Share-Based Payments (Tables)

12 Months Ended

Aug. 29, 2020

Share-Based Payments

Weighted Average for Key Assumptions Used in Determining Fair Value of Options Granted and Related Share-Based Compensation Expense

The following table presents the weighted average for key assumptions used in determining the fair value of options granted and the related share-based compensation expense:

	Year Ended
	August 29,		August 31,		August 25,
	2020		2019		2018
Expected price volatility	22	%	21	%	20	%
Risk-free interest rate	1.4	%	3.0	%	1.9	%
Weighted average expected lives (in years)	5.5		5.6		5.1
Forfeiture rate	10	%	10	%	10	%
Dividend yield	0	%	0	%	0	%

Stock Option Activity

The Company generally issues new shares when options are exercised. The following table summarizes information about stock option activity for the year ended August 29, 2020:

				Weighted
				Average
				Remaining	Aggregate
		Weighted		Contractual	Intrinsic
	Number	Average		Term	Value
	of Shares	Exercise Price		(in years)	(in thousands)
Outstanding – August 31, 2019	1,349,311	$	601.36
Granted	188,824		1,061.57
Exercised	(146,705)		472.37
Cancelled	(6,444)		735.42
Outstanding – August 29, 2020	1,384,986		677.15	5.82	$	709,085
Exercisable	882,668		587.27	4.65		531,234
Expected to vest	452,086		835.08	7.88		160,066
Available for future grants	348,293

Schedule of Nonvested Restricted Stock Units Activity

Transactions related to restricted stock units for the fiscal year ended August 29, 2020 are as follows:

		Weighted-
	Number	Average Grant
	of Shares	Date Fair Value
Nonvested at August 31, 2019	10,049	$	773.61
Granted	8,735		1,086.61
Vested	(4,183)		945.58
Canceled or forfeited	(441)		942.76
Nonvested at August 29, 2020	14,160	$	910.63