Discontinued Operations and Assets Held for Sale (Summary of Income Statement Information of Operations) (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Discontinued Operations and Assets Held for Sale
Revenue	$ 55,153	$ 146,046	$ 100,805	$ 305,600
Operating cost and expense:
Cost of educational services	35,717	88,231	69,665	186,690
Student services and administrative expense	15,706	54,658	30,079	119,363
Restructuring expense (gain)	391	129	426	(313)
Asset impairment charge - building and equipment		(289)		1,953
Total operating cost and expense	51,814	142,729	100,170	307,693
Operating income (loss) from discontinued operations	3,339	3,317	635	(2,093)
Interest and dividend income	761	1,001	1,739	1,976
Interest expense	(806)	(550)	(1,963)	(1,834)
Net other (expense) income	(45)	451	(224)	142
Income (loss) from discontinued operations before income taxes	3,294	3,768	411	(1,951)
Loss on disposal of discontinued operations before income taxes		(32,714)	0	(32,714)
Income tax benefit	823	4,595	550	5,580
Income (loss) from discontinued operations	4,117	(24,351)	961	(29,085)
Net income attributable to redeemable noncontrolling interest from discontinued operations		(299)	0	(308)
Income (loss) from discontinued operations attributable to Adtalem	$ 4,117	$ (24,650)	961	$ (29,393)
Loss on cash flow hedge			$ 28,000