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Severance (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2024
Severance |  |  |
Severance costs | $ 3.2 | $ 6.6 | $ 4.6
Executives and other employees |  |  |
Severance |  |  |
Costs associated with accelerated vesting of equity awards | $ 0.1 | $ 1.6 | $ 0.5

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