SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016	Jun. 30, 2016
Summary Of Significant Accounting Policies [Line Items]
Minimum protective endowment related to continuing operation in Pennsylvania	$ 500,000		$ 500,000
Reserves related to uncollectible accounts and refunds	51,200,000	$ 65,900,000	51,200,000	$ 65,900,000	$ 64,500,000
Net balance of capitalized software development costs	$ 13,300,000	$ 21,700,000	$ 13,300,000	$ 21,700,000	18,300,000
Anti-dilutive shares excluded from computations of earnings per share	1,670,000	2,828,000	2,514,000	2,765,000
Cumulative translation losses	$ 37,300,000	$ 91,500,000	$ 37,300,000	$ 91,500,000	42,600,000
Advertising expense	56,200,000	57,300,000	160,200,000	173,000,000
Provision for Doubtful Accounts			67,210,000	61,710,000
Impairment of Leasehold			3,600,000	12,200,000
Provisions For Refund Payments	10,900,000	11,500,000	35,400,000	34,700,000
Deferred Tax Liabilities, Net, Noncurrent	30,228,000	27,692,000	30,228,000	27,692,000	29,936,000
Federal Trade Commission Settlement Agreement [Member]
Summary Of Significant Accounting Policies [Line Items]
Allowance for Doubtful Accounts Receivable, Write-offs			24,200,000
Accounting Standards Update 2015-17 [Member]
Summary Of Significant Accounting Policies [Line Items]
Deferred Tax Assets, Net, Current		43,100,000		43,100,000
Deferred Tax Assets, Net, Noncurrent		24,200,000		24,200,000
Deferred Tax Liabilities, Net, Noncurrent		18,800,000		18,800,000
Noncontrolling Interest
Summary Of Significant Accounting Policies [Line Items]
Cumulative translation losses	800,000	1,900,000	800,000	1,900,000	900,000
Educational Services
Summary Of Significant Accounting Policies [Line Items]
Provision for Doubtful Accounts	$ 11,600,000	$ 9,600,000	$ 31,800,000	$ 27,000,000
Perkins Student Loan Fund
Summary Of Significant Accounting Policies [Line Items]
Percentage of Contributions	33.00%		33.00%
Allowances for expected losses on loan collections	$ 2,600,000		$ 2,600,000
DeVry Brazil
Summary Of Significant Accounting Policies [Line Items]
Ownership interest of parent in subsidiary	2.10%	2.10%	2.10%	2.10%
DeVry Education Group Inc.
Summary Of Significant Accounting Policies [Line Items]
Ownership interest of parent in subsidiary	97.90%	97.90%	97.90%	97.90%
Cumulative translation losses	$ 36,500,000	$ 89,600,000	$ 36,500,000	$ 89,600,000	41,700,000
Available-for-sale Securities, Accumulated Gross Unrealized Gain (Loss), before Tax, Total	300,000	200,000	300,000	200,000	100,000
Tax effect on unrealized gains on available-for-sale securities	$ 200,000	$ 200,000	$ 200,000	$ 200,000	$ 100,000