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Associate Benefit Plans (Summary Of Non-Vested Restricted Share Award Activity) (Details) shares in Thousands	12 Months Ended
	Sep. 01, 2018 $ / shares shares
Restricted Share Awards [Member] | 2005 Omnibus Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested restricted share awards, Beginning balance, Shares | shares	160
Vested, Shares | shares	(91)
Canceled/Forfeited, Shares | shares	(6)
Non-vested restricted share awards, Ending balance, Shares | shares	63
Non-vested restricted share awards, Beginning balance, Weighted-Average Grant-Date Fair Value | $ / shares	$ 80.49
Vested, Weighted-Average Grant-Date Fair Value | $ / shares	79.23
Canceled/Forfeited, Weighted-Average Grant-Date Fair Value | $ / shares	82.43
Non-vested restricted share awards, Ending balance, Weighted-Average Grant-Date Fair Value | $ / shares	$ 81.98
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-vested restricted share awards, Beginning balance, Shares | shares	313
Granted, Shares | shares	175
Vested, Shares | shares	(81)
Canceled/Forfeited, Shares | shares	(30)
Non-vested restricted share awards, Ending balance, Shares | shares	377
Non-vested restricted share awards, Beginning balance, Weighted-Average Grant-Date Fair Value | $ / shares	$ 66.66
Granted, Weighted-Average Grant-Date Fair Value | $ / shares	81.57
Vested, Weighted-Average Grant-Date Fair Value | $ / shares	66.75
Canceled/Forfeited, Weighted-Average Grant-Date Fair Value | $ / shares	71.60
Non-vested restricted share awards, Ending balance, Weighted-Average Grant-Date Fair Value | $ / shares	$ 73.18

X

- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(3)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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X

- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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-Publisher FASB
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-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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X

- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(i)-(ii)
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X

- Definition

The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ References

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-SubTopic 10
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-Paragraph 2
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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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-Publisher FASB
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X

- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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-SubTopic 10
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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