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