Amortizable Intangible Assets Amortized at Annual Rate (Detail)	3 Months Ended
	Sep. 30, 2012
American University of Caribbean | Fiscal Years 2012
Intangible Assets [Line Items]
Annual rate of amortization	38.00%
American University of Caribbean | Fiscal Year 2013
Intangible Assets [Line Items]
Annual rate of amortization	38.50%
American University of Caribbean | Fiscal Year 2014
Intangible Assets [Line Items]
Annual rate of amortization	21.60%
American University of Caribbean | Fiscal Year 2015
Intangible Assets [Line Items]
Annual rate of amortization	1.90%
DeVry Brasil | Fiscal Year 2009
Intangible Assets [Line Items]
Annual rate of amortization	8.30%
DeVry Brasil | Fiscal Year 2010
Intangible Assets [Line Items]
Annual rate of amortization	30.30%
DeVry Brasil | Fiscal Year 2011
Intangible Assets [Line Items]
Annual rate of amortization	24.70%
DeVry Brasil | Fiscal Years 2012
Intangible Assets [Line Items]
Annual rate of amortization	19.80%
DeVry Brasil | Fiscal Year 2013
Intangible Assets [Line Items]
Annual rate of amortization	13.60%
DeVry Brasil | Fiscal Year 2014
Intangible Assets [Line Items]
Annual rate of amortization	3.30%
Faculdade Boa Viagem | Fiscal Years 2012
Intangible Assets [Line Items]
Annual rate of amortization	11.94%
Faculdade Boa Viagem | Fiscal Year 2013
Intangible Assets [Line Items]
Annual rate of amortization	33.65%
Faculdade Boa Viagem | Fiscal Year 2014
Intangible Assets [Line Items]
Annual rate of amortization	25.89%
Faculdade Boa Viagem | Fiscal Year 2015
Intangible Assets [Line Items]
Annual rate of amortization	16.70%
Faculdade Boa Viagem | Fiscal Year 2016
Intangible Assets [Line Items]
Annual rate of amortization	9.02%
Faculdade Boa Viagem | Fiscal Year 2017
Intangible Assets [Line Items]
Annual rate of amortization	2.64%
Faculdade Boa Viagem | Fiscal Year 2018
Intangible Assets [Line Items]
Annual rate of amortization	0.16%
Faculdade Do Vale Do Ipojuca | Fiscal Year 2013
Intangible Assets [Line Items]
Annual rate of amortization	27.62%
Faculdade Do Vale Do Ipojuca | Fiscal Year 2014
Intangible Assets [Line Items]
Annual rate of amortization	32.16%
Faculdade Do Vale Do Ipojuca | Fiscal Year 2015
Intangible Assets [Line Items]
Annual rate of amortization	22.99%
Faculdade Do Vale Do Ipojuca | Fiscal Year 2016
Intangible Assets [Line Items]
Annual rate of amortization	13.24%
Faculdade Do Vale Do Ipojuca | Fiscal Year 2017
Intangible Assets [Line Items]
Annual rate of amortization	3.99%