Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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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).

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Share-based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
	Oct. 27, 2014	Aug. 29, 2020	Aug. 31, 2019	Aug. 25, 2018	Oct. 30, 2010	Nov. 30, 1996
Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period awards become fully vested or exercisable		5 years
Expiration period		10 years
Weighted average fair values of Share-Based Awards granted (in dollars per share)		$ 46.58	$ 46.20	$ 47.51
Stock Appreciation Rights (SARs) \| Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage vested after each anniversary of the grant date		20.00%
Stock Appreciation Rights (SARs) \| Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage vested after each anniversary of the grant date		60.00%
Stock Appreciation Rights (SARs) \| Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage vested after each anniversary of the grant date		20.00%
Stock Appreciation Rights (SARs) \| Cliff Vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period awards become fully vested or exercisable		5 years
Share-Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total compensation cost not yet recognized related to non-vested awards		$ 13.7
Period for recognition		2 years 2 months 12 days
Time-Based Restricted Stock Units \| Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage vested after each anniversary of the grant date		20.00%
Period awards become fully vested or exercisable		5 years
Time-Based Restricted Stock Units \| Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage vested after each anniversary of the grant date		33.00%
Period awards become fully vested or exercisable		3 years
Time-Based Restricted Stock Units \| Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period awards become fully vested or exercisable		5 years
Time-Based Restricted Stock Units \| Cliff Vesting
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period awards become fully vested or exercisable		5 years
Time-Based Restricted Stock Units \| Tranche Four
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage vested after each anniversary of the grant date		60.00%
Time-Based Restricted Stock Units \| Tranche Five
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage vested after each anniversary of the grant date		20.00%
Non-Employee Directors \| Unrestricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)		0	291	234
The 1996 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved for issuance (in shares)						1,500,000
The 2010 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved for issuance (in shares)					600,000
Number of additional shares reserved for issuance (in shares)	750,000
Shares available for future grants (in shares)		311,055
The 2010 Plan \| Non-Employee Directors \| Stock Appreciation Rights (SARs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (in shares)		5,000	5,000	5,000