Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Revenue	$ 412,658	$ 369,082	$ 1,174,745	$ 1,086,185
Operating cost and expense:
Cost of educational services	175,321	165,820	516,008	484,768
Student services and administrative expense	156,689	144,526	478,368	432,713
Restructuring expense	473	1,278	1,217	17,706
Business integration expense	18,450	11,346	30,621	35,702
Gain on sale of assets	0	(13,317)	0	(13,317)
Total operating cost and expense	350,933	309,653	1,026,214	957,572
Operating income	61,725	59,429	148,531	128,613
Other income (expense):
Interest expense	(16,560)	(14,457)	(48,910)	(47,806)
Other income, net	2,871	3,980	8,648	3,301
Income from continuing operations before income taxes	48,036	48,952	108,269	84,108
Provision for income taxes	(10,595)	(389)	(21,156)	(5,906)
Income from continuing operations	37,441	48,563	87,113	78,202
Discontinued operations:
(Loss) income from discontinued operations before income taxes	(832)	(3,993)	329	(6,734)
Loss on disposal of discontinued operations before income taxes	0	(402)	0	(3,576)
Benefit from (provision for) income taxes	212	1,701	(84)	3,222
(Loss) income from discontinued operations	(620)	(2,694)	245	(7,088)
Net income and comprehensive income	$ 36,821	$ 45,869	$ 87,358	$ 71,114
Basic:
Continuing operations (In dollars per share)	$ 0.97	$ 1.08	$ 2.18	$ 1.73
Discontinued operations (In dollars per share)	(0.02)	(0.06)	0.01	(0.16)
Total basic earnings per share (In dollar per share)	0.95	1.02	2.18	1.57
Diluted:
Continuing operations (In dollars per share)	0.94	1.06	2.13	1.70
Discontinued operations (In dollars per share)	(0.02)	(0.06)	0.01	(0.15)
Total diluted earnings per share (In dollars per share)	$ 0.93	$ 1.00	$ 2.14	$ 1.54
Weighted-average shares outstanding:
Basic shares (In shares)	38,713	45,125	40,000	45,276
Diluted shares (In shares)	39,636	45,801	40,874	46,089