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Equity Plans (Tables)
 9 Months Ended
May 28, 2020
Share-based Payment Arrangement [Abstract]  
Schedule of Restricted Stock Awards Activity
Quarter endedNine months ended
May 28,
2020		May 30,
2019		May 28,
2020		May 30,
2019
Restricted stock award shares granted—187
Weighted-average grant-date fair value per share$45.78  $40.00  $46.37  $39.83  
Schedule of Employee Stock Purchase Plan Valuation Assumptions
Nine months endedMay 28,
2020		May 30,
2019
Weighted-average grant-date fair value per share$14.43  $10.92  
Average expected life in years0.50.5
Weighted-average expected volatility43 %47 %
Weighted-average risk-free interest rate1.5 %2.5 %
Expected dividend yield0 %0 %
Stock-based Compensation Expense by Caption
Quarter endedNine months ended
May 28,
2020		May 30,
2019		May 28,
2020		May 30,
2019
Stock-based compensation expense by caption
Cost of goods sold$34  $24  $102  $73  
Selling, general, and administrative26  18  74  55  
Research and development22  16  63  48  
$82  $58  $239  $176  
Stock-based compensation expense by type of award
Restricted stock awards$70  $44  $197  $127  
ESPP9  8  28  24  
Stock options3  6  14  25  
$82  $58  $239  $176