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Employee and Retiree Benefits - Schedule of Postretirement Health Care and Deferred Compensation Benefits (Details) - USD ($) $ in Millions | Aug. 30, 2025 | Aug. 31, 2024
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Retirement Benefits [Abstract] |  |
Non-qualified deferred compensation | $ 3.9 | $ 5.2
Supplemental executive retirement plan | 0.8 | 0.9
Executive deferred compensation plan | 2.2 | 2.2
Total deferred compensation benefits | 6.9 | 8.3
Less current portion | 1.8 | 1.7
Deferred compensation benefits, net of current portion | $ 5.1 | $ 6.6

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