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Rate applied, at lower range, to the undiscounted amount of asset retirement obligations at an individual site to arrive at the present value recorded as of the balance sheet date.

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No definition available.

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Rate applied, at upper range, to the undiscounted amount of asset retirement obligations at an individual site to arrive at the present value recorded as of the balance sheet date.

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No definition available.

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Inflation rate applied to compute the estimated current costs related to asset retirement obligations.

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Rate applied, at upper range, to the undiscounted amount of environmental loss contingencies at an individual site to arrive at the present value recorded as of the balance sheet date.

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No definition available.

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Inflation rate applied to compute the estimated current costs related to liabilities for environmental contingencies.

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No definition available.

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The number of reporting segments operated by the Company.

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No definition available.

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This element describes the maximum years the Company will discount the liability of estimated future costs to decommission one of its facilities.

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The maximum useful life of rental merchandise assets in service.

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The minimum useful life of rental merchandise assets in service.

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The period when the equity-based award expires as specified in the award agreement, which may be presented in a variety of ways (for example, year, month and year, day, month and year, quarter of a year).

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No definition available.

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Discounted period, at lower range in years, applied to the undiscounted amount of environmental loss contingencies at an individual site to arrive at the present value recorded as of the balance sheet date.

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No definition available.

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Discounted period, at upper range in years, applied to the undiscounted amount of environmental loss contingencies at an individual site to arrive at the present value recorded as of the balance sheet date.

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Rate applied, at lower range, to the undiscounted amount of environmental loss contingencies at an individual site to arrive at the present value recorded as of the balance sheet date.

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No definition available.

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Statement of Position (SOP)

-Number 93-7

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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-Name Accounting Standards Codification

-Glossary Contingent Stock Agreement

-URI http://asc.fasb.org/extlink&oid=6508534

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Describe the conversion features of common stock if such stock is convertible. That is, shares of common stock into which another convertible security was converted, or shares of common stock into which another class of common stock was converted.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

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The calculated weighted-average useful life of all finite-lived intangible assets.

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Description of the period of time over which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, which may be expressed in a variety of ways (for example, in years, month and year).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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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 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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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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Summary of Significant Accounting Policies (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended							1 Months Ended		12 Months Ended
	Aug. 25, 2012	Aug. 27, 2011	Aug. 28, 2010	Aug. 25, 2012 Stock Options [Member]	Aug. 28, 2010 Stock Options, Non-Employee [Member]	Aug. 29, 2009 Stock Options, Non-Employee [Member]	Aug. 27, 2011 Restricted Stock Awards, Non-Employee [Member]	Apr. 05, 2010 Performance Restricted Stock Awards [Member]	Apr. 05, 2010 Restricted Stock Awards, CEO [Member]	Aug. 25, 2012 Stock Appreciation Rights (SARs) [Member]	Aug. 25, 2012 2010 Plan [Member]	Aug. 25, 2012 Share-Based Awards, Non-Employee [Member]	Aug. 27, 2011 Share-Based Awards, Non-Employee [Member]	Aug. 28, 2010 Share-Based Awards, Non-Employee [Member]	Aug. 25, 2012 Share Based Awards [Member]	Aug. 27, 2011 Share Based Awards [Member]	Aug. 28, 2010 Share Based Awards [Member]	Aug. 25, 2012 Definite-Lived Intangible Assets [Member]	Aug. 25, 2012 Customer Contracts [Member]	Aug. 25, 2012 Other Finite-Lived Intangible Assets [Member]
Business Description [Abstract]
Number of reporting segments	5
Inventories and Rental Merchandise in Service [Abstract]
Rental merchandise, useful life, minimum	6M
Rental merchandise, useful life, maximum	36M
Goodwill and Other Intangible Assets [Abstract]
Weighted average useful life (in years)																		14.2	14.6	6.2
Environmental and Other Contingencies [Abstract]
Discount rate, lower range (in hundredths)	1.70%
Contingency, Discount rate, upper range	2.80%
Discounted period, lower range (in years)	10Y
Discounted period, upper range (in years)	30Y
Inflation rate (in hundredths)	3.00%
Asset Retirement Obligations [Abstract]
Discount rate, lower range (in hundredths)	7.00%
Discount rate, upper range (in hundredths)	7.50%
Inflation rate (in hundredths)	3.00%
Range of years discount for estimated future costs to decommission its nuclear laundry facilities, minimum years (in years)	1Y
Range of years discount for estimated future costs to decommission its nuclear laundry facilities, maximum years (in years)	32Y
Advertising Costs [Abstract]
Advertising expense	$ 1,500	$ 1,700	$ 1,500
Net Income Per Share [Abstract]
Conversion basis	one-for-one basis
Share-based Compensation [Abstract]
Number of shares authorized (in shares)				1,500,000							600,000
Vesting period (in years)				5Y			1Y	4Y	6Y		5Y				5Y
Expiration from grant date (in years)				10Y	8Y	10Y				8Y	10Y	8Y	8Y	8Y	10Y
Shares granted (in shares)							6,000	350,000	50,000	8,620
Fair value of the share-based awards granted								$ 51.39	$ 51.39						$ 18.28	$ 17.59	$ 18.86
Common stock excluded from the calculation of diluted earnings per share (in shares)	0	116,487	118,800