Stock-Based Compensation (Summary Of Stock Options) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	9 Months Ended
Jun. 01, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding on September 1, 2012, Weighted-Average Exercise Price per Share	$ 49.79
Granted, Weighted-Average Exercise Price per Share	$ 69.52
Exercised, Weighted-Average Exercise Price per Share	$ 42.65
Canceled, Weighted-Average Exercise Price per Share	$ 62.43
Outstanding on June 1, 2013, Weighted-Average Exercise Price per Share	$ 58.01
Exercisable on June 1, 2013, Weighted-Average Exercise Price per Share	$ 48.65
Outstanding on June 1, 2013, Weighted-Average Remaining Contractual Term	4 years 8 months 9 days
Exercisable on June 1, 2013, Weighted-Average Remaining Contractual Term	3 years 4 months 10 days
Outstanding on June 1, 2013, Aggregate Intrinsic Value	$ 31,162
Exercisable on June 1, 2013, Aggregate Intrinsic Value	$ 14,303
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding on September 1, 2012, Options	1,377
Granted, Options	360
Exercised, Options	(469)
Canceled, Options	(4)
Outstanding on June 1, 2013, Options	1,264
Exercisable on June 1, 2013, Options	420

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Net number of share options (or share units) granted during the period.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average price at which grantees can acquire the shares reserved for issuance on stock options awarded.

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Number of share options (or share units) exercised during the current period.

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