Property and Equipment and Capitalized Software and Curriculum (Details) - USD ($)	12 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Property and equipment, net
Property and equipment, gross	$ 163,407,000	$ 157,798,000
Less accumulated depreciation and amortization	(112,551,000)	(105,466,000)
Property and equipment, Net	50,856,000	52,332,000
Capitalized Computer Software, Net [Abstract]
Capitalized Computer Software, Gross	330,054,000	318,965,000
Less accumulated depreciation and amortization	(248,102,000)	(235,500,000)
Capitalized software, Net	81,952,000	83,465,000
Capitalized curriculum development costs, Gross	181,353,000	183,597,000
Less accumulated depreciation and amortization	(128,121,000)	(132,810,000)
Capitalized curriculum development costs, net	53,232,000	50,787,000
Capitalized software written down	0	0	$ 0
Selling, General and Administrative Expenses
Capitalized Computer Software, Net [Abstract]
Depreciation expense	3,800,000	3,600,000	3,900,000
Student computers
Property and equipment, net
Property and equipment, gross	128,496,000	114,064,000
Student computers \| Cost of Sales
Capitalized Computer Software, Net [Abstract]
Depreciation expense	32,900,000	42,300,000	37,600,000
Computer software
Property and equipment, net
Property and equipment, gross	9,923,000	14,908,000
Computer hardware
Property and equipment, net
Property and equipment, gross	6,698,000	8,867,000
Leasehold improvements
Property and equipment, net
Property and equipment, gross	10,369,000	11,590,000
State testing computers
Property and equipment, net
Property and equipment, gross	4,609,000	4,609,000
Furniture and fixtures
Property and equipment, net
Property and equipment, gross	3,190,000	3,547,000
Office equipment
Property and equipment, net
Property and equipment, gross	122,000	213,000
Software Development \| Selling, General and Administrative Expenses
Capitalized Computer Software, Net [Abstract]
Amortization expense	7,900,000	5,600,000	5,400,000
Software Development \| Cost of Sales
Capitalized Computer Software, Net [Abstract]
Amortization expense	34,400,000	27,000,000.0	22,900,000
Capitalized curriculum
Capitalized Computer Software, Net [Abstract]
Amortization expense	$ 17,700,000	$ 16,700,000	$ 15,100,000

Amount of accumulated depreciation, depletion and amortization for capitalized curriculum content cost.

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Represents the costs incurred associated with the development, modification or acquisition of software programs or applications for internal use related to curriculum content (that is, not to be sold, leased or otherwise marketed to others) that qualify for capitalization, net of accumulated amortization.

+ References

No definition available.

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

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For each balance sheet presented, the amount of accumulated amortization for capitalized computer software costs.

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Amount before accumulated amortization of capitalized costs for computer software, including but not limited to, acquired and internally developed computer software.

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Amount of impairment loss from capitalized computer software costs.

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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

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Unamortized costs incurred for development of computer software, which is to be sold, leased or otherwise marketed, after establishing technological feasibility through to the general release of the software products. Excludes capitalized costs of developing software for internal use.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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