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Intangible Assets And Goodwill (Range Of Remaining Estimated Useful Lives And Weighted-Average Amortization) (Details) | 12 Months Ended
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Aug. 31, 2014
License Rights [Member] |
Finite-Lived Intangible Assets [Line Items] |
Range of Remaining Estimated Useful Lives | 12 years
Weighted Average Original Amortization Period | 30 years
Curriculum [Member] |
Finite-Lived Intangible Assets [Line Items] |
Weighted Average Original Amortization Period | 26 years
Customer Lists [Member] |
Finite-Lived Intangible Assets [Line Items] |
Weighted Average Original Amortization Period | 14 years
Internally Developed Software [Member] |
Finite-Lived Intangible Assets [Line Items] |
Range of Remaining Estimated Useful Lives | 2 years
Weighted Average Original Amortization Period | 3 years
Trade Names [Member] |
Finite-Lived Intangible Assets [Line Items] |
Weighted Average Original Amortization Period | 5 years
Minimum [Member] | Curriculum [Member] |
Finite-Lived Intangible Assets [Line Items] |
Range of Remaining Estimated Useful Lives | 5 years
Minimum [Member] | Customer Lists [Member] |
Finite-Lived Intangible Assets [Line Items] |
Range of Remaining Estimated Useful Lives | 3 years
Minimum [Member] | Trade Names [Member] |
Finite-Lived Intangible Assets [Line Items] |
Range of Remaining Estimated Useful Lives | 3 years
Maximum [Member] | Curriculum [Member] |
Finite-Lived Intangible Assets [Line Items] |
Range of Remaining Estimated Useful Lives | 12 years
Maximum [Member] | Customer Lists [Member] |
Finite-Lived Intangible Assets [Line Items] |
Range of Remaining Estimated Useful Lives | 5 years
Maximum [Member] | Trade Names [Member] |
Finite-Lived Intangible Assets [Line Items] |
Range of Remaining Estimated Useful Lives | 5 years

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- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Weighted average period before the next renewal or extension (both explicit and implicit) for intangible assets that have been renewed or extended, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetWeightedAveragePeriodBeforeNextRenewalOrExtension
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration