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Nature of Operations (Details)	12 Months Ended
	Dec. 31, 2012 Segment Campus
Nature of Operations (Textual)
Number of campuses	100
Number of reporting segments	1

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Number of campuses.

+ References

No definition available.

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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No definition available.

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