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Commitments And Contingencies (Tables) | 9 Months Ended
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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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