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Property and Equipment, Net (Additional Information) (Details) - USD ($) $ in Thousands			3 Months Ended	12 Months Ended
	Sep. 27, 2019	Jul. 31, 2019	Dec. 31, 2018	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Real Estate [Line Items]
Depreciation expense				$ 34,428	$ 33,759	$ 33,004
Gain on Business Interruption Insurance Recovery				0	15,571	0
Property and equipment, net				286,102	283,433
Proceeds From Down Payment On Seller Loan				5,200	0	0
Notes receivable					74,269
Financing payables					18,964
Proceeds from Sales of Assets, Investing Activities				6,421	0	0
Realized Gain on Sale of Assets				4,779	0	0
Hurricane [Member]
Real Estate [Line Items]
Gain on Business Interruption Insurance Recovery					15,600
Impairment of Long-Lived Assets Held-for-use				0	0	31,000
Insurance settlements receivable						21,900
Chicago, Illinois Campus [Member]
Real Estate [Line Items]
Receivable with Imputed Interest, Face Amount		$ 46,800
Discontinued Operations, Disposed of by Sale | Chicago, Illinois Campus [Member]
Real Estate [Line Items]
Proceeds from disposal		52,000
Proceeds From Down Payment On Seller Loan		5,200		$ 5,200
Receivable with Imputed Interest, Face Amount		$ 46,800
Receivable with Imputed Interest, Effective Yield (Interest Rate)		4.00%
Discontinued Operations, Disposed of by Sale | Chicago, Illinois Campus [Member] | Other Assets
Real Estate [Line Items]
Notes receivable		$ 40,300
Discontinued Operations, Disposed of by Sale | Chicago, Illinois Campus [Member] | Other Liabilities
Real Estate [Line Items]
Financing payables		$ 45,500
Discontinued Operations, Disposed of by Sale | Columbus, Ohio Campus
Real Estate [Line Items]
Proceeds from Sales of Assets, Investing Activities	$ 6,400
Realized Gain on Sale of Assets	$ 4,800
American University Of The Caribbean And Ross University [Member]
Real Estate [Line Items]
Gain on Business Interruption Insurance Recovery			$ 15,600
American University Of The Caribbean And Ross University [Member] | Hurricane [Member]
Real Estate [Line Items]
Impairment of Long-Lived Assets Held-for-use						31,000
Insurance settlements receivable						$ 21,900
Dominica Campus [Member] | Ross University School of Medicine [Member]
Real Estate [Line Items]
Property and equipment, net					0
Impairment of Long-Lived Assets to be Disposed of					$ 39,100

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