Share-based Compensation - Narrative (Details) - USD ($)			1 Months Ended			3 Months Ended	12 Months Ended				36 Months Ended
	Aug. 31, 2020	Aug. 30, 2020	Jun. 30, 2024	Sep. 30, 2023	Dec. 31, 2021	Sep. 30, 2018	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2025	Nov. 10, 2023	Nov. 11, 2021	Nov. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense							$ 29,569,000	$ 21,641,000	$ 37,488,000
Weighted Average Remaining Recognition Period (Years)							2 years 7 months 6 days
Market-based Restricted Stock Units (MSU)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense							$ 5,000,000	$ (6,400,000)	$ 1,900,000
Weighted Average Remaining Recognition Period (Years)							2 years 10 months 20 days
Granted (in shares)					1,000,000	1,300,000
Market-based Restricted Stock Units (MSU) | Scenario, Adjustment
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense			$ (2,400,000)	$ (6,400,000)
Market-based Restricted Stock Units (MSU), Pre-Modification
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate		0.13%					3.93%
Expected term (in years)		1 year 3 months 18 days					2 years 4 months 24 days
Volatility rate		66.70%					57.81%
Dividend yield		0.00%					0.00%
Market-based Restricted Stock Units (MSU), Post-Modification
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free interest rate	0.14%
Expected term (in years)	2 years 3 months 18 days
Volatility rate	59.10%
Dividend yield	0.00%
Allocated share-based compensation expense							$ 600,000	$ 1,000,000.0	$ 3,900,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value							$ 1,400,000	$ 1,400,000	$ 500,000
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized under plan (in shares)							3,700,000				3,700,000	1,200,000	1,070,000	1,430,000
Grant price, percent of fair value of common stock at date of grant							85.00%
Expected term (in years)							1 year 3 months 18 days	1 year 3 months 18 days	1 year 3 months 18 days
Dividend yield							0.00%	0.00%	0.00%
Payroll deduction accumulation period (in months)							6 months
Performance Based Restricted Stock Units (PRSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense							$ 4,000,000.0	$ 2,800,000	$ 5,200,000
Weighted Average Remaining Recognition Period (Years)							1 year 10 months 6 days
Granted (in shares)							209,750	209,250	264,214
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value							$ 4,500,000	$ 3,800,000	$ 3,500,000
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted Average Remaining Recognition Period (Years)							1 year 7 months 28 days
Granted (in shares)							655,738	679,993	714,080
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value							$ 17,900,000	$ 15,600,000	$ 13,000,000
2018 Omnibus Incentive Plan | Stock Options | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant price, percent of fair value of common stock at date of grant							100.00%
2018 Omnibus Incentive Plan | Nonstatutory Stock Options | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant price, percent of fair value of common stock at date of grant							85.00%
2018 Omnibus Incentive Plan | Employee stock options and RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares available for grant (in shares)							541,000				541,000
Stock options exercisable term (in years)							10 years
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized											2,544,000
2018 Omnibus Incentive Plan | Employee stock options and RSUs | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)							4 years
2018 Omnibus Incentive Plan | Employee stock options and RSUs | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized under plan (in shares)							4,609,000				4,609,000			2,065,000
Award vesting period (in years)							5 years
2018 Omnibus Incentive Plan | Restricted Stock Units (RSUs) | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant price, percent of fair value of common stock at date of grant							100.00%
2018 Omnibus Incentive Plan | External Board Members | Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, value							$ 160,000
Average fair market value per share period							90 days
2018 Omnibus Incentive Plan | External Board Members | Restricted Stock Units (RSUs) | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)							10,000