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Quarterly Financial Data - Additional Information (Detail) (USD $)
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3 Months Ended | 12 Months Ended | |
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Aug. 31, 2012
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May 31, 2011
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Aug. 31, 2012
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| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | |||
| Impairment charge | $ 62,464,000 | $ 62,464,000 | |
| Discontinued Operations, income (loss) | $ 4,100,000 | $ (1,100,000) | |
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- Definition
The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of operating income or loss attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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