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Goodwill And Other Intangible Assets - Schedule Of Changes In Carrying Amount Of Goodwill (Detail) (USD $)
In Thousands, unless otherwise specified
9 Months Ended 6 Months Ended 9 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2012
CTU [Member]
Dec. 31, 2011
CTU [Member]
Sep. 30, 2012
AIU [Member]
Dec. 31, 2011
AIU [Member]
Jun. 30, 2012
Health Education [Member]
Sep. 30, 2012
Health Education [Member]
Jun. 30, 2012
Art & Design [Member]
Sep. 30, 2012
Art & Design [Member]
Sep. 30, 2012
International [Member]
Goodwill [Line Items]                    
Goodwill balance as of December 31, 2011 $ 212,626 $ 45,938 $ 45,938 $ 41,418 $ 41,418 $ 41,871 $ 41,871 $ 41,479 $ 41,479 $ 41,920
Goodwill impairment (83,350)         (41,871) (41,871) (41,479) (41,479)  
Effect of foreign currency exchange rate changes (310)                 (310)
Acquisition of Luxury Attitude 2,896                 2,896
Goodwill balance as of September 30, 2012 $ 131,862 $ 45,938 $ 45,938 $ 41,418 $ 41,418         $ 44,506