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Commitments And Contingencies (Tables)

9 Months Ended

May 31, 2013

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		2013			2012			2012
Other current liabilities		$	2,050		$	2,559		$	2,414
Other noncurrent liabilities			5,200			5,200			5,200
Total environmental remediation liabilities		$	7,250		$	7,759		$	7,614

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