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Note 8 - Goodwill and Other Intangible Assets (Details) - Goodwill and other intangible assets (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Aug. 31, 2013 | Aug. 25, 2012
Note 8 - Goodwill and Other Intangible Assets (Details) - Goodwill and other intangible assets [Line Items] |  |
Goodwill | $ 14,448 | $ 29
Balance | 23,326 | 456
Customer Contracts [Member] |  |
Note 8 - Goodwill and Other Intangible Assets (Details) - Goodwill and other intangible assets [Line Items] |  |
Balance | 8,146 | 402
Weighted average life in years | 15 years | 11 years 219 days
Other Intangible Assets [Member] |  |
Note 8 - Goodwill and Other Intangible Assets (Details) - Goodwill and other intangible assets [Line Items] |  |
Balance | $ 732 | $ 25
Weighted average life in years | 5 years | 13 years 292 days

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- Definition Carrying amount as of the balance sheet date, for intangible assets and goodwill acquired in a business combination. + References No definition available. + Details
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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