Revenue Recognition (Details 2) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
May 29, 2021
May 30, 2020
May 29, 2021
May 30, 2020
Aug. 29, 2020
Revenue from Contract with Customer [Abstract]          
Allowance for doubtful accounts $ 1.2   $ 1.2   $ 0.5
Credit loss expense (reversal), accounts receivable $ 0.6 $ 0.1 $ 0.7 $ 0.2