Commitments And Contingencies (Tables)

9 Months Ended

May 31, 2016

Commitments And Contingencies [Abstract]

Summary Of Undiscounted Environmental Remediation Liability Classifications

Environmental Remediation Liabilities
($ in thousands)	May 31,		May 31,		August 31,
Balance Sheet Classification	2016		2015		2015
Other current liabilities	$	980	$	1,119	$	1,431
Other noncurrent liabilities		18,571		6,475		6,100
Total environmental remediation liabilities	$	19,551	$	7,594	$	7,531