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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