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Income Taxes (Details)
3 Months Ended 12 Months Ended
Nov. 18, 2020
USD ($)
Aug. 25, 2021
USD ($)
state
Aug. 26, 2020
USD ($)
Income Taxes [Line Items]      
General business tax credits carryovers to future years   $ 12,100,000  
Tax credit carryforward utilization period   20 years  
Federal taxable income   $ 3,400,000 $ 19,300,000
Number of states which the company has income tax filing requirements (more than) | state   30  
Federal income tax liability $ 58,000 $ 58,000 357,000
Interest associated with unrecognized benefits   0  
Federal Income Tax Authority      
Income Taxes [Line Items]      
Payments of federal income taxes   0 0
State Income Tax Authority      
Income Taxes [Line Items]      
Federal income tax liability   $ 300,000 $ 400,000