Consolidated Statements of Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Revenue	$ 363,302	$ 371,198	$ 717,861	$ 660,268
Operating cost and expense:
Cost of educational services	159,303	180,420	318,948	332,470
Student services and administrative expense	140,668	153,597	289,009	283,033
Restructuring expense	1,363	3,387	16,428	6,481
Business acquisition and integration expense	15,941	9,060	24,356	35,613
Total operating cost and expense	317,275	346,464	648,741	657,597
Operating income	46,027	24,734	69,120	2,671
Other income (expense):
Interest expense	(15,589)	(25,929)	(33,349)	(73,322)
Other (expense) income, net	(2,574)	861	(1,007)	1,739
Income (loss) from continuing operations before income taxes	27,864	(334)	34,764	(68,912)
(Provision for) benefit from income taxes	(4,247)	39,368	(5,301)	30,764
Income (loss) from continuing operations	23,617	39,034	29,463	(38,148)
Discontinued operations:
Income (loss) from discontinued operations before income taxes	524	4,159	(2,914)	(1,891)
Gain (loss) on disposal of discontinued operations before income taxes	185	0	(3,174)	0
(Provision for) benefit from income taxes	(182)	(25,340)	2,961	(112)
Income (loss) from discontinued operations	527	(21,181)	(3,127)	(2,003)
Net income (loss)	$ 24,144	$ 17,853	$ 26,336	$ (40,151)
Basic:
Continuing operations	$ 0.52	$ 0.78	$ 0.65	$ (0.77)
Discontinued operations	0.01	(0.43)	(0.07)	(0.04)
Total basic earnings (loss) per share	0.53	0.36	0.58	(0.81)
Diluted:
Continuing operations	0.51	0.78	0.64	(0.77)
Discontinued operations	0.01	(0.42)	(0.07)	(0.04)
Total diluted earnings (loss) per share	$ 0.52	$ 0.36	$ 0.57	$ (0.81)
Weighted-average shares outstanding:
Basic shares	45,425	49,776	45,350	49,719
Diluted shares	46,121	50,237	46,232	49,719