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Commitments and Contingencies (Tables) | 6 Months Ended
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Feb. 29, 2020
Commitments And Contingencies Disclosure [Abstract] |
Schedule of Changes to Environmental Liabilities | The changes to the Company’s environmental liabilities for the twenty-six weeks ended February 29, 2020 were as follows (in thousands):
|  | February 29, 2020 |
Beginning balance as of August 31, 2019 |  | $ | 27,718 |
Revisions in estimates |  |  | 1,200 |
Costs incurred for which reserves have been provided |  |  | (627 | )
Insurance proceeds |  |  | 62 |
Interest accretion |  |  | 269 |
Changes in discount rates |  |  | 781 |
Balance as of February 29, 2020 |  | $ | 29,403 |
Schedule of Anticipated Payments and Insurance Proceeds of Currently Identified Environmental Remediation Liabilities | Anticipated payments and insurance proceeds of currently identified environmental remediation liabilities as of February 29, 2020, for the next five fiscal years and thereafter, as measured in current dollars, are reflected below.
(In thousands) |  | 2020 |  |  | 2021 |  |  | 2022 |  |  | 2023 |  |  | 2024 |  |  | Thereafter |  |  | Total |
Estimated costs – current dollars |  | $ | 10,518 |  |  | $ | 2,186 |  |  | $ | 1,353 |  |  | $ | 1,091 |  |  | $ | 1,058 |  |  | $ | 12,032 |  |  | $ | 28,238 |
Estimated insurance proceeds |  |  | (97 | ) |  |  | (173 | ) |  |  | (159 | ) |  |  | (173 | ) |  |  | (159 | ) |  |  | (693 | ) |  |  | (1,454 | )
Net anticipated costs |  | $ | 10,421 |  |  | $ | 2,013 |  |  | $ | 1,194 |  |  | $ | 918 |  |  | $ | 899 |  |  | $ | 11,339 |  |  | $ | 26,784 |
Effect of inflation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,522 |
Effect of discounting |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (4,903 | )
Balance as of February 29, 2020 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 29,403 |

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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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