Intangible Assets - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2013
Intangible Assets [Line Items]
Amortization Expenses For Amortized Intangible Assets	$ 1,700,000	$ 2,400,000	$ 3,300,000	$ 4,700,000
Percentage of estimated fair values exceeded carrying values			58.00%		41.00%
Increase in indefinite-lived intangible assets			14,400,000
Addition in indefinite-lived Intangible Assets			17,100,000
Goodwill, Acquired During Period			8,238,000	8,200,000
Minimum Amount Committed Over Next Three Years To Be Awarded To Qualifying Students	15,000,000		15,000,000
Maximum Amount Of Scholarships Per Student	20,000		20,000
Description Of Students Award			For example, students in their first year of a bachelors degree program can be awarded up to $5,000. During the second year, the available award may increase up to $7,000. For the third year, the award can increase up to $8,000.
All other except for Carrington
Intangible Assets [Line Items]
Percentage of estimated fair values exceeded carrying values			12.00%
American University of the Caribbean
Intangible Assets [Line Items]
Impairment charges on Intangible Assets, Indefinite-lived			57,000,000
Faculdade Boa Viagem | Maximum
Intangible Assets [Line Items]
Percentage of estimated fair values exceeded carrying values			67.00%
Faculdade Boa Viagem | Minimum
Intangible Assets [Line Items]
Percentage of estimated fair values exceeded carrying values			4.00%
Devry University
Intangible Assets [Line Items]
Percentage decline in revenue compared to prior periods			16.00%
Impairment of goodwill			22,200,000
Percentage of estimated fair values exceeded carrying values			100.00%
Favip
Intangible Assets [Line Items]
Goodwill, Acquired During Period				$ 16,100,000