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Derivatives, Investments, and Fair Value Measurements - Fair Value Inputs (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands | Aug. 28, 2021 | Aug. 29, 2020
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Domestic equity funds | $ 940 | $ 626
International equity funds | 41 | 34
Fixed income funds | 46 | 50
Total assets at fair value | 1,027 | 710
Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Domestic equity funds | 940 | 626
International equity funds | 41 | 34
Fixed income funds | 46 | 50
Total assets at fair value | 1,027 | 710
Level 2 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Domestic equity funds | 0 | 0
International equity funds | 0 | 0
Fixed income funds | 0 | 0
Total assets at fair value | 0 | 0
Level 3 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Domestic equity funds | 0 | 0
International equity funds | 0 | 0
Fixed income funds | 0 | 0
Total assets at fair value | $ 0 | $ 0

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