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Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021 | Sep. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares available for grant (in shares) |  |  |  |  | 12.3
Unrecognized stock-based compensation expense |  |  |  |  | $ 78.9
Unrecognized stock-based compensation, expected to be recognized, weighted average period |  |  |  |  | 2 years 6 months
Employee Stock Purchase Plan |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Common stock reserved for future issuance (in shares) |  |  |  |  | 1.6
Stock options |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Outstanding and exercisable options (in shares) |  |  |  |  | 0.2
Weighted average exercise price (in dollars per share) |  |  |  |  | $ 83.65
Weighted average remaining contractual life |  |  |  |  | 3 years
Weighted average fair value per share of options granted (in dollars per share) |  |  |  |  | $ 69.82
PSUs |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vesting period | 3 years | 3 years | 3 years | 3 years |
PSUs | Maximum |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Shares issued (in shares) | 0.1 |  |  |  |
PSUs, RSUs, RSAs and DSUs | Maximum |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Vested number of units (less than) (in shares) |  |  |  |  | 0.1

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