Associate Benefit Plans (Summary Of Stock Options By Range Of Exercise Price) (Details) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
Sep. 01, 2018 USD ($) $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of options outstanding at September 1, 2018 \| shares	1,760
Weighted average remaining contractual life of options outstanding	4 years 6 months
Weighted average exercise price of options outstanding	$ 72.96
Intrinsic Value of options outstanding \| $	$ 22,037
Number of options exercisable at September 1, 2018 \| shares	666
Weighted average remaining contractual life of options exercisable	3 years 3 months 18 days
Weighted average exercise price of options exercisable	$ 73.96
Intrinsic Value of options exercisable \| $	$ 7,673
58.90 - 69.46 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit	$ 58.90
Range of exercise prices, upper limit	$ 69.46
Number of options outstanding at September 1, 2018 \| shares	464
Weighted average remaining contractual life of options outstanding	3 years 10 months 24 days
Weighted average exercise price of options outstanding	$ 59.90
Intrinsic Value of options outstanding \| $	$ 11,869
Number of options exercisable at September 1, 2018 \| shares	213
Weighted average remaining contractual life of options exercisable	3 years 6 months
Weighted average exercise price of options exercisable	$ 61.08
Intrinsic Value of options exercisable \| $	$ 5,188
69.47 - 72.33 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit	$ 69.47
Range of exercise prices, upper limit	$ 72.23
Number of options outstanding at September 1, 2018 \| shares	460
Weighted average remaining contractual life of options outstanding	5 years 2 months 12 days
Weighted average exercise price of options outstanding	$ 71.33
Intrinsic Value of options outstanding \| $	$ 6,501
Number of options exercisable at September 1, 2018 \| shares	99
Weighted average remaining contractual life of options exercisable	5 years 2 months 12 days
Weighted average exercise price of options exercisable	$ 71.33
Intrinsic Value of options exercisable \| $	$ 1,398
72.34 - 81.76 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit	$ 72.24
Range of exercise prices, upper limit	$ 81.76
Number of options outstanding at September 1, 2018 \| shares	578
Weighted average remaining contractual life of options outstanding	5 years
Weighted average exercise price of options outstanding	$ 80.25
Intrinsic Value of options outstanding \| $	$ 3,032
Number of options exercisable at September 1, 2018 \| shares	171
Weighted average remaining contractual life of options exercisable	2 years 2 months 12 days
Weighted average exercise price of options exercisable	$ 81.75
Intrinsic Value of options exercisable \| $	$ 637
81.77 - 83.03 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit	$ 81.77
Range of exercise prices, upper limit	$ 83.03
Number of options outstanding at September 1, 2018 \| shares	258
Weighted average remaining contractual life of options outstanding	3 years 1 month 6 days
Weighted average exercise price of options outstanding	$ 83.02
Intrinsic Value of options outstanding \| $	$ 635
Number of options exercisable at September 1, 2018 \| shares	183
Weighted average remaining contractual life of options exercisable	3 years 1 month 6 days
Weighted average exercise price of options exercisable	$ 83.03
Intrinsic Value of options exercisable \| $	$ 450

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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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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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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

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