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Commitments And Contingencies (Tables)

6 Months Ended

Feb. 28, 2015

Commitments And Contingencies [Abstract]

Summary Of Undiscounted Environmental Remediation Liability Classifications

Environmental Remediation Liabilities
($ in thousands)		February 28,			February 28,			August 31,
Balance Sheet Classification		2015			2014			2014
Other current liabilities		$	1,222		$	1,346		$	1,370
Other noncurrent liabilities			6,475			5,200			5,025
Total environmental remediation liabilities		$	7,697		$	6,546		$	6,395

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