Commitments And Contingencies (Tables)

12 Months Ended

Aug. 31, 2017

Commitments And Contingencies [Abstract]

Summary Of Undiscounted Environmental Remediation Liability Classifications

($ in thousands)	August 31,
Balance sheet location	2017		2016
Other current liabilities	$	2,095	$	722
Other noncurrent liabilities		15,937		18,255
Total environmental remediation liabilities	$	18,032	$	18,977

Schedule Of Future Minimum Lease Payments

Fiscal years	$ in thousands
2018	$	3,826
2019		3,150
2020		2,646
2021		2,599
2022		2,452
Thereafter		4,510
	$	19,183