Commitments And Contingencies (Tables)

9 Months Ended

May. 31, 2015

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	2015		2014		2014
Other current liabilities	$	1,119	$	1,444	$	1,370
Other noncurrent liabilities		6,475		5,025		5,025
Total environmental remediation liabilities	$	7,594	$	6,469	$	6,395