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Commitments And Contingencies (Narrative) (Details) - USD ($)
$ in Thousands
12 Months Ended
Oct. 01, 2020
Aug. 31, 2022
Aug. 31, 2021
Aug. 31, 2020
HPE outsourcing contract, fixed charge per month $ 90      
HPE outsourcing contract, expiration date   Sep. 30, 2022    
Warehousing contract extension period   1 year    
HPE outsourcing contract, expense   $ 2,500 $ 2,100 $ 2,100
Cost of sales   60,929 51,266 53,086
Purchase commitments   2,600    
Amount of letters of credit   10    
Amount drawn on letters of credit   0 0  
Cargo And Freight [Member]        
Cost of sales   $ 1,700 $ 1,400 $ 1,300