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Note 11 - Commitments and Contingencies (Tables) | 12 Months Ended
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Aug. 31, 2013
Commitments and Contingencies Disclosure [Abstract] |
Schedule Of Future Minimum Lease Payments For Rent [Table Text Block] |
2014 |  | $ | 6,613 |
2015 |  |  | 6,063 |
2016 |  |  | 5,121 |
2017 |  |  | 3,684 |
2018 |  |  | 2,014 |
Thereafter |  |  | 2,732 |
|  | $ | 26,227 |
Schedule Of Environmental Liabilities [TableTextBlock] |
Year ended |  | August 31, 2013 |  |  | August 25, 2012 |
Beginning balance |  | $ | 20,020 |  |  | $ | 18,368 |
Costs incurred for which reserves have been provided |  |  | (1,862 | ) |  |  | (1,277 | )
Insurance proceeds received |  |  | 282 |  |  |  | 209 |
Interest accretion |  |  | 542 |  |  |  | 631 |
Changes in discount rates |  |  | (1,585 | ) |  |  | 1,346 |
Revisions in estimates |  |  | 2,283 |  |  |  | 743 |
Ending balance |  | $ | 19,680 |  |  | $ | 20,020 |
Schedule Of Environmental Remediation Liabilities [Table Text Block] |
(In thousands) |  | 2014 |  |  | 2015 |  |  | 2016 |  |  | 2017 |  |  | 2018 |  |  | Thereafter |  |  | Total
Estimated costs – current dollars |  | $ | 5,317 |  |  | $ | 2,620 |  |  | $ | 1,887 |  |  | $ | 865 |  |  | $ | 797 |  |  | $ | 12,421 |  |  | $ | 23,907 |  |
Estimated insurance proceeds |  |  | (159 | ) |  |  | (173 | ) |  |  | (159 | ) |  |  | (173 | ) |  |  | (159 | ) |  |  | (1,593 | ) |  |  | (2,416 | ) |
Net anticipated costs |  | $ | 5,158 |  |  | $ | 2,447 |  |  | $ | 1,728 |  |  | $ | 692 |  |  | $ | 638 |  |  | $ | 10,828 |  |  | $ | 21,491 |  |
Effect of inflation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,055 |  |
Effect of discounting |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (8,866 | ) |
Balance as of August 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 19,680 |  |

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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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- Definition Schedule Of Future Minimum Lease Payments For Rent [Table Text Block] + References No definition available. + Details
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- Details
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