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Benefit Plans Schedule of Net Benefit Costs (Tables)

6 Months Ended

Feb. 29, 2020

Retirement Benefits [Abstract]

Schedule of Net Benefit Costs of Assumptions Used

Components of net periodic benefit costs for the three and six months ended February 29, 2020, and February 28, 2019, are as follows:

	Three Months Ended
	Qualified Pension Benefits								Nonqualified Pension Benefits								Other Benefits
	February 29, 2020				February 28, 2019				February 29, 2020				February 28, 2019				February 29, 2020				February 28, 2019
Components of net periodic benefit costs:	(Dollars in thousands)
Service cost	$	10,538			$	9,648			$	101			$	78			$	262			$	263
Interest cost	5,431				7,099				107				187				187				274
Expected return on assets	(11,671		)		(11,242		)		—				—				—				—
Prior service cost (credit) amortization	45				42				(28		)		(19		)		(111		)		(139		)
Actuarial loss (gain) amortization	5,396				3,087				25				1				(348		)		(407		)
Settlement loss	—				169				—				—				—				—
Net periodic benefit cost	$	9,739			$	8,803			$	205			$	247			$	(10	)		$	(9	)
	Six Months Ended
	Qualified Pension Benefits								Nonqualified Pension Benefits								Other Benefits
	February 29, 2020				February 28, 2019				February 29, 2020				February 28, 2019				February 29, 2020				February 28, 2019
Components of net periodic benefit costs:	(Dollars in thousands)
Service cost	$	21,076			$	19,296			$	203			$	155			$	525			$	527
Interest cost	10,861				14,198				214				374				374				547
Expected return on assets	(23,342		)		(22,484		)		—				—				—				—
Prior service cost (credit) amortization	89				85				(57		)		(37		)		(223		)		(278		)
Actuarial loss (gain) amortization	10,791				6,174				49				1				(696		)		(814		)
Settlement loss	—				169				—				—				—				—
Net periodic benefit cost	$	19,475			$	17,438			$	409			$	493			$	(20	)		$	(18	)

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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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