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Benefit Plans Schedule of Net Benefit Costs (Tables)

3 Months Ended

Nov. 30, 2020

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs of Assumptions Used

Components of net periodic benefit costs for the three months ended November 30, 2020 and 2019, are as follows:

			Three Months Ended November 30,
			Qualified Pension Benefits												Nonqualified Pension Benefits												Other Benefits
			2020						2019						2020						2019						2020						2019
Components of net periodic benefit costs:			(Dollars in thousands)
Service cost			$	11,307					$	10,538					$	108					$	101					$	297					$	262
Interest cost			4,141						5,431						68						107						123						187
Expected return on assets			(10,910)						(11,671)						—						—						—						—
Prior service cost (credit) amortization			45						45						(28)						(28)						(111)						(111)
Actuarial loss (gain) amortization			5,447						5,396						53						25						(341)						(348)
Net periodic benefit cost (benefit)			$	10,030					$	9,739					$	201					$	205					$	(32)					$	(10)

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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 http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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