Share-Based Payments (Tables)

12 Months Ended

Aug. 25, 2012

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

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 25, 2012			August 27, 2011			August 28, 2010
Expected price volatility		28	%		31	%		31	%
Risk-free interest rates		0.7	%		1.0	%		1.8	%
Weighted average expected lives (in years)		5.4			4.3			4.3
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 25, 2012:


	Number of Shares			Weighted Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value (in thousands)
Outstanding – August 27, 2011		2,630,194		$	132.32
Granted		407,130			330.12
Exercised		(712,524	)		107.84
Canceled		(62,121	)		227.53

Outstanding – August 25, 2012		2,262,679			173.01		6.40	$	435,062

Exercisable		1,236,652			120.55		5.03		302,402

Expected to vest		1,026,027			236.25		8.05		118,969

Available for future grants		2,420,546

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

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