BUSINESS COMBINATIONS - Additional Information (Detail) (USD $)	1 Months Ended	12 Months Ended
Sep. 30, 2014	Jun. 30, 2013
Business Acquisition [Line Items]
Number of students in Degree program	3,500dv_NumberOfStudentsInDegreePrograms	2,900dv_NumberOfStudentsInDegreePrograms
Number of campuses	13dv_NumberOfCampuses	13dv_NumberOfCampuses
Intangible Assets	$ 5,200,000	$ 17,700,000
Faculdade Martha Falcao
Business Acquisition [Line Items]
Amortizable intangible assets, estimated useful lives	2 years
Intangible Assets	5,249,000
Payments to Acquire Businesses	11,400,000
Business Combination, Consideration Transferred	1,600,000
Faculdade Martha Falcao \| Title Four Eligibility And Accreditations
Business Acquisition [Line Items]
Intangible assets not subject to amortization	4,100,000
Faculdade Martha Falcao \| Trade Name
Business Acquisition [Line Items]
Intangible assets not subject to amortization	1,000,000
Faculdade Diferencial Integral
Business Acquisition [Line Items]
Amortizable intangible assets, estimated useful lives		15 years
Number of campuses		0
Intangible Assets		17,723,000
Payments to Acquire Businesses		16,100,000
Business Combination, Consideration Transferred		9,000,000
Faculdade Diferencial Integral \| Title Four Eligibility And Accreditations
Business Acquisition [Line Items]
Intangible assets not subject to amortization		15,200,000
Faculdade Diferencial Integral \| Trade Name
Business Acquisition [Line Items]
Intangible assets not subject to amortization		$ 1,900,000
Devry Brasil
Business Acquisition [Line Items]
Number of students in Degree program	36,000

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Number Of Students In Degree Programs

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

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-Paragraph 1

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Amount of assets, excluding financial assets and goodwill, that lack physical substance, having a projected indefinite period of benefit, acquired at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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