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Note 2 - Acquisitions (Tables) | 12 Months Ended
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Aug. 31, 2013
Business Combinations [Abstract] |
Schedule of Business Acquisitions, by Acquisition [Table Text Block] |
Year ended |  | August 31, 2013 |  |  | August 25, 2012 |  | August 27, 2011
Number of businesses acquired |  |  | 7 |  |  |  | — |  |  |  |  | 9 |  |
Tangible assets acquired |  | $ | 7,494 |  |  | $ | — |  |  |  | $ | 6,189 |  |
Intangible assets and goodwill acquired |  |  | 23,326 |  |  |  | — |  |  |  |  | 26,367 |  |
Liabilities assumed |  |  | (106 | ) |  |  | — |  |  |  |  | — |  |
Acquisition of businesses |  | $ | 30,714 |  |  | $ | — |  |  |  | $ | 32,556 |  |

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- Definition Tabular disclosure of a material business combination completed during the period, including background, timing, and recognized assets and liabilities. This table does not include leveraged buyouts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1486-128463 + Details
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