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Stock-based Compensation and Stockholders' Equity - Stock Option Activity Narrative (Details) |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 02, 2024 day | Nov. 30, 2023 tranche operationalMilestone $ / shares shares | Mar. 31, 2021 shares | Jun. 30, 2025 USD ($) $ / shares shares | Jun. 30, 2024 USD ($) shares | Jun. 30, 2023 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock-based compensation amount capitalized |  |  |  | $ 500,000 | $ 0 | $ 0
Grants in period (in shares) | shares |  |  |  | 5,302,345 |  |
Stock-based compensation expense before taxes |  |  |  | $ 314,452,000 | 231,507,000 | 54,433,000
Tax benefit from options exercised |  |  |  | 28,300,000 |  |
Total pretax intrinsic value of options exercised |  |  |  | 182,900,000 | 475,000,000.0 | 110,100,000
Payment for employees tax obligations |  |  |  | 142,457,000 | 174,354,000 | $ 28,197,000
2021 CEO Performance Stock Option |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Grants in period (in shares) | shares |  |  | 10,000,000 |  |  |
Stock-based compensation expense before taxes |  |  |  | 0 | 700,000 |
Unrecognized compensation cost related to non-vested stock-based awards |  |  |  | $ 0 | 0 |
2021 CEO Performance Stock Option | Milestone Five |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock price milestone (USD per share) | $ / shares |  |  |  | $ 12.00 |  |
2023 CEO Performance Award |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Grants in period (in shares) | shares |  | 5,000,000 |  |  |  |
Stock-based compensation expense before taxes |  |  |  | $ 13,400,000 | $ 49,100,000 |
Unrecognized compensation cost related to non-vested stock-based awards |  |  |  | $ 5,500,000 |  |
Number of vesting tranches | tranche |  | 5 |  |  |  |
Market price milestone, number of trading days | day | 60 |  |  |  |  |
Number of operational milestones | operationalMilestone |  | 5 |  |  |  |
Unrecognized compensation cost related to non-vested stock based awards, period for recognition |  |  |  | 1 year 6 months |  |
2023 CEO Performance Award | Milestone Five |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock price milestone (USD per share) | $ / shares |  | $ 110.00 |  | $ 110 |  |
Stock options |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Unrecognized compensation cost related to non-vested stock-based awards |  |  |  | $ 221,300,000 |  |
Unrecognized compensation cost related to non-vested stock based awards, period for recognition |  |  |  | 2 years 7 months 24 days |  |
Shares withheld for taxes (in shares) | shares |  |  |  | 765,888 | 0 | 0
Payment for employees tax obligations |  |  |  | $ 27,200,000 | $ 0 | $ 0

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