SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail) - USD ($)	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Summary Of Significant Accounting Policies [Line Items]
Minimum protective endowment related to continuing operation in Pennsylvania	$ 500,000
Reserves related to uncollectible accounts and refunds	69,100,000	$ 63,500,000
Net balance of capitalized software development costs	$ 16,600,000	$ 28,700,000
Anti-dilutive shares excluded from computations of earnings per share	2,755,000	2,644,000
Cumulative translation losses	$ 49,400,000	$ 122,300,000
Advertising expense	57,600,000	59,300,000
Provision for Doubtful Accounts	22,481,000	20,594,000
Impairment of Leasehold	1,300,000	7,400,000
Provisions For Refund Payments	12,300,000	11,100,000
Deferred Tax Liabilities, Net, Noncurrent	30,769,000	21,103,000	$ 29,936,000
Accounting Standards Update 2015-17 [Member]
Summary Of Significant Accounting Policies [Line Items]
Deferred Tax Assets, Net, Current		36,500,000
Deferred Tax Assets, Net, Noncurrent		6,300,000
Deferred Tax Liabilities, Net, Noncurrent		30,100,000
Noncontrolling Interest
Summary Of Significant Accounting Policies [Line Items]
Cumulative translation losses	1,100,000	2,600,000
Educational Services
Summary Of Significant Accounting Policies [Line Items]
Provision for Doubtful Accounts	$ 10,100,000	9,400,000
Perkins Student Loan Fund
Summary Of Significant Accounting Policies [Line Items]
Percentage of Contributions	33.00%
Allowances for expected losses on loan collections	$ 2,600,000	2,600,000
DeVry Brasil
Summary Of Significant Accounting Policies [Line Items]
Minority interest ownership percentage by noncontrolling owners	2.10%
DeVry Education Group Inc.
Summary Of Significant Accounting Policies [Line Items]
Ownership interest of parent in subsidiary	97.90%			96.30%
Cumulative translation losses	$ 48,300,000	119,700,000
Available-for-sale Securities, Accumulated Gross Unrealized Gain (Loss), before Tax, Total	200,000	100,000
Tax effect on unrealized gains on available-for-sale securities	$ 100,000	$ 200,000