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, 2019	$ 801	$ 486,061	$ 2,012,902	$ (137,290)	$ (970,944)	$ 1,391,530
Net income attributable to Adtalem Global Education			14,361			14,361
Other comprehensive gain (loss), net of tax				(39,449)		(39,449)
Stock-based compensation		5,225				5,225
Net activity from stock-based compensation awards	4	865			(5,088)	(4,219)
Repurchases of common shares for treasury					(40,255)	(40,255)
Balance at the end of period - Net of Tax at Sep. 30, 2019	805	492,151	2,027,263	(176,739)	(1,016,287)	1,327,193
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
Net income attributable to Adtalem Global Education			19,930			19,930
Other comprehensive gain (loss), net of tax				443		443
Stock-based compensation		4,009				4,009
Net activity from stock-based compensation awards	3	52			(3,921)	(3,866)
Proceeds from stock issued under Colleague Stock Purchase Plan		(8)			42	34
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