Stock-Based Compensation (Summary Of Stock Options) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended
Mar. 02, 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	$ 41.37
Canceled, Weighted-Average Exercise Price per Share	$ 62.43
Outstanding on March 2, 2013, Weighted-Average Exercise Price per Share	$ 57.41
Exercisable on March 2, 2013, Weighted-Average Exercise Price per Share	$ 48.62
Outstanding on March 2, 2013, Weighted-Average Remaining Contractual Term	4 years 10 months 2 days
Exercisable on March 2, 2013, Weighted-Average Remaining Contractual Term	3 years 6 months 18 days
Outstanding on March 2, 2013, Aggregate Intrinsic Value	$ 37,753
Exercisable on March 2, 2013, Aggregate Intrinsic Value	$ 18,575
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding on September 1, 2012, Options	1,377
Granted, Options	359
Exercised, Options	(384)
Canceled, Options	(4)
Outstanding on March 2, 2013, Options	1,348
Exercisable on March 2, 2013, Options	505

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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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