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Share-Based Payments (Tables)
6 Months Ended
Feb. 13, 2021
Share-Based Payments  
Weighted Average for Key Assumptions Used in Determining Fair Value of Options Granted and Related Share-Based Compensation Expense

The weighted average fair value of the stock option awards granted during the twenty-four week periods ended February 13, 2021 and February 15, 2020, using the Black-Scholes-Merton multiple-option pricing valuation model, was $299.86 and $252.39 per share, respectively, using the following weighted average key assumptions:

Twenty-Four Weeks Ended

    

February 13,

    

February 15,

    

    

2021

2020

Expected price volatility

 

28

%  

22

%

Risk-free interest rate

 

0.4

%  

1.4

%

Weighted average expected lives (in years)

 

5.6

 

5.5

 

Forfeiture rate

 

10

%  

10

%

Dividend yield

 

0

%  

0

%

Schedule of Nonvested Restricted Stock Units Activity

Transactions related to restricted stock units for the twenty-four weeks ended February 13, 2021 were as follows:

Weighted-

    

Number

    

Average Grant

of Shares

Date Fair Value

Nonvested at August 29, 2020

 

14,160

$

910.63

Granted

 

8,064

1,149.77

Vested

 

(5,805)

 

977.48

Canceled or forfeited

 

(78)

 

1,008.34

Nonvested at February 13, 2021

 

16,341

$

1,003.98