Share-based Compensation (Tables)

12 Months Ended

Aug. 26, 2017

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

Schedule of Weighted Average Assumptions

The fair value of each Share-Based Award 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	2017		2016		2015
Risk-free interest rate	1.58	%	1.76	%	1.92	%
Expected dividend yield	0.21	%	0.25	%	0.27	%
Expected life in years	7.43		7.40		7.44
Expected volatility	24.0	%	29.3	%	32.2	%

Summary of Share-based Award Activity

The following table summarizes the Share-Based Award activity for fiscal 2017:

	Number of Shares		Weighted Average Exercise Price
Outstanding, August 27, 2016	610,691		$	83.17
Granted	100,340		119.83
Exercised	(102,225	)	50.33
Forfeited	(8,200	)	76.14
Outstanding, August 26, 2017	600,606		$	94.98
Exercisable, August 26, 2017	116,456		$	72.13