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 at Jun. 30, 2019	$ 801	$ 486,061	$ 2,012,902	$ (137,290)	$ (970,944)	$ 1,391,530
Balance at the beginning of period (in shares) at Jun. 30, 2019	80,132,000				24,830,000
Net income (loss) attributable to Adtalem Global Education			(85,334)			(85,334)
Other comprehensive income, net of tax				(165,125)		(165,125)
Reclassification adjustment for gain on available-for-sale marketable securities						0
Reclassification adjustment for realized gain (loss) on foreign currency translation adjustments				293,360		293,360
Reclassification adjustment for loss on interest rate swap						0
Change in redeemable noncontrolling interest put option						0
Stock-based compensation		14,713				14,713
Net activity from stock-based compensation awards	$ 6	3,668			$ (5,527)	(1,853)
Net activity from stock-based compensation awards (in shares)	533,000				127,000
Proceeds from stock issued under Colleague Stock Purchase Plan		(8)			$ 27	$ 19
Proceeds from stock issued under Colleague Stock Purchase Plan (in shares)					(1,000)	(705)
Repurchases of common stock for treasury					$ (136,889)	$ (136,889)
Repurchases of common stock for treasury (in shares)					3,838,000
Balance at the end of period at Jun. 30, 2020	$ 807	504,434	1,927,568	(9,055)	$ (1,113,333)	1,310,421
Balance at the end of period (in shares) at Jun. 30, 2020	80,665,000				28,794,000
Net income (loss) attributable to Adtalem Global Education			76,909			76,909
Other comprehensive income, net of tax				1,816		1,816
Reclassification adjustment for gain on available-for-sale marketable securities				(126)		(126)
Reclassification adjustment for realized gain (loss) on foreign currency translation adjustments						0
Reclassification adjustment for loss on interest rate swap						0
Change in redeemable noncontrolling interest put option			628			628
Stock-based compensation		13,880				13,880
Net activity from stock-based compensation awards	$ 4	1,561			$ (4,314)	(2,749)
Net activity from stock-based compensation awards (in shares)	434,000				131,000
Proceeds from stock issued under Colleague Stock Purchase Plan		(49)			$ 340	$ 291
Proceeds from stock issued under Colleague Stock Purchase Plan (in shares)					(9,000)	(8,857)
Repurchases of common stock for treasury					$ (100,000)	$ (100,000)
Repurchases of common stock for treasury (in shares)					2,930,000	2,929,906
Balance at the end of period at Jun. 30, 2021	$ 811	519,826	2,005,105	(7,365)	$ (1,217,307)	$ 1,301,070
Balance at the end of period (in shares) at Jun. 30, 2021	81,099,000				31,846,000	49,253,000
Net income (loss) attributable to Adtalem Global Education			317,705			$ 317,705
Other comprehensive income, net of tax				59		59
Reclassification adjustment for gain on available-for-sale marketable securities						0
Reclassification adjustment for realized gain (loss) on foreign currency translation adjustments				(349)		(349)
Reclassification adjustment for loss on interest rate swap				6,695		6,695
Change in redeemable noncontrolling interest put option						0
Stock-based compensation		23,247				23,247
Net activity from stock-based compensation awards	$ 7	8,872			$ (2,834)	6,045
Net activity from stock-based compensation awards (in shares)	697,000				82,000
Proceeds from stock issued under Colleague Stock Purchase Plan		(97)			$ 692	$ 595
Proceeds from stock issued under Colleague Stock Purchase Plan (in shares)					(19,000)	(18,328)
Repurchases of common stock for treasury					$ (120,000)	$ (120,000)
Repurchases of common stock for treasury (in shares)					4,710,000
Equity forward contract		(30,000)				(30,000)
Balance at the end of period at Jun. 30, 2022	$ 818	$ 521,848	$ 2,322,810	$ (960)	$ (1,339,449)	$ 1,505,067
Balance at the end of period (in shares) at Jun. 30, 2022	81,796,000				36,619,000	45,177,000