| Courseware (Tables) | 4 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Apr. 30, 2013 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Courseware Tables [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Intangible Assets | Courseware consisted of the following at April 30, 2013, December 31, 2012 and 2011: 
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| Schedule of Courseware Future Amortization Expense | Estimated future amortization expense of course curricula as of April 30, 2013 is as follows: 
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| X | ||||||||||
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- Details 
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- Definition No authoritative reference available. No definition available. 
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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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