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Noncontrolling Interests - Additional Information (Details) - USD ($) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 04, 2023 | Oct. 10, 2023 | Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2023
Noncontrolling Interest [Line Items] |  |  |  |  |
Sale of shares to noncontrolling interests |  | $ 1,000,000 | $ 0 | $ 1,000,000 | $ 0
Silicon Carbide |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Non-controlling ownership interest percentage |  | 75.00% |  |  |
Denso Corporation | Silicon Carbide |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Equity investment, ownership percentage |  | 12.50% |  |  |
Mitsubishi Electric Corporation | Silicon Carbide |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Equity investment, ownership percentage |  | 12.50% |  |  |
Denso Corporation | Silicon Carbide |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Sale of stock, value of shares issued |  | $ 500,000 |  |  |
Denso Corporation | Silicon Carbide | Common Class A | Private Placement |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Shares issued and sold (in shares) | 16,666,667 |  |  |  |
Mitsubishi Electric Corporation | Silicon Carbide |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Sale of stock, value of shares issued |  | $ 500,000 |  |  |
Mitsubishi Electric Corporation | Silicon Carbide | Common Class A | Private Placement |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |
Shares issued and sold (in shares) | 16,666,667 |  |  |  |

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