Consolidated Statements of Shareholders' Equity - USD ($) $ 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, 2018	$ 793	$ 454,653	$ 1,917,373	$ (142,168)	$ (711,365)	$ 1,519,286
Cumulative effect adjustment upon the adoption			381	(381)
Net income attributable to Adtalem Global Education			45,670			45,670
Other comprehensive income (loss), net of tax				(6,157)		(6,157)
Change in redeemable noncontrolling interest put option			745			745
Stock-based compensation		11,227				11,227
Net activity from stock-based compensation awards	8	17,075			(6,785)	10,298
Proceeds from stock issued under Colleague Stock Purchase Plan		88			333	421
Repurchase of common shares for treasury					(176,903)	(176,903)
Balance at the end of period - Net of Tax at Mar. 31, 2019	801	483,043	1,964,169	(148,706)	(894,720)	1,404,587
Balance at the beginning of period - Net of Tax at Jun. 30, 2018	793	454,653	1,917,373	(142,168)	(711,365)	1,519,286
Repurchase of common shares for treasury						(254,769)
Balance at the end of period - Net of Tax at Mar. 31, 2020	806	499,703	2,183,620	(276,379)	(1,113,191)	1,294,559
Balance at the beginning of period - Net of Tax at Dec. 31, 2018	801	479,946	1,926,134	(143,518)	(833,716)	1,429,647
Net income attributable to Adtalem Global Education			37,905			37,905
Other comprehensive income (loss), net of tax				(5,188)		(5,188)
Change in redeemable noncontrolling interest put option			130			130
Stock-based compensation		3,039				3,039
Net activity from stock-based compensation awards		40			(126)	(86)
Proceeds from stock issued under Colleague Stock Purchase Plan		18			92	110
Repurchase of common shares for treasury					(60,970)	(60,970)
Balance at the end of period - Net of Tax at Mar. 31, 2019	801	483,043	1,964,169	(148,706)	(894,720)	1,404,587
Balance at the beginning of period - Net of Tax at Jun. 30, 2019	801	486,061	2,012,902	(137,290)	(970,944)	1,391,530
Net income attributable to Adtalem Global Education			170,718			170,718
Other comprehensive income (loss), net of tax				(139,089)		(139,089)
Stock-based compensation		11,405				11,405
Net activity from stock-based compensation awards	5	2,237			(5,358)	(3,116)
Repurchase of common shares for treasury					(136,889)	(136,889)
Balance at the end of period - Net of Tax at Mar. 31, 2020	806	499,703	2,183,620	(276,379)	(1,113,191)	1,294,559
Balance at the beginning of period - Net of Tax at Dec. 31, 2019	806	496,674	2,032,788	(159,118)	(1,076,238)	1,294,912
Net income attributable to Adtalem Global Education			150,832			150,832
Other comprehensive income (loss), net of tax				(117,261)		(117,261)
Stock-based compensation		2,811				2,811
Net activity from stock-based compensation awards		218			(83)	135
Repurchase of common shares for treasury					(36,870)	(36,870)
Balance at the end of period - Net of Tax at Mar. 31, 2020	$ 806	$ 499,703	$ 2,183,620	$ (276,379)	$ (1,113,191)	$ 1,294,559