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Commitments and Contingencies (Tables) | 12 Months Ended
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Aug. 31, 2021
Commitments And Contingencies Disclosure [Abstract] |
Summary of Environmental Remediation Liability Classifications | The following table summarizes the environmental remediation liability classifications included in the balance sheet as of August 31, 2021 and 2020, respectively:
($ in thousands) |  | August 31, |
Balance sheet location |  | 2021 |  |  | 2020 |
Other current liabilities |  | $ | 965 |  |  | $ | 1,115 |
Other noncurrent liabilities |  |  | 15,128 |  |  |  | 15,030 |
Total environmental remediation liabilities |  | $ | 16,093 |  |  | $ | 16,145 |

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