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Note 11 - Commitments and Contingencies (Tables) | 6 Months Ended
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Feb. 25, 2017
Notes Tables |
Schedule of Environmental Liabilities [Table Text Block] |
|  | February 25, 2017 |
Beginning balance as of August 27, 2016 |  | $ | 26,748 |
Costs incurred for which reserves had been provided |  |  | (1,020 | )
Insurance proceeds |  |  | 69 |
Interest accretion |  |  | 300 |
Change in discount rates |  |  | (1,434 | )
Balance as of February 25, 2017 |  | $ | 24,663 |
Schedule of Environmental Remediation Liabilities [Table Text Block] |
(In thousands) |  | 201 7 |  |  | 201 8 |  |  | 201 9 |  |  | 20 20 |  |  | 202 1 |  |  | Thereafter |  |  | Total |
Estimated costs – current dollars |  | $ | 8,653 |  |  | $ | 1,859 |  |  | $ | 1,492 |  |  | $ | 1,284 |  |  | $ | 1,172 |  |  | $ | 12,392 |  |  | $ | 26,852 |
Estimated insurance proceeds |  |  | (104 | ) |  |  | (159 | ) |  |  | (173 | ) |  |  | (159 | ) |  |  | (173 | ) |  |  | (1,130 | ) |  |  | (1,898 | )
Net anticipated costs |  | $ | 8,549 |  |  | $ | 1,700 |  |  | $ | 1,319 |  |  | $ | 1,125 |  |  | $ | 999 |  |  | $ | 11,262 |  |  | $ | 24,954 |
Effect of inflation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,556 |
Effect of discounting |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (7,847 | )
Balance as of February 25, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 24,663 |

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- Definition Tabular disclosure of the components of the environmental liabilities as of period end. + References No definition available. + Details
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- Definition Tabular disclosure of environmental remediation costs less estimated insurance proceeds including the effects of inflation and discounting the costs to present value. + References No definition available. + Details
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