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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 recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of gain (loss) on sale or disposal of equity in securities of subsidiaries or equity method investee.

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BUSINESS COMBINATIONS - Additional Information (Detail) $ in Thousands					3 Months Ended		12 Months Ended
	May 31, 2019 USD ($)	Feb. 05, 2018 USD ($)	Nov. 01, 2017 USD ($) item	Jul. 02, 2016 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)
Business Acquisition [Line Items]
Payments to acquire business							$ 118,409	$ 4,041	$ 330,567
Intangible Assets			$ 400
Intangible assets acquired other than goodwill			$ 400
OnCourse Learning [Member]
Business Acquisition [Line Items]
Percentage of voting interests acquired	100.00%
Payments to acquire business	$ 118,400
Cash acquired from acquisition	1,200
Long-term line of credit	100,000
Assets acquired, approximate price paid	119,631
Intangible Assets	63,100
Intangible assets acquired other than goodwill	63,100
OnCourse Learning [Member] \| Trade Name [Member]
Business Acquisition [Line Items]
Intangible assets, indefinite lived	$ 18,400
Edupristine [Member]
Business Acquisition [Line Items]
Percentage of voting interests acquired		64.00%			69.00%
Assets acquired, approximate price paid		$ 11,366
Cash paid for acquisition		3,200			$ 1,300
Intangible Assets		$ 1,380
Equity method investment, ownership percentage		36.00%
Equity method investments, fair value		$ 4,100
Noncontrolling interest on acquisition date		4,100
Gain on equity investment		1,200
Intangible assets acquired other than goodwill		1,380
Edupristine [Member] \| Trade Name [Member]
Business Acquisition [Line Items]
Intangible assets, indefinite lived		$ 1,400
Sao Judas Tadeu [Member]
Business Acquisition [Line Items]
Percentage of voting interests acquired			100.00%
Assets acquired, approximate price paid			$ 5,964
Cash paid for acquisition						$ 1,000
Intangible Assets			$ 381
Number of students in degree programs \| item			2,700
Intangible assets acquired other than goodwill			$ 381
Sao Judas Tadeu [Member] \| Scenario, Plan [Member]
Business Acquisition [Line Items]
Cash paid for acquisition			5,000
Sao Judas Tadeu [Member] \| Trade Name [Member]
Business Acquisition [Line Items]
Intangible assets, indefinite lived			$ 200
Association Of Certified Anti-Money Laundering Specialists [Member]
Business Acquisition [Line Items]
Percentage of voting interests acquired				100.00%
Payments to acquire business				$ 330,600
Cash acquired from acquisition				23,500
Long-term line of credit				175,000
Assets acquired, approximate price paid				354,128
Intangible Assets				88,600
Intangible assets acquired other than goodwill				88,600
Association Of Certified Anti-Money Laundering Specialists [Member] \| Trade Name [Member]
Business Acquisition [Line Items]
Intangible assets, indefinite lived				$ 39,900