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Discontinued Operations - Narrative (Details) - USD ($)		3 Months Ended			12 Months Ended			24 Months Ended
	Mar. 01, 2021	Mar. 27, 2022	Dec. 27, 2020	Sep. 27, 2020	Jun. 26, 2022	Jun. 27, 2021	Jun. 28, 2020	Jun. 26, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Term of certain silicon carbide materials and fabrication services	4 years
Term of real estate license agreement	24 months
(Gain) loss on disposal or impairment of other assets					$ 300,000	$ (1,600,000)	$ (1,500,000)
Net income (loss) from discontinued operations					94,200,000	(181,200,000)	7,000,000.0
LED Business | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash received from divestiture	$ 50,000,000
Unsecured promissory note issued to parent in disposition	125,000,000	$ 124,400,000
Potential earn-out payment					101,800,000			$ 101,800,000
Loss on sale						29,100,000	0
Cost of selling business								27,400,000
Proceeds from sale of business, net		125,000,000
Proceeds from divestiture of business, note receivable reduction		123,200,000
Disposal group, not discontinued operation, gain (loss) on disposal		1,200,000
Net income (loss) from discontinued operations		(500,000)				(181,200,000)	7,000,000.0
Discontinued operation, gain (loss) on disposal of discontinued operation, net of tax					94,200,000	2,500,000
Discontinued operation, amount of continuing cash flows after disposal					1,200,000
Goodwill impairment			$ 6,900,000	$ 105,700,000		112,600,000	0
Impairment on assets held for sale						19,500,000	0
Income tax expense					3,900,000	11,000,000.0	$ 8,200,000
Disposal group, including discontinued operation, other liabilities, noncurrent	$ 31,000,000				6,400,000			6,400,000
Non-operating expense					800,000	800,000
Disposal group, including discontinued operation, other assets, noncurrent					2,700,000			$ 2,700,000
LED Business | Discontinued Operations, Disposed of by Sale | Cree Venture LED
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income tax expense					2,400,000	4,100,000
LED Business | Discontinued Operations, Disposed of by Sale | CREE Trademark
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Gain) loss on disposal or impairment of other assets		(1,100,000)
LED Business | Discontinued Operations, Disposed of by Sale | SMART Trademark
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
(Gain) loss on disposal or impairment of other assets		$ 1,800,000
LED Business | Discontinued Operations, Disposed of by Sale | Unsecured Debt
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Contingent consideration receivable, interest payment period	3 months
LED Business | Discontinued Operations, Disposed of by Sale | Unsecured Debt | London Interbank Offered Rate (LIBOR)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Contingent consideration receivable, percentage rate	3.00%
LED Business | Discontinued Operations, Disposed of by Sale | Minimum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Potential earn-out payment	$ 2,500,000
LED Business | Discontinued Operations, Disposed of by Sale | Maximum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Potential earn-out payment	$ 125,000,000
LED Business, Real Estate License Agreement | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Administrative fees					3,600,000	1,200,000
LED Business, Real Estate License Agreement | Discontinued Operations, Disposed of by Sale | Accounts Receivable
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Administrative fees					300,000
Transition Service Agreement | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Administrative fees					9,200,000	$ 4,000,000
Transition Service Agreement | Discontinued Operations, Disposed of by Sale | Accounts Receivable
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Administrative fees					$ 600,000

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