Basis of Presentation (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	1 Months Ended
	Oct. 31, 2009	Dec. 31, 2013 Education_Systems	Oct. 31, 2013 Students	Jun. 30, 2013	Dec. 31, 2012
DESCRIPTION OF BUSINESS AND CHANGE IN OWNERSHIP [Abstract]
Number of students			125,560
Online platforms		3
Number of education systems		4
Common Stock, Shares, Issued	23.0
Common stock, par value	$ 0.01	$ 0.01		$ 0.01	$ 0.01
Price Per Share	$ 18.00