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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, 2013
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May 31, 2013
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Aug. 31, 2014
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Aug. 31, 2013
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Aug. 31, 2012
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| Quantifying Misstatement in Current Year Financial Statements [Line Items] | |||||
| Impairment charges | $ (11,200,000) | $ 170,300,000 | $ 0 | $ 158,817,000 | $ 62,464,000 |
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properly state deferred income tax balances associated with its equity compensation programs
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| Quantifying Misstatement in Current Year Financial Statements [Line Items] | |||||
| Prior period reclassification adjustment | $ 10,600,000 | ||||
| X | ||||||||||
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- Definition
Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of each individual error being corrected in the correcting adjustment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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