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Consolidated Statements of Income and Comprehensive Income (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Aug. 29, 2020
Aug. 31, 2019
Aug. 25, 2018
Income Statement [Abstract]      
Amortization of net actuarial loss, tax $ 12 $ 10 $ 11
Change in fair value of interest rate swap, tax $ 22    
Change in fair value of interest rate swap, tax   $ 454 $ 840