Consolidated Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Treasury Stock [Member]	Total
Balance at the beginning of period - Net of Tax at Jun. 30, 2020	$ 807	$ 504,434	$ 1,927,568	$ (9,055)	$ (1,113,333)	$ 1,310,421
Common Stock, Shares, Outstanding, Beginning Balance at Jun. 30, 2020	80,665				28,794
Net (loss) income attributable to Adtalem Global Education			19,930			19,930
Other comprehensive income (loss), net of tax				443		443
Reclassification adjustment for unrealized loss on interest rate swap						0
Stock-based compensation		4,009				4,009
Net activity from stock-based compensation awards	$ 3	52			$ (3,921)	(3,866)
Net activity from stock-based compensation awards (in shares)	336				119
Proceeds from stock issued under Colleague Stock Purchase Plan		(8)			$ 42	34
Proceeds from stock issued under Colleague Stock Purchase Plan (in shares)					(1)
Balance at the end of period - Net of Tax at Sep. 30, 2020	$ 810	508,487	1,947,498	(8,612)	$ (1,117,212)	$ 1,330,971
Common Stock, Shares, Outstanding, Ending Balance at Sep. 30, 2020	81,001				28,912	52,089
Balance at the beginning of period - Net of Tax at Jun. 30, 2021	$ 811	519,826	2,005,105	(7,365)	$ (1,217,307)	$ 1,301,070
Common Stock, Shares, Outstanding, Beginning Balance at Jun. 30, 2021	81,099				31,846	49,253
Net (loss) income attributable to Adtalem Global Education			(58,004)			$ (58,004)
Other comprehensive income (loss), net of tax				(70)		(70)
Reclassification adjustment for unrealized loss on interest rate swap				(6,695)		(6,695)
Stock-based compensation		9,906				9,906
Net activity from stock-based compensation awards	$ 6	7,679			$ (2,228)	5,457
Net activity from stock-based compensation awards (in shares)	557				61
Proceeds from stock issued under Colleague Stock Purchase Plan		(9)			$ 136	127
Proceeds from stock issued under Colleague Stock Purchase Plan (in shares)					(4)
Balance at the end of period - Net of Tax at Sep. 30, 2021	$ 817	$ 537,402	$ 1,947,101	$ (740)	$ (1,219,399)	$ 1,265,181
Common Stock, Shares, Outstanding, Ending Balance at Sep. 30, 2021	81,656				31,903	49,753