Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Numerator:
Continuing operations	$ 153,551	$ 34,840	$ 172,476	$ 71,998
Discontinued operations	(2,719)	3,065	(1,758)	(26,328)
Net income attributable to Adtalem Global Education	$ 150,832	$ 37,905	$ 170,718	$ 45,670
Denominator:
Weighted-average shares outstanding	52,498	57,583	53,647	58,656
Unvested participating RSUs	457	478	470	543
Weighted-average basic shares outstanding	52,955	58,061	54,117	59,199
Effect of dilutive stock awards	364	741	459	805
Weighted-average diluted shares outstanding	53,319	58,802	54,576	60,004
Basic:
Continuing operations	$ 2.90	$ 0.60	$ 3.19	$ 1.22
Discontinued operations	(0.05)	0.05	(0.03)	(0.44)
Net	2.85	0.65	3.15	0.77
Diluted:
Continuing operations	2.88	0.59	3.16	1.20
Discontinued operations	(0.05)	0.05	(0.03)	(0.44)
Net	$ 2.83	$ 0.64	$ 3.13	$ 0.76
Weighted Average
Diluted:
Weighted-average anti-dilutive stock awards	992	194	942	223