Commitments and Contingencies (Tables)

9 Months Ended

May 31, 2019

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 May 31, 2019, May 31, 2018, and August 31, 2018:

($ in thousands)	May 31, 2019		May 31, 2018		August 31, 2018
Other current liabilities	$	1,243	$	1,281	$	1,264
Other noncurrent liabilities		14,871		15,513		15,319
Total environmental remediation liabilities	$	16,114	$	16,794	$	16,583