Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Numerator:
Continuing operations	$ 31,754	$ 1,408	$ 59,291	$ 18,925
Discontinued operations	(8,439)	4,117	(16,046)	961
Net income attributable to Adtalem Global Education	$ 23,315	$ 5,525	$ 43,245	$ 19,886
Denominator:
Weighted-average shares outstanding	51,654	53,412	51,809	54,215
Unvested participating RSUs	597	478	549	476
Weighted-average basic shares outstanding	52,251	53,890	52,358	54,691
Effect of dilutive stock awards	190	390	264	501
Weighted-average diluted shares outstanding	52,441	54,280	52,622	55,192
Basic:
Continuing operations	$ 0.61	$ 0.03	$ 1.13	$ 0.35
Discontinued operations	(0.16)	0.08	(0.31)	0.02
Net	0.45	0.10	0.83	0.36
Diluted:
Continuing operations	0.61	0.03	1.13	0.34
Discontinued operations	(0.16)	0.08	(0.30)	0.02
Net	$ 0.44	$ 0.10	$ 0.82	$ 0.36
Weighted Average
Diluted:
Weighted-average anti-dilutive stock awards	1,168	1,025	1,059	910