Share-based Compensation (Tables)

12 Months Ended

Aug. 25, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Weighted Average Assumptions

The fair value of each stock appreciation right is estimated on the date of grant using the Black-Scholes option pricing model with the following weighted average assumptions used:

Fiscal year ended August	2018		2017		2016
Risk-free interest rate	2.23	%	1.58	%	1.76	%
Expected dividend yield	0.18	%	0.21	%	0.25	%
Expected life in years	7.41		7.43		7.40
Expected volatility	23.1	%	24.0	%	29.3	%

Summary of Share-Based Award Activity for Stock Options and Stock Appreciation Rights

The following table summarizes the Share-Based Awards activity in the form of stock options and stock appreciation rights for fiscal 2018:

	Number of Shares		Weighted Average Exercise Price
Outstanding, August 26, 2017	600,606		$	94.98
Granted	124,089		157.13
Exercised	(109,775	)	65.40
Forfeited	(28,994	)	152.12
Outstanding, August 25, 2018	585,926		$	110.86
Exercisable, August 25, 2018	133,681		$	87.68

Summary of Share-Based Award Activity for Restricted Stock Units

The following table summarizes the Share-Based Awards activity in the form of restricted stock units for fiscal 2018:

	Number of Shares	Weighted Average Exercise Price
Unvested balance at August 26, 2017	—	$	—
Granted	11,720	168.27
Vested	—	—
Forfeited	—	—
Unvested balance at August 25, 2018	11,720	$	168.27