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Commitments And Contingencies (Tables)

3 Months Ended

Nov. 30, 2015

Commitments And Contingencies [Abstract]

Summary Of Undiscounted Environmental Remediation Liability Classifications

Environmental Remediation Liabilities
($ in thousands)		November 30,			November 30,			August 31,
Balance Sheet Classification		2015			2014			2015
Other current liabilities		$	1,343		$	1,403		$	1,431
Other noncurrent liabilities			6,100			6,475			6,100
Total environmental remediation liabilities		$	7,443		$	7,878		$	7,531

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