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Fair Value (Details)
6 Months Ended
Feb. 26, 2022
USD ($)
Feb. 27, 2021
USD ($)
Aug. 28, 2021
USD ($)
ft²
Dec. 31, 2020
ft²
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Fair value remeasurement of non-financial assets on non-recurring basis $ 0 $ 0    
Fair value remeasurement of non-financial liabilities on non-recurring basis 0 $ 0    
Property, plant and equipment, net 300,232,000   $ 298,416,000  
Building and Building Improvements [Member]        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Property, plant and equipment, net 11,600,000      
Land [Member]        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Property, plant and equipment, net $ 3,700,000      
Long Island Customer Service Center [Member]        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Term of lease 10 years      
Area of property | ft²     170,000 26,000
Property, plant and equipment, net $ 15,300,000