SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail) (USD $)	3 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Jun. 30, 2013
Summary Of Significant Accounting Policies [Line Items]
Reserves related to uncollectible accounts and refunds	$ 64,200,000	$ 50,400,000
Cost capitalized	300,000
Net balance of capitalized software development costs	41,800,000	57,500,000
Anti-dilutive shares excluded from computations of earnings per share	901,000	2,169,000
Cumulative translation gains (losses)	32,300,000	17,700,000
Advertising expense	66,200,000	73,000,000
Provision for Doubtful Accounts	20,575,000	17,819,000
Impairment of Leasehold	200,000	700,000
Student Refundable Fees, Refund Payments	8,500,000	8,300,000
Prepaid Expenses And Other		51,100,000
Income Taxes Receivable, Current		600,000
Educational Services [Member]
Summary Of Significant Accounting Policies [Line Items]
Provision for Doubtful Accounts	12,000,000	9,500,000
Perkins Student Loan Fund
Summary Of Significant Accounting Policies [Line Items]
Percentage of Contributions by DeVry Inc.	33.00%
Investment at original values, net of allowances for expected losses on loan collections	2,600,000	2,600,000
Minimum
Summary Of Significant Accounting Policies [Line Items]
Minimum protective endowment related to continuing operation in Pennsylvania	500,000
DeVry Brasil
Summary Of Significant Accounting Policies [Line Items]
Ownership interest of parent in subsidiary	3.70%
DeVry Inc.
Summary Of Significant Accounting Policies [Line Items]
Ownership interest of parent in subsidiary	96.30%		83.50%
Cumulative translation gains (losses)	31,100,000	17,200,000
Available-for-sale Securities, Gross Unrealized Gain (Loss)	300,000	100,000
Tax effect on unrealized losses on available-for-sale securities	100,000	100,000
Noncontrolling Interest
Summary Of Significant Accounting Policies [Line Items]
Cumulative translation gains (losses)	$ 1,200,000	$ 500,000