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Discontinued Operations - Narrative (Details) - USD ($) $ in Millions |  | 3 Months Ended | 12 Months Ended | 24 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Mar. 01, 2021 | Mar. 27, 2022 | Jun. 30, 2024 | Jun. 25, 2023 | Jun. 26, 2022 | Jun. 27, 2021 | Jun. 30, 2024 | Dec. 02, 2023 | Dec. 01, 2023 | Sep. 25, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Restructuring and related cost, facility transfer period threshold |  |  |  |  |  |  |  | 2 years |  |
Lease not yet commenced, term |  |  |  |  |  |  |  | 15 years |  |
Other current liabilities |  |  | $ 77.9 | $ 35.7 |  |  | $ 77.9 |  |  |
Other current assets |  |  | 179.8 | 131.5 |  |  | 179.8 |  |  |
Other long-term liabilities |  |  | 256.4 | 143.4 |  |  | 256.4 |  |  |
Term of certain silicon carbide materials and fabrication services | 4 years |  |  |  |  |  |  |  |  |
Term of real estate license agreement | 24 months |  |  |  |  |  |  |  |  |
Proceeds from sale of business |  |  | 75.6 | 101.8 | $ 125.0 |  |  |  |  |
Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration] |  |  |  |  | Net (loss) income from discontinued operations |  |  |  |  |
RF Business Master Supply Agreement |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Other current liabilities |  |  | 67.0 |  |  |  | 67.0 | $ 95.0 |  |
Other current assets |  |  | 4.6 |  |  |  | 4.6 |  |  |
RF Business, Long-Term Epi Supply Agreement |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Other long-term liabilities |  |  | 58.0 |  |  |  | 58.0 |  |  |
RF Business, RTP Fab Transfer |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Other long-term liabilities |  |  | 38.0 |  |  |  | 38.0 |  |  |
Discontinued Operations, Held-for-sale | RF Business, Consideration, Cash |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Aggregate net proceeds from sale of business unit |  |  |  |  |  |  |  | $ 75.0 |  |
Discontinued Operations, Held-for-sale | RF Business, Consideration, Equity Interest Issued Or Issuable |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Aggregate net proceeds from sale of business unit |  |  |  |  |  |  |  |  | $ 60.8 |
Disposal group, consideration, equity interest issued or issuable, shares |  |  |  |  |  |  |  | 711,528 |  |
Discontinued Operations, Disposed of by Sale | RF Business |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Loss on sale |  |  | 204.0 | 0.0 | $ 0.0 |  |  |  |  |
Cost of selling business |  |  | 12.2 |  |  |  | 25.4 |  |  |
Income tax expense |  |  | 7.0 | 0.7 | 0.8 |  |  |  |  |
Other long-term liabilities |  |  |  | 5.3 |  |  |  |  |  |
Discontinued Operations, Disposed of by Sale | LED Business |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Other current assets |  |  | 0.6 |  |  |  | 0.6 |  |  |
Proceeds from sale of business |  | $ 125.0 |  |  |  |  |  |  |  |
Potential earn-out payment |  |  |  |  | 101.8 |  |  |  |  | $ 101.8
Discontinued operation, gain on disposal of discontinued operation, net of tax |  |  |  |  | 94.2 | $ 2.5 |  |  |  |
Income tax expense |  |  |  |  | 3.9 |  |  |  |  |
Discontinued operation, amount of continuing cash flows after disposal |  |  |  |  | 1.2 |  |  |  |  |
Other long-term liabilities | $ 31.0 |  | 0.0 |  |  |  | $ 0.0 |  |  |
Discontinued Operations, Disposed of by Sale | LED Business | Cree Venture LED |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Income tax expense |  |  |  |  | 2.4 |  |  |  |  |
Discontinued Operations, Disposed of by Sale | LED Business | Wafer Supply Agreement |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Net loss |  |  | $ 25.3 | 13.6 | 0.8 |  |  |  |  |
Discontinued Operations, Disposed of by Sale | LED Business, Real Estate License Agreement |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Administrative fees |  |  |  | 2.4 | 3.6 |  |  |  |  |
Discontinued Operations, Disposed of by Sale | Transition Service Agreement |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |
Administrative fees |  |  |  | $ 6.0 | $ 9.2 |  |  |  |  |

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