Debt (Additional Information) (Details) - USD ($) $ in Thousands														1 Months Ended		3 Months Ended	12 Months Ended
	Aug. 06, 2025	Jan. 17, 2025	Dec. 03, 2024	Aug. 21, 2024	Jan. 26, 2024	Jan. 25, 2024	Nov. 01, 2023	Nov. 22, 2022	Sep. 22, 2022	Apr. 11, 2022	Mar. 11, 2022	Aug. 12, 2021	Mar. 01, 2021	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2022	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023	Feb. 28, 2025	Jan. 31, 2025	Dec. 13, 2024	Dec. 06, 2024
Line of Credit Facility [Line Items]
Repayment of long-term debt																	$ 109,873	$ 51,896	$ 150,861
Gain on extinguishment of debt																	0	0	71
Long-term debt, gross																	558,283	658,283
Debt Issuance Costs Write-off																	1,738
Title IV Letter Of Credit
Line of Credit Facility [Line Items]
Letters of credit outstanding							$ 157,900
Percentage of funds received							10.00%
Walden Title IV Letter Of Credit
Line of Credit Facility [Line Items]
Letters of credit expired																							$ 69,400
Surety Bond
Line of Credit Facility [Line Items]
Guarantor Obligations, Current Carrying Value																	67,300
Letter of Credit [Member] | Title IV Letter Of Credit
Line of Credit Facility [Line Items]
Letters of credit outstanding			$ 179,000														$ 179,000
Percentage of funds received			10.00%
Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity												$ 400,000
Commitment fee percentage																	0.25%
Undrawn amount on letters of credit																	$ 400,000
Debt instrument, maturity date												Aug. 12, 2026
Line of credit																	$ 0	0	0
Term																	5 years
Revolving Credit Facility | Title IV Letter Of Credit
Line of Credit Facility [Line Items]
Letters of credit outstanding																					$ 99,000	$ 99,000
Revolving Credit Facility | Subsequent Event
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 500,000
Additional borrowing capacity	$ 100,000
Debt instrument, maturity date	Aug. 06, 2030
Revolving Credit Facility | Alternate Base Rate | Minimum
Line of Credit Facility [Line Items]
Basic spread rate																	2.75%
Revolving Credit Facility | Alternate Base Rate | Minimum | Subsequent Event
Line of Credit Facility [Line Items]
Basic spread rate	1.25%
Revolving Credit Facility | Alternate Base Rate | Maximum
Line of Credit Facility [Line Items]
Basic spread rate																	3.25%
Revolving Credit Facility | Alternate Base Rate | Maximum | Subsequent Event
Line of Credit Facility [Line Items]
Basic spread rate	2.00%
Revolving Credit Facility | SOFR
Line of Credit Facility [Line Items]
Floor rate																	0.75%
Revolving Credit Facility | SOFR | Minimum
Line of Credit Facility [Line Items]
Basic spread rate																	3.75%
Revolving Credit Facility | SOFR | Minimum | Subsequent Event
Line of Credit Facility [Line Items]
Basic spread rate	2.25%
Revolving Credit Facility | SOFR | Maximum
Line of Credit Facility [Line Items]
Basic spread rate																	4.25%
Revolving Credit Facility | SOFR | Maximum | Subsequent Event
Line of Credit Facility [Line Items]
Basic spread rate	3.00%
Surety-Backed Letter of Credit [Member] | Title IV Letter Of Credit
Line of Credit Facility [Line Items]
Letters of credit outstanding																				$ 99,000		$ 80,000
Senior Secured Notes Due 2028 And Term B Loan
Line of Credit Facility [Line Items]
Amortization period																	7 years
Senior Secured Notes Due 2028 And Term B Loan | Maximum | Scenario Plan
Line of Credit Facility [Line Items]
Total net leverage ratio																	3.25
Senior Secured Notes Due 2028
Line of Credit Facility [Line Items]
Debt instrument, face amount													$ 800,000
Fixed interest rate													5.50%
Repayment of long-term debt										$ 373,300				$ 20,800		$ 900
Gain on extinguishment of debt																			100
Long-term debt, gross																	$ 404,950	404,950
Percentage of notes issued on par value													100.00%
Redemption price, percentage of principal amount redeemed										100.00%				90.00%		92.00%
Debt Issuance Costs Write-off																			15
Senior Secured Notes Due 2028 | Accrued Liabilities
Line of Credit Facility [Line Items]
Debt Instrument, Accrued Interest																	$ 7,400	7,400
Senior Secured Notes Due 2028 | 2024
Line of Credit Facility [Line Items]
Redemption price, percentage of principal amount redeemed													102.75%
Senior Secured Notes Due 2028 | 2025
Line of Credit Facility [Line Items]
Redemption price, percentage of principal amount redeemed													101.375%
Senior Secured Notes Due 2028 | 2026
Line of Credit Facility [Line Items]
Redemption price, percentage of principal amount redeemed													100.00%
Term B Loan
Line of Credit Facility [Line Items]
Debt instrument, face amount												$ 850,000
Fixed interest rate																	7.08%
Repayment of long-term debt		$ 100,000			$ 50,000			$ 50,000	$ 100,000		$ 396,700						$ 100,000	50,000	150,000
Long-term debt, gross																	153,333	253,333
Reduction in margin interest rate				(0.75%)	(0.50%)
Principal payment															$ 2,125		0
Debt instrument, maturity date												Aug. 12, 2028
Debt instrument, issuance price, percent of principal amount												99.00%
Debt instrument, issuance discount, percent												1.00%
Debt Issuance Costs Write-off																	1,738	1,113	4,282
Term B Loan | Interest Expense.
Line of Credit Facility [Line Items]
Debt Issuance Costs Write-off																	$ 1,700	$ 1,100	$ 4,300
Term B Loan | Alternate Base Rate
Line of Credit Facility [Line Items]
Basic spread rate				1.75%
Term B Loan | Alternate Base Rate | Minimum
Line of Credit Facility [Line Items]
Basic spread rate					2.50%	3.00%
Term B Loan | Alternate Base Rate | Maximum
Line of Credit Facility [Line Items]
Basic spread rate					3.00%	3.50%
Term B Loan | Eurocurrency Rate | Minimum
Line of Credit Facility [Line Items]
Basic spread rate					3.50%	4.00%
Term B Loan | Eurocurrency Rate | Maximum
Line of Credit Facility [Line Items]
Basic spread rate					4.00%	4.50%
Term B Loan | SOFR
Line of Credit Facility [Line Items]
Basic spread rate				2.75%
Floor rate				0.75%	0.75%	0.75%