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Note 7 - Goodwill and Other Intangible Assets (Tables) | 12 Months Ended
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Aug. 30, 2014
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Intangible Assets and Goodwill [Table Text Block] |
Year ended |  | August 30, 2014 |  |  | Weighted Average Life in Years |  |  | August 31, 2013 |  |  | Weighted Average Life in Years |
Goodwill |  | $ | 1,404 |  |  | N/A |  |  | $ | 14,448 |  |  | N/A |
Customer contracts |  |  | 1,141 |  |  |  | 12.9 |  |  |  | 8,146 |  |  |  | 15.0 |
Other intangible assets |  |  | 179 |  |  |  | 6.7 |  |  |  | 732 |  |  |  | 5.0 |
Total intangible assets and goodwill acquired |  | $ | 2,724 |  |  |  |  |  |  | $ | 23,326 |  |  |  |  |
Schedule of Goodwill [Table Text Block] |
Balance as of August 25, 2012 |  | $ | 288,137 |
Goodwill recorded during the period |  |  | 14,448 |
Other |  |  | (222 | )
Balance as of August 31, 2013 |  | $ | 302,363 |
Goodwill recorded during the period |  |  | 1,404 |
Other |  |  | (119 | )
Balance as of August 30, 2014 |  | $ | 303,648 |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
August 30, 2014 |  |  |  |  |  |  |  |  |  |  |  |
Customer contracts |  | $ | 153,730 |  |  | $ | 113,520 |  |  | $ | 40,210 |
Other intangible assets |  |  | 28,670 |  |  |  | 27,403 |  |  |  | 1,267 |
|  | $ | 182,400 |  |  | $ | 140,923 |  |  | $ | 41,477 |
August 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |
Customer contracts |  | $ | 152,672 |  |  | $ | 105,275 |  |  | $ | 47,397 |
Other intangible assets |  |  | 28,517 |  |  |  | 26,570 |  |  |  | 1,947 |
|  | $ | 181,189 |  |  | $ | 131,845 |  |  | $ | 49,344 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] |
2015 |  | $ | 8,390 |
2016 |  |  | 7,469 |
2017 |  |  | 6,793 |
2018 |  |  | 6,272 |
2019 |  |  | 3,559 |
Thereafter |  |  | 8,994 |
|  | $ | 41,477 |

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + 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) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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- Definition Tabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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