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Commitments and Contingencies (Tables) | 3 Months Ended
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Nov. 30, 2020
Commitments And Contingencies Disclosure [Abstract] |
Summary of Undiscounted Environmental Remediation Liability Classifications | The following table summarizes the undiscounted environmental remediation liability classifications included in the condensed consolidated balance sheets as of November 30, 2020, November 30, 2019, and August 31, 2020:
($ in thousands) |  | November 30, 2020 |  |  | November 30, 2019 |  |  | August 31, 2020 |
Other current liabilities |  | $ | 1,105 |  |  | $ | 1,243 |  |  | $ | 1,115 |
Other noncurrent liabilities |  |  | 15,021 |  |  |  | 14,548 |  |  |  | 15,030 |
Total environmental remediation liabilities |  | $ | 16,126 |  |  | $ | 15,791 |  |  | $ | 16,145 |

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