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Restructuring and Related Charges (Narratives) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024 | Jun. 30, 2024 | Dec. 31, 2023 | Jun. 30, 2023
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring charges, net of reversals and impairment | $ 400 | $ 14,400 | $ 1,900 | $ 26,300 |  |  |  |
Restructuring charges | 557 | 14,937 | 3,264 | 27,113 |  |  |  |
Restructuring liabilities | 2,056 | 16,972 | 2,056 | 16,972 | $ 3,398 | $ 11,469 | $ 6,192 | $ 0
Other Accrued Liabilities |  |  |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring liabilities | 2,100 | 17,000 | 2,100 | 17,000 |  |  |  |
2023 Plan |  |  |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring charges |  |  | 100 |  |  |  |  |
Expected restructuring charges | $ 1,000 |  | $ 1,000 |  |  |  |  |
Restructuring and related activities completion year | 2026 |  | 2026 |  |  |  |  |
Restructuring charges accelerated depreciation on lab leasehold improvements |  |  | $ 5,900 |  |  |  |  |
2023 Plan | Moving Expenses and Asset Disposal Costs |  |  |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |  |  |
Other charges |  |  | 700 |  |  |  |  |
2023 Plan | Moving Expenses and Accelerated Depreciation of Leasehold Improvements |  |  |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring charges |  |  | 6,600 |  |  |  |  |
Q3 2024 Plan |  |  |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring charges | $ 200 | 9,700 | 1,300 | 9,700 |  |  |  |
Q2 2024 Plan |  |  |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring charges | 200 | $ 4,600 | 400 | 13,300 |  |  |  |
Q2 2024 Plan and Q3 2024 Plan |  |  |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring charges |  |  | 28,700 |  |  |  |  |
Expected restructuring charges | $ 0 |  | $ 0 |  |  |  |  |
Q1 2024 Plan |  |  |  |  |  |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |  |  |  |  |  |
Restructuring charges, net of reversals and impairment |  |  |  | $ 2,900 |  |  |  |

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