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Commitments And Contingencies (Tables)

3 Months Ended

Nov. 30, 2014

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		2014			2013			2014
Other current liabilities		$	1,403		$	1,516		$	1,370
Other noncurrent liabilities			6,475			5,200			5,025
Total environmental remediation liabilities		$	7,878		$	6,716		$	6,395

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