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STOCK-BASED COMPENSATION - Narrative (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2024 shares | Dec. 31, 2024 USD ($) plan $ / shares shares | Dec. 31, 2023 USD ($) | Mar. 31, 2026 shares | Mar. 31, 2024 USD ($) shares | Mar. 31, 2023 shares | Sep. 30, 2024 shares
Share-based compensation |  |  |  |  |  |  |
Number of performance plans | plan |  | 2 |  |  |  |  |
Future expense for performance stock option units |  | $ 133,522 |  |  |  |  |
Performance stock |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Aggregate fair value of restricted stock units granted |  | 15,500 |  |  |  |  |
Performance-Based Restricted Stock Units Under The Total Shareholder Return Performance Plan |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Aggregate fair value of restricted stock units granted |  | 5,600 |  |  |  |  |
Habu |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Non-cash stock-based compensation expense |  | 4,500 |  |  |  |  |
Business combination, contingent consideration, liability |  | 4,500 |  |  |  |  |
Business combination, contingent consideration, liability, expected costs |  | 4,900 |  |  |  |  |
Restricted Stock |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Vested in period, fair value |  | $ 700 |  |  |  |  |
Restricted Stock | Habu |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Conversion of convertible securities (in shares) | shares |  |  |  |  | 36,118 |  |
Conversion of convertible securities |  |  |  |  | $ 1,400 |  |
Pre-combination service |  |  |  |  | 100 |  |
Total fair value of the replacement stock options issued |  |  |  |  | $ 1,300 |  |
Employee stock purchase plan |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Stock issued during period, ESPP (in shares) | shares |  | 187,764 |  |  |  |  |
Shares issued, price per share (in dollars per share) | $ / shares |  | $ 26.25 |  |  |  |  |
Stock issued during period, ESPP, value |  | $ 4,900 |  |  |  |  |
Share-based compensation expense |  | 1,297 | $ 1,167 |  |  |  |
Future expense for performance stock option units |  | $ 800 |  |  |  |  |
Restricted stock units | Vesting in Four Years |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Granted (in shares) | shares |  | 1,922,173 |  |  |  |  |
Aggregate fair value of restricted stock units granted |  | $ 61,300 |  |  |  |  |
Restricted stock units | Time-Based Vesting Over Three Years |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Vesting period |  | 3 years |  |  |  |  |
Restricted stock units | Time Based Vesting |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Vested in period, fair value |  | $ 64,100 |  |  |  |  |
Granted (in shares) | shares |  | 1,922,173 |  |  |  |  |
Forfeited in period (in shares) | shares |  | 417,133 |  |  |  |  |
Restricted stock units | Performance stock |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Granted (in shares) | shares |  | 429,857 |  |  | 199,946 | 101,931 |
Forfeited in period (in shares) | shares |  | 59,545 |  |  |  |  |
The total fair value of performance-based restricted stock units |  | $ 1,000 |  |  |  |  |
Restricted stock units | Performance-Based Restricted Stock Units Under The Total Shareholder Return Performance Plan |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Granted (in shares) | shares |  | 128,953 |  |  | 466,550 |  |
Restricted stock units | Performance Shares Vesting Total Shareholder Return | Minimum |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Award vesting rights percentage |  | 0.00% |  |  | 0.00% | 0.00% |
Restricted stock units | Performance Shares Vesting Total Shareholder Return | Maximum |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Award vesting rights percentage |  | 200.00% |  |  | 200.00% | 200.00% |
Restricted stock units | Performance Based Stock Units Under Operating Metrics |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Granted (in shares) | shares |  |  |  |  |  | 237,837 |
Restricted stock units | Performance Based Stock Units Under Operating Metrics | Forecast |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Final attainment of shares |  |  |  | 80.00% |  |  |
Shares released (in shares) | shares |  |  |  | 190,270 |  |  |
Shares cancelled (in shares) | shares |  |  |  | 47,567 |  |  |
Restricted stock units | Performance Based Stock Units Under Operating Metrics | Minimum |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Award vesting rights percentage |  |  |  |  |  | 0.00% |
Restricted stock units | Performance Based Stock Units Under Operating Metrics | Maximum |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Award vesting rights percentage |  |  |  |  |  | 200.00% |
Restricted stock units | Habu |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Share-based compensation expense |  | $ 650 | $ 0 |  |  |  |
Stock Option and Equity Compensation Plans |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Total shares reserved for issuance since inception of the stock option and equity compensation plans (in shares) | shares |  | 51,500,000 |  |  | 49,000,000.0 |  |
Shares which remained available for future grants (in shares) | shares |  | 6,600,000 |  |  |  |  |
Amended and Restated 2005 Equity Compensation Plan |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Total shares reserved for issuance since inception of the stock option and equity compensation plans (in shares) | shares |  |  |  |  | 46,400,000 |  | 48,900,000
Number of available shares (in shares) | shares | 2,500,000 |  |  |  |  |  |
Operating Metrics Performance Plan | Restricted stock units | Performance stock |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Granted (in shares) | shares |  | 300,904 |  |  |  |  |
Aggregate fair value of restricted stock units granted |  | $ 9,900 |  |  |  |  |
Operating Metrics Performance Plan | Restricted stock units | Performance Shares Vesting Total Shareholder Return | Minimum |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Award vesting rights percentage |  | 0.00% |  |  | 0.00% |  |
Operating Metrics Performance Plan | Restricted stock units | Performance Shares Vesting Total Shareholder Return | Maximum |  |  |  |  |  |  |
Share-based compensation |  |  |  |  |  |  |
Award vesting rights percentage |  | 200.00% |  |  | 200.00% |  |

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