,594
Embedded derivative asset	—		13,287		—		13,287
Segregated investments and marketable securities	124,928		—		—		124,928
Other assets	7,096		—		—		7,096
Total	$	183,780	$	887,143	$	—	$	1,070,923
Liabilities
Commodity derivatives	$	4,592	$	564,388	$	—	$	568,980
Foreign exchange derivatives	—		6,231		—		6,231
Total	$	4,592	$	570,619	$	—	$	575,211

	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