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Asset Retirement Obligations (Tables) | 12 Months Ended
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Aug. 27, 2011
Asset Retirement Obligations [Abstract] |
Reconciliation of asset retirement liabilities | A reconciliation of the Company's asset retirement liabilities is as follows (in thousands):
|  | August 27, 2011 |  |  | August 28, 2010 |
Beginning balance |  | $ | 8,899 |  |  | $ | 8,584 |
Accretion expense |  |  | 589 |  |  |  | 568 |
Revisions in estimates |  |  | - |  |  |  | (253 | )
Ending balance |  | $ | 9,488 |  |  | $ | 8,899 |

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- Definition Tabular disclosure of the carrying amount of a liability for asset retirement obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 410 -SubTopic 20 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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