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Accrued Liabilities (Tables) | 12 Months Ended
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Aug. 28, 2010
Accrued Liabilities [Abstract] |
Schedule of current and long-term accrued liabilities | Accrued liabilities in the accompanying Consolidated Balance Sheet consists of the following (in thousands):
|  | August 27, 2011 |  |  | August 28, 2010 |
Current liabilities: |  |  |  |  |  |
Payroll and benefit related |  | $ | 28,362 |  |  | $ | 28,809 |
Insurance related |  |  | 32,836 |  |  |  | 29,134 |
Environmental related |  |  | 4,174 |  |  |  | 3,888 |
Other |  |  | 11,258 |  |  |  | 13,074 |
|  | $ | 76,630 |  |  | $ | 74,905 |
Long-term liabilities: |  |  |  |  |  |  |  |
Benefit related |  | $ | 16,016 |  |  | $ | 15,192 |
Environmental related |  |  | 14,194 |  |  |  | 15,098 |
Asset retirement obligations |  |  | 9,488 |  |  |  | 8,899 |
|  | $ | 39,698 |  |  | $ | 39,189 |
Total accrued liabilities |  | $ | 116,328 |  |  | $ | 114,094 |

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