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Commitments and Contingencies (Tables) | 12 Months Ended
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Aug. 31, 2019
Commitments And Contingencies Disclosure [Abstract] |
Schedule of Annual Future Minimum Lease Payments | Annual minimum lease commitments for the next five fiscal years and thereafter are as follows (in thousands):
2020 |  |  | 13,560 |
2021 |  |  | 10,728 |
2022 |  |  | 7,465 |
2023 |  |  | 5,907 |
2024 |  |  | 3,528 |
Thereafter |  |  | 2,625 |
Total lease commitments |  | $ | 43,813 |
Schedule Of Changes to Environmental Liabilities | The changes to the Company’s environmental liabilities for fiscal 2019 and 2018 were as follows (in thousands):
Year ended |  | August 31, 2019 |  |  | August 25, 2018 |
Beginning balance |  | $ | 25,486 |  |  | $ | 25,419 |
Costs incurred for which reserves have been provided |  |  | (1,079 | ) |  |  | (1,016 | )
Insurance proceeds |  |  | 143 |  |  |  | 140 |
Interest accretion |  |  | 755 |  |  |  | 692 |
Changes in discount rates |  |  | 2,239 |  |  |  | (494 | )
Revisions in estimates |  |  | 174 |  |  |  | 745 |
Ending balance |  | $ | 27,718 |  |  | $ | 25,486 |
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 August 31, 2019, 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 |  | $ | 9,944 |  |  | $ | 2,186 |  |  | $ | 1,353 |  |  | $ | 1,091 |  |  | $ | 1,058 |  |  | $ | 12,032 |  |  | $ | 27,664 |
Estimated insurance proceeds |  |  | (159 | ) |  |  | (173 | ) |  |  | (159 | ) |  |  | (173 | ) |  |  | (159 | ) |  |  | (693 | ) |  |  | (1,516 | )
Net anticipated costs |  | $ | 9,785 |  |  | $ | 2,013 |  |  | $ | 1,194 |  |  | $ | 918 |  |  | $ | 899 |  |  | $ | 11,339 |  |  | $ | 26,148 |
Effect of inflation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,254 |
Effect of discounting |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (5,684 | )
Balance as of August 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 27,718 |

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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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