Discontinued Operations (Summary of Income Statement Information of Operations) (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Discontinued Operations And Disposal Groups [Abstract]
Revenue	$ 0	$ 0	$ 153,762
Operating cost and expense:
Cost of educational services	0	0	26,996
Student services and administrative expense	762	8,464	126,252
Restructuring expense	0	0	1,500
Total operating cost and expense	762	8,464	154,748
Loss from discontinued operations before income taxes	(762)	(8,464)	(986)
(Loss) gain on disposal of discontinued operations before income taxes	0	(3,576)	473,483
(Provision for) benefit from income taxes	(174)	3,646	(125,551)
(Loss) income from discontinued operations	$ (936)	$ (8,394)	$ 346,946

Amount before tax of income (loss) from a discontinued operation other than gain (loss) on disposal.

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Operating cost and expense

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Amount of restructuring expense attributable to disposal group.

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Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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Amount of costs of goods sold attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of general and administrative expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of operating expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of revenue attributable to disposal group, including, but not limited to, discontinued operation.

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Amount after tax of income (loss) from a discontinued operation including the portion attributable to the noncontrolling interest. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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