Intangible Assets (Schedule Of Amortizable Intangible Assets Amortized At Annual Rate - DeVry Brasil) (Details) (DeVry Brasil [Member])	9 Months Ended
Mar. 31, 2012
DeVry Brasil [Member]
Intangible Assets [Line Items]
2009	8.30%
2010	30.30%
2011	24.70%
2012	19.80%
2013	13.60%
2014	3.30%

Finite lived intangible assets amortized at annual rate, year five.

No definition available.

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Period Type:	duration

Finite lived intangible assets amortized at annual rate, year four.

No definition available.

Name:	dv_FiniteLivedIntangibleAssetsAmortizedAtAnnualRateYearFour
Namespace Prefix:	dv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Finite lived intangible assets amortized at annual rate, year one.

No definition available.

Name:	dv_FiniteLivedIntangibleAssetsAmortizedAtAnnualRateYearOne
Namespace Prefix:	dv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Finite lived intangible assets amortized at annual rate, year six.

No definition available.

Name:	dv_FiniteLivedIntangibleAssetsAmortizedAtAnnualRateYearSix
Namespace Prefix:	dv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Finite lived intangible assets amortized at annual rate, year three.

No definition available.

Name:	dv_FiniteLivedIntangibleAssetsAmortizedAtAnnualRateYearThree
Namespace Prefix:	dv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Finite lived intangible assets amortized at annual rate, year two.

No definition available.

Name:	dv_FiniteLivedIntangibleAssetsAmortizedAtAnnualRateYearTwo
Namespace Prefix:	dv_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Name:	dv_IntangibleAssetsLineItems
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration