Share-Based Payments (Tables)

3 Months Ended

Nov. 21, 2020

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 twelve week periods ended November 21, 2020 and November 23, 2019, using the Black-Scholes-Merton multiple-option pricing valuation model, was $299.48 and $252.39 per share, respectively, using the following weighted average key assumptions:

	Twelve Weeks Ended
	November 21,		November 23,
	2020		2019
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 twelve weeks ended November 21, 2020 were as follows:

		Weighted-
	Number	Average Grant
	of Shares	Date Fair Value
Nonvested at August 29, 2020	14,160	$	910.63
Granted	6,328		1,139.99
Vested	(4,069)		888.78
Canceled or forfeited	(20)		962.49
Nonvested at November 21, 2020	16,399	$	1,004.49