Goodwill and Other Intangible Assets - Schedule of Changes in Carrying Amount of Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013
Goodwill [Line Items]
Goodwill, beginning balance	$ 170,706		$ 87,356
Goodwill impairment	(83,350)	(168,700)
Goodwill ending balance	87,356	170,706	87,356
CTU [Member]
Goodwill [Line Items]
Goodwill, beginning balance	45,938		45,938
Goodwill impairment
Goodwill ending balance	45,938		45,938
AIU [Member]
Goodwill [Line Items]
Goodwill, beginning balance	41,418		41,418
Goodwill impairment
Goodwill ending balance	41,418		41,418
Health Education [Member]
Goodwill [Line Items]
Goodwill, beginning balance	41,293
Goodwill impairment	(41,293)
Goodwill ending balance
Culinary Arts [Member]
Goodwill [Line Items]
Goodwill, beginning balance
Goodwill impairment
Goodwill ending balance
Design & Technology [Member]
Goodwill [Line Items]
Goodwill, beginning balance	40,752
Goodwill impairment	(40,752)
Goodwill ending balance
Transitional Schools [Member]
Goodwill [Line Items]
Goodwill, beginning balance	1,305
Goodwill impairment	(1,305)
Goodwill ending balance