Commitments and Contingencies (Tables)

12 Months Ended

Aug. 31, 2020

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, 2020 and 2019:

($ in thousands)	August 31,
Balance sheet location	2020		2019
Other current liabilities	$	1,115	$	1,243
Other noncurrent liabilities		15,030		14,674
Total environmental remediation liabilities	$	16,145	$	15,917