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. 02, 2017 USD ($) $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Number of options outstanding at September 2, 2017 \| shares	1,743
Weighted average remaining contractual life of options outstanding	4 years 8 months 12 days
Weighted average exercise price of options outstanding	$ 70.88
Intrinsic Value of options outstanding \| $	$ 5,296
Number of options exercisable at September 2, 2017 \| shares	585
Weighted average remaining contractual life of options exercisable	3 years 3 months 18 days
Weighted average exercise price of options exercisable	$ 74.23
Intrinsic Value of options exercisable \| $	$ 1,111
58.90 - 66.69 [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	$ 66.69
Number of options outstanding at September 2, 2017 \| shares	554
Weighted average remaining contractual life of options outstanding	4 years 9 months 18 days
Weighted average exercise price of options outstanding	$ 59.61
Intrinsic Value of options outstanding \| $	$ 5,296
Number of options exercisable at September 2, 2017 \| shares	147
Weighted average remaining contractual life of options exercisable	3 years 9 months 18 days
Weighted average exercise price of options exercisable	$ 61.58
Intrinsic Value of options exercisable \| $	$ 1,111
66.70 - 71.33 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit	$ 66.70
Range of exercise prices, upper limit	$ 71.33
Number of options outstanding at September 2, 2017 \| shares	650
Weighted average remaining contractual life of options outstanding	5 years 4 months 24 days
Weighted average exercise price of options outstanding	$ 70.96
Number of options exercisable at September 2, 2017 \| shares	128
Weighted average remaining contractual life of options exercisable	2 years 1 month 6 days
Weighted average exercise price of options exercisable	$ 69.46
71.34 - 81.76 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of exercise prices, lower limit	71.34
Range of exercise prices, upper limit	$ 81.76
Number of options outstanding at September 2, 2017 \| shares	236
Weighted average remaining contractual life of options outstanding	3 years 1 month 6 days
Weighted average exercise price of options outstanding	$ 81.57
Number of options exercisable at September 2, 2017 \| shares	171
Weighted average remaining contractual life of options exercisable	3 years 1 month 6 days
Weighted average exercise price of options exercisable	$ 81.51
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 2, 2017 \| shares	303
Weighted average remaining contractual life of options outstanding	4 years 1 month 6 days
Weighted average exercise price of options outstanding	$ 83.02
Number of options exercisable at September 2, 2017 \| shares	139
Weighted average remaining contractual life of options exercisable	4 years 1 month 6 days
Weighted average exercise price of options exercisable	$ 83.03

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(iii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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