Employee and Retiree Benefits - Deferred Compensation Narrative (Details) - USD ($)	12 Months Ended
Aug. 29, 2026	Aug. 30, 2025	Aug. 31, 2024
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Matching contribution amount	$ 14,400,000	$ 14,400,000	$ 15,000,000.0
Employer discretionary contribution amount	$ 0	0	0
Key Employees \| Non-Qualified Deferred Compensation Program (1981)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Vesting age	55 years
Requisite service period	5 years
Requisite service period prior to December 1992	20 years
Deferred compensation expense	$ 0	0	$ 0
Officers and Managers \| Supplemental Employee Retirement Plan (SERP)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Contractual amount of years after retirement	15 years
Officers and Key Employees \| Executive Deferred Compensation Plan 2007
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Maximum salary deferral	50.00%
Maximum cash incentive award deferral	100.00%
Deferred compensation assets	$ 2,000,000.0	$ 2,200,000

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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-Topic 710
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Carrying amount as of the balance sheet date of assets held under deferred compensation agreements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
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-Name Accounting Standards Codification
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-Publisher FASB
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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.

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Amount of cost for defined contribution plan.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 70
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
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Amount of discretionary contributions made by an employer to a defined contribution plan.

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Deferred Compensation Arrangement, Requisite Service Period

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Deferred Compensation Arrangement with Individual, Maximum Contractual Term After Retirement

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Deferred Compensation Arrangement with Individual, Maximum Salary Deferral

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Deferred Compensation Arrangement with Individual, Vesting Age

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