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Commitments and Contingencies (Summary of Undiscounted Environmental Remediation Liability Classifications) (Details) - USD ($) $ in Thousands	Feb. 28, 2023	Aug. 31, 2022	Feb. 28, 2022
Commitments and Contingencies Disclosure [Abstract]
Other current liabilities	$ 3,097	$ 4,179	$ 777
Environmental Loss Contingency, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Current	Other Liabilities, Current	Other Liabilities, Current
Other noncurrent liabilities	$ 9,975	$ 10,967	$ 15,155
Environmental Loss Contingency, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent	Other Liabilities, Noncurrent
Total environmental remediation liabilities	$ 13,072	$ 15,146	$ 15,932

X

- Definition

Undiscounted amount of the accrual for environmental loss contingencies.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
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Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

+ References

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Indicates line item in statement of financial position that includes accrual for environmental loss contingency classified as noncurrent.

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