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Benefit Plans Schedule of Net Benefit Costs (Tables)

9 Months Ended

May 31, 2023

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs of Assumptions Used

Components of net periodic benefit costs for the three and nine months ended May 31, 2023 and 2022, are as follows:

			Three Months Ended May 31,
			Qualified Pension Benefits												Nonqualified Pension Benefits												Other Benefits
			2023						2022						2023						2022						2023						2022
Components of net periodic benefit costs:			(Dollars in thousands)
Service cost			$	9,645					$	11,569					$	460					$	232					$	168					$	249
Interest cost			7,647						4,292						185						70						259						126
Expected return on assets			(10,782)						(10,990)						—						—						—						—
Prior service cost (credit) amortization			37						44						(29)						(29)						(111)						(111)
Actuarial loss (gain) amortization			468						5,852						61						120						(404)						(315)
Net periodic benefit cost (benefit)			$	7,015					$	10,767					$	677					$	393					$	(88)					$	(51)
			Nine Months Ended May 31,
			Qualified Pension Benefits												Nonqualified Pension Benefits												Other Benefits
			2023						2022						2023						2022						2023						2022
Components of net periodic benefit costs:			(Dollars in thousands)
Service cost			$	28,934					$	34,706					$	1,380					$	695					$	503					$	747
Interest cost			22,941						12,875						556						211						776						377
Expected return on assets			(32,347)						(32,969)						—						—						—						—
Prior service cost (credit) amortization			112						131						(86)						(86)						(334)						(334)
Actuarial loss (gain) amortization			1,404						17,555						184						359						(1,211)						(944)
Net periodic benefit cost (benefit)			$	21,044					$	32,298					$	2,034					$	1,179					$	(266)					$	(154)

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- References

No definition available.

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- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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