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Note 3 - Business Acquisitions (Details Textual) $ in Thousands |  | 6 Months Ended
--- | --- | ---
Sep. 19, 2016 USD ($) | Feb. 25, 2017 USD ($)
Number of Businesses Acquired |  | 3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net |  | $ 119,100
Arrow Uniform [Member] |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net | $ 118,300 |
Business Combination, Contingent Consideration, Asset, Current | $ 1,500 |
Number of Locations | 12 |
Entity Number of Employees | 700 |
Number of States in which Entity Operates | 5 |
Payments to Acquire Businesses, Gross | $ 119,900 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables | $ 7,365 |
Arrow Uniform [Member] | Prepaid Expenses and Other Current Assets [Member] |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables |  | $ 1,600

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