SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	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	48,400,000	$ 63,600,000	48,400,000	$ 63,600,000	$ 64,500,000
Net balance of capitalized software development costs	$ 15,000,000	$ 25,200,000	$ 15,000,000	$ 25,200,000	18,300,000
Anti-dilutive shares excluded from computations of earnings per share	2,643,000	2,861,000	2,808,000	2,836,000
Cumulative translation losses	$ 51,100,000	$ 133,200,000	$ 51,100,000	$ 133,200,000	42,600,000
Advertising expense	46,500,000	56,300,000	104,000,000	115,600,000
Provision for Doubtful Accounts			44,713,000	40,601,000
Impairment of Leasehold	2,800,000	4,800,000	4,100,000	12,200,000
Provisions For Refund Payments	12,200,000	12,000,000	24,600,000	23,200,000
Deferred Tax Liabilities, Net, Noncurrent	32,452,000	21,380,000	32,452,000	21,380,000	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		41,300,000		41,300,000
Deferred Tax Assets, Net, Noncurrent		24,900,000		24,900,000
Deferred Tax Liabilities, Net, Noncurrent		16,400,000		16,400,000
Noncontrolling Interest
Summary Of Significant Accounting Policies [Line Items]
Cumulative translation losses	1,100,000	2,800,000	1,100,000	2,800,000	900,000
Educational Services
Summary Of Significant Accounting Policies [Line Items]
Provision for Doubtful Accounts	$ 10,000,000	8,000,000	$ 20,200,000	17,400,000
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	$ 2,600,000	$ 2,600,000	$ 2,600,000
DeVry Brasil
Summary Of Significant Accounting Policies [Line Items]
Ownership interest of parent in subsidiary	2.10%	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%
Cumulative translation losses	$ 50,000,000	$ 130,400,000	$ 50,000,000	$ 130,400,000	$ 41,700,000
Available-for-sale Securities, Accumulated Gross Unrealized Gain (Loss), before Tax, Total	200,000	200,000	200,000	200,000	100,000
Tax effect on unrealized gains on available-for-sale securities	$ 100,000	$ 200,000	$ 100,000	$ 200,000	$ 100,000