Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenue	$ 369,082	$ 364,281	$ 1,086,185	$ 1,021,195
Operating cost and expense:
Cost of educational services	165,820	166,027	484,768	498,497
Student services and administrative expense	144,526	148,863	432,713	433,379
Restructuring expense	1,278	10,518	17,706	16,999
Business acquisition and integration expense	11,346	5,924	35,702	41,537
Gain on sale of assets	(13,317)		(13,317)	0
Total operating cost and expense	309,653	331,332	957,572	990,412
Operating income	59,429	32,949	128,613	30,783
Other income (expense):
Interest expense	(14,457)	(36,585)	(47,806)	(109,907)
Other income (expense), net	3,980	(327)	3,301	2,435
Income (loss) from continuing operations before income taxes	48,952	(3,963)	84,108	(76,689)
(Provision for) benefit from income taxes	(389)	8,363	(5,906)	39,597
Income (loss) from continuing operations	48,563	4,400	78,202	(37,092)
Discontinued operations:
(Loss) income from discontinued operations before income taxes	(3,993)	3,426	(6,734)	1,535
(Loss) gain on disposal of discontinued operations before income taxes	(402)	474,003	(3,576)	474,003
Benefit from (provision for) income taxes	1,701	(134,089)	3,222	(134,201)
(Loss) income from discontinued operations	(2,694)	343,340	(7,088)	341,337
Net income	$ 45,869	$ 347,740	$ 71,114	$ 304,245
Basic:
Continuing operations	$ 1.08	$ 0.09	$ 1.73	$ (0.75)
Discontinued operations	(0.06)	7.02	(0.16)	6.90
Total basic earnings per share	1.02	7.11	1.57	6.15
Diluted:
Continuing operations	1.06	0.09	1.70	(0.75)
Discontinued operations	(0.06)	6.95	(0.15)	6.90
Total diluted earnings per share	$ 1.00	$ 7.04	$ 1.54	$ 6.15
Weighted-average shares outstanding:
Basic shares	45,125	48,925	45,276	49,459
Diluted shares	45,801	49,377	46,089	49,459