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Note 1 - Summary of Significant Accounting Policies (Details) (USD $) | 12 Months Ended |  | 0 Months Ended |
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Aug. 30, 2014 | Aug. 31, 2013 | Aug. 25, 2012 | Aug. 30, 2014 Customer Contracts [Member] | Aug. 30, 2014 Other Intangible Assets [Member] | Aug. 29, 2009 Non-Employee Director Share-Based Award Grants Prior to Fiscal 2009 [Member] | Aug. 30, 2014 Non-Employee Director Share-Based Award Grants Beginning Fiscal 2009 [Member] | Aug. 30, 2014 Certain Share-Based Awards Granted During Fiscal 2014, 2013 and 2012 to Non-Employee Directors[Member] | Nov. 30, 1996 The 1996 Plan [Member] | Oct. 27, 2014 The 2010 Plan [Member] | Oct. 31, 2010 The 2010 Plan [Member]
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of Reportable Segments | 5 |  |  |  |  |  |  |  |  |  |
Rental Merchandise Useful Life, Minimum | 6 months |  |  |  |  |  |  |  |  |  |
Rental Merchandise Useful Life, Maximum | 36 months |  |  |  |  |  |  |  |  |  |
Goodwill, Impairment Loss (in Dollars) | $ 0 | $ 0 | $ 0 |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life | 14 years 219 days |  |  | 14 years 328 days | 4 years 6 months |  |  |  |  |  |
Site Contingency Discount Rate, Lower Range | 2.40% |  |  |  |  |  |  |  |  |  |
Contingency Discount Rate, Upper Range | 3.10% |  |  |  |  |  |  |  |  |  |
Site Contingency Discounted Period, Lower Range | 10 years |  |  |  |  |  |  |  |  |  |
Site Contingency Discounted Period, Upper Range | 30 years |  |  |  |  |  |  |  |  |  |
Environmental Contingencies Inflation Rate | 3.00% |  |  |  |  |  |  |  |  |  |
Range of Years Discount for Estimated Future Costs to Decommission Its Nuclear Laundry Facilities, Minimum Years | 7 years |  |  |  |  |  |  |  |  |  |
Range of Years Discount for Estimated Future Costs to Decommission Its Nuclear Laundry Facilities Maximum Years | 30 years |  |  |  |  |  |  |  |  |  |
Estimated Impact Of Inflation Per Year | 3.00% |  |  |  |  |  |  |  |  |  |
Credit Adjusted Risk Free Rates Minimum Rate | 7.00% |  |  |  |  |  |  |  |  |  |
Credit Adjusted Risk Free Rates Maximum Rate | 7.50% |  |  |  |  |  |  |  |  |  |
Undistributed Earnings of Foreign Subsidiaries (in Dollars) | 111,800,000 |  |  |  |  |  |  |  |  |  |
Advertising Expense (in Dollars) | $ 1,500,000 | $ 1,200,000 | $ 1,500,000 |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares) |  |  |  |  |  |  |  |  | 1,500,000 |  | 600,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in Shares) |  |  |  |  |  |  |  |  |  | 750,000 |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 5 years |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period | 10 years |  |  |  |  | 10 years | 8 years | 8 years |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share) | $ 39.08 | $ 25.09 | $ 18.28 |  |  |  |  |  |  |  |
Common Stock, Conversion Basis | one-for-one |  |  |  |  |  |  |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) | 185 | 152 |  |  |  |  |  |  |  |  |

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- Definition This element describes the maximum years the Company will discount the liability of estimated future costs to decommission one of its facilities. + References No definition available. + Details
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