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Leases Supplemental Balance Sheet (Details) - USD ($)
$ in Thousands
Aug. 26, 2020
Aug. 29, 2019
Leases [Abstract]    
Operating lease right-of-use assets $ 16,756 $ 27,191
Operating lease liabilities - current 3,903 8,061
Operating lease liabilities - non-current 17,797 $ 24,360
Present value of operating lease obligations $ 21,700