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Disposal Group, Including Discontinued Operation, Contingent Consideration, Asset

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Disposal Group, Including Discontinued Operation, Goodwill Impairment

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Disposal Group, Including Discontinued Operation, Impairment On Assets Held For Sale

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Disposal Group, Including Discontinued Operation, Term Of Continuing Supply Of Materials And Services

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Disposal Group, Including Discontinued Operation, Term Of Real Estate License Agreement

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Amount before tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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Amount of general and administrative expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount of other expense attributable to disposal group, including, but not limited to, discontinued operation.

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Amount classified as other assets attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.

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Amount classified as other liabilities attributable to disposal group held for sale or disposed of, expected to be disposed of beyond one year or the normal operating cycle, if longer.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The cash inflow associated with the amount received from the sale of a business segment or subsidiary or sale of an entity that is related to it but not strictly controlled during the period (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment).

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Discontinued Operations - Narrative (Details) - USD ($)		3 Months Ended				9 Months Ended		12 Months Ended
Discontinued Operations - Narrative (Details) - USD ($)	Mar. 01, 2021	Mar. 28, 2021	Dec. 27, 2020	Sep. 27, 2020	Mar. 29, 2020	Mar. 28, 2021	Mar. 29, 2020	Jun. 28, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Costs of selling business								$ 27,400,000
Term of certain silicon carbide materials and fabrication services	4 years
Non-operating expense		$ 100,000			$ 0	$ 100,000	$ 0
Discontinued Operations, Disposed of by Sale \| LED Business
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
Loss on sale		(26,300,000)			0	(26,300,000)
Costs of selling business						27,400,000
Goodwill impairment		0			0
Impairment on assets held for sale		0			0
Income tax expense		7,800,000			$ 2,100,000
Administrative fees		300,000				1,000,000.0
Supply Agreement liability	$ 31,000,000.0	27,900,000				27,900,000
Non-operating expense		100,000				100,000
Other assets		$ 7,200,000				7,200,000
Discontinued Operations, Disposed of by Sale \| LED Business \| Purchase Price Note \| Unsecured Promissory Note \| LIBOR
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Basis spread on variable rate of debt instrument (as a percent)	3.00%
Discontinued Operations, Disposed of by Sale \| LED Business \| Minimum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Potential earn-out payment	$ 2,500,000
Discontinued Operations, Disposed of by Sale \| LED Business \| Maximum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Potential earn-out payment	$ 125,000,000
Term of real estate license agreement	24 months
Discontinued Operations, Held-for-sale \| LED Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on sale							0
Goodwill impairment			$ 6,900,000	$ 105,700,000		112,600,000	0
Impairment on assets held for sale			$ 19,500,000			19,500,000	0
Income tax expense						$ 11,400,000	$ 7,100,000
Supply Agreement liability								9,800,000
Other assets								$ 1,700,000