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Debt (Additional Information) (Details) - USD ($)								3 Months Ended					9 Months Ended
	Apr. 11, 2022	Aug. 12, 2021	Jul. 29, 2021	Mar. 01, 2021	Feb. 12, 2021	Mar. 24, 2020	Apr. 13, 2018	Mar. 31, 2024	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2016	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2021
Line of Credit Facility [Line Items]
Repayment of long-term debt													$ 687,667,000	$ 2,250,000
Total interest expense									$ 36,585,000		$ 8,555,000		109,907,000	15,983,000
Current portion of long-term debt									0		3,000,000		0	3,000,000	$ 3,000,000
Line of Credit facility, initiation date							Apr. 13, 2018
Amortization of debt issuance costs													34,481,000	1,548,000
Debt Issuance Costs Write-off													28,800,000
Interest Rate Swap
Line of Credit Facility [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax									0		$ 0		(4,525,000)	0
Interest Rate Swap | Interest Expense [Member]
Line of Credit Facility [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax			$ (4,500,000)
Revolver [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity		$ 400,000,000.0
Term											5 years
Debt Issuance Costs Write-off													$ 0
Revolver [Member] | LIBOR Floor [Member]
Line of Credit Facility [Line Items]
Basic spread rate													0.75%
Revolver [Member] | LIBOR Floor [Member] | Minimum
Line of Credit Facility [Line Items]
Basic spread rate													3.75%
Revolver [Member] | LIBOR Floor [Member] | Maximum
Line of Credit Facility [Line Items]
Basic spread rate													4.25%
Revolver [Member] | Alternate Base Rate [Member] | Minimum
Line of Credit Facility [Line Items]
Basic spread rate													2.75%
Revolver [Member] | Alternate Base Rate [Member] | Maximum
Line of Credit Facility [Line Items]
Basic spread rate													3.25%
Walden Title IV Letter Of Credit [Member]
Line of Credit Facility [Line Items]
Letters of credit outstanding									$ 84,000,000.0				$ 84,000,000.0
Annual fee percentage									4.25%				4.25%
Commitment fee percentage													0.25%
Undrawn amount on letters of credit									$ 316,000,000.0				$ 316,000,000.0
Fronting fee percentage									0.125%				0.125%
De Vry University Title IV Letter Of Credit [Member]
Line of Credit Facility [Line Items]
Letters of credit outstanding									$ 0		$ 68,400,000	$ 68,400,000	$ 0	68,400,000	68,400,000
Letter Of Credit Title Iv Disbursement Percentage												10.00%
Letter of credit, repayment period												5 years
Credit annual fee percentage reimbursement													2.00%
Prior Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity							$ 300,000,000.0
Line of credit facility, expiration date							Apr. 13, 2023
Long-term Line of Credit											0			0	0
Debt Issuance Costs Write-off									0		$ 0		$ 6,000,000	0
Prior Revolving Credit Facility [Member] | Interest Expense [Member]
Line of Credit Facility [Line Items]
Debt Issuance Costs Write-off													$ 6,000,000.0
Prior Revolving Credit Facility [Member] | Base Rate [Member] | Minimum
Line of Credit Facility [Line Items]
Application rate, percentage											0.75%
Prior Revolving Credit Facility [Member] | Base Rate [Member] | Maximum
Line of Credit Facility [Line Items]
Application rate, percentage											1.75%
Prior Revolving Credit Facility [Member] | Eurocurrency Rate [Member] | Minimum
Line of Credit Facility [Line Items]
Application rate, percentage													1.75%
Prior Revolving Credit Facility [Member] | Eurocurrency Rate [Member] | Maximum
Line of Credit Facility [Line Items]
Application rate, percentage													2.75%
Term Loan B
Line of Credit Facility [Line Items]
Debt instrument, face amount					$ 850,000,000.0
Repayment of long-term debt									396,700,000
Debt Instrument, Issuance Price, Percent Of Principal Amount		99.00%
Debt Instrument, Issuance Discount, Percent		1.00%
Debt Issuance Costs Write-off									12,500,000				$ 12,500,000
Asset sale or disposition period													1 year
Asset sale or disposition investments													$ 20,000,000.0
Mandatory prepayment terms													0
Bridge
Line of Credit Facility [Line Items]
Debt Issuance Costs Write-off									0		$ 0		10,329,000	0
Bridge | Interest Expense [Member]
Line of Credit Facility [Line Items]
Debt Issuance Costs Write-off													$ 10,300,000
Senior Secured Notes Due 2028 And Term B Loan [Member]
Line of Credit Facility [Line Items]
Term											7 years
Cap percentage													20.00%
Senior Secured Notes Due 2028 And Term B Loan [Member] | Scenario, Plan [Member]
Line of Credit Facility [Line Items]
Total net leverage ratio								3.25%		4.00%
Senior Secured Notes Due 2028 [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount				$ 800,000,000.0
Fixed interest rate				5.50%
Repayment of long-term debt	$ 373,300,000
Percentage of notes issued on par value				100.00%
Redemption price, percentage of principal amount redeemed	100.00%			100.00%
Debt covenant, percentage of principal amount of notes outstanding				25.00%
Debt Issuance Costs Write-off													$ 0
Senior Secured Notes Due 2028 [Member] | Accrued Liabilities
Line of Credit Facility [Line Items]
Debt Instrument, Accrued Interest									$ 3,700,000		$ 3,800,000		$ 3,700,000	3,800,000	14,700,000
Senior Secured Notes Due 2028 [Member] | 2024
Line of Credit Facility [Line Items]
Redemption price, percentage of principal amount redeemed				102.75%
Senior Secured Notes Due 2028 [Member] | 2025
Line of Credit Facility [Line Items]
Redemption price, percentage of principal amount redeemed				101.375%
Senior Secured Notes Due 2028 [Member] | 2026
Line of Credit Facility [Line Items]
Redemption price, percentage of principal amount redeemed				100.00%
Senior Secured Notes Due 2028 [Member] | Prior to March 1,2024
Line of Credit Facility [Line Items]
Redemption price percentage				105.50%
Senior Secured Notes Due 2028 [Member] | Maximum | Prior to March 1,2024
Line of Credit Facility [Line Items]
Redemption price, percentage of principal amount redeemed				40.00%
Term B Loan [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount		$ 850,000,000.0
Fixed interest rate									5.25%				5.25%
Repayment of long-term debt	$ 373,300,000	$ 396,700,000
Debt Instrument, Ticking Fee, Term					30 days
Debt Instrument, Ticking Fee, Percent					50.00%
Basic spread rate					4.50%
Principal payment									$ 2,125,000
Debt Issuance Costs Write-off									12,471,000		0		$ 12,471,000	0
Term B Loan [Member] | Accrued Liabilities
Line of Credit Facility [Line Items]
Accrued Ticking Fees															11,300,000
Term B Loan [Member] | LIBOR Floor [Member]
Line of Credit Facility [Line Items]
Basic spread rate		0.75%			0.75%
Term B Loan [Member] | Alternate Base Rate [Member] | Minimum
Line of Credit Facility [Line Items]
Basic spread rate		3.00%
Term B Loan [Member] | Alternate Base Rate [Member] | Maximum
Line of Credit Facility [Line Items]
Basic spread rate		3.50%
Term B Loan [Member] | LIBOR
Line of Credit Facility [Line Items]
Basic spread rate					4.50%
Term B Loan [Member] | Eurocurrency Rate [Member] | Minimum
Line of Credit Facility [Line Items]
Basic spread rate		4.00%
Term B Loan [Member] | Eurocurrency Rate [Member] | Maximum
Line of Credit Facility [Line Items]
Basic spread rate		4.50%
Prior Term Loan B [Member]
Line of Credit Facility [Line Items]
Debt instrument, face amount							$ 300,000,000.0
Repayment of long-term debt		$ 291,000,000.0
Current portion of long-term debt									$ 0		$ 3,000,000		0	$ 3,000,000	$ 3,000,000
Principal payment							$ 750,000
Interest rate for borrowings under the Term B Loan facility											3.11%			3.11%	3.10%
Debt instrument, maturity date							Apr. 13, 2025
Debt Issuance Costs Write-off													$ 4,596,000
Prior Term Loan B [Member] | Base Rate [Member]
Line of Credit Facility [Line Items]
Basic spread rate													2.00%
Debt instrument, description of variable rate basis													base rate plus 2%
Prior Term Loan B [Member] | Eurocurrency Rate [Member]
Line of Credit Facility [Line Items]
Basic spread rate						3.00%							3.00%
Debt instrument, description of variable rate basis													LIBOR-equivalent rate plus 3%
Prior Term Loan B [Member] | Interest Rate Swap
Line of Credit Facility [Line Items]
Derivative, Fixed Interest Rate						0.946%
Derivative, Swaption Interest Rate									3.946%				3.946%
Prior Term Loan B [Member] | Interest Rate Swap | LIBOR
Line of Credit Facility [Line Items]
Debt instrument, description of variable rate basis						one-month LIBOR
Prior Term Loan B [Member] | Interest Rate Swap | LIBOR | Minimum
Line of Credit Facility [Line Items]
Derivative, Floor Interest Rate						0.00%
Prior Revolver Loan [Member]
Line of Credit Facility [Line Items]
Debt Issuance Costs Write-off													$ 1,404,000

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The amount of accrued fees incurred as at the end of the reporting period.

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Percent of debt discount.

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Issuance price of debt instrument as a percent of principal amount.

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Debt instrument accruing ticking fees as a percent of margin.

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Term debt instrument term ticking fees accrue.

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Repayment period for letter of credit, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Percentage of notes issued on par value.

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Amount of amortization expense attributable to debt issuance costs.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Fixed interest rate related to the interest rate derivative.

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Fixed interest rate that will be received or paid upon exercise of the interest rate swaption contract.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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