Defined Benefit Plan, Investment Redemption Notice, Period

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- Definition

Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level.

+ References

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- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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- Definition

Amount of benefit for defined benefit plan expected to be paid in next fiscal year following current fiscal year.

+ References

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- Definition

Assumed rate, for next fiscal year, based on annual change in cost of health care cost benefits used to measure expected cost of benefits covered by defined benefit postretirement plan. Factors include, but are not limited to, estimate of health care inflation, change in health care utilization or delivery pattern, technological advances, and change in health status of participant. Excludes factors for change in composition of plan population by age and dependency status.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
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- Definition

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 715
-SubTopic 20
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-Section 55
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- Definition

Ultimate trend rate for health care cost for defined benefit postretirement plan.

+ References

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-Topic 715
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of cost for defined contribution plan.

+ References

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-Topic 715
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Benefit Plans - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2026	Aug. 31, 2025	Aug. 31, 2024
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined benefit plan, health care benefits annual rate of increase in the per capita cost (as a percent)	8.50%
Defined benefit plan, health care benefits, decrease in the per capita cost trend rate (as a percent)	4.50%
Company contributions	$ 40,000
Expected future payments to participants during the next fiscal year	7,000
Contributions made under defined contribution plan	$ 37,000	$ 47,100	$ 43,500
Minimum \| Fixed income securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation of plan assets (as a percent)	45.00%
Minimum \| Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation of plan assets (as a percent)	20.00%
Minimum \| Common/collective trust at net asset value
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Investment redemption notice period	45 days
Minimum \| Partnership and joint venture interests measured at net asset value
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Investment redemption notice period	45 days
Maximum \| Fixed income securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation of plan assets (as a percent)	80.00%
Maximum \| Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Target allocation of plan assets (as a percent)	55.00%
Maximum \| Common/collective trust at net asset value
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Investment redemption notice period	60 days
Maximum \| Partnership and joint venture interests measured at net asset value
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Investment redemption notice period	60 days
Other Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Company contributions	$ 1,551	1,624
Expected future payments to participants during the next fiscal year	1,700
Qualified Pension Benefits \| Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Accumulated benefit obligation	708,600	748,100
Company contributions	40,000	30,000
Expected future payments to participants during the next fiscal year	77,300
Nonqualified Pension Benefits \| Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Accumulated benefit obligation	32,700	31,300
Company contributions	1,999	$ 1,829
Expected future payments to participants during the next fiscal year	$ 5,290