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Discontinued Operations - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Dec. 29, 2024	Dec. 31, 2023	Jun. 30, 2024	Dec. 02, 2023
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
Restructuring and related cost, lease not yet commenced, period						15 years
Other current liabilities	$ 207.6		$ 207.6		$ 77.9
Other current assets	123.1		123.1		179.8
Other long-term liabilities	218.2		218.2		$ 256.4
RF Business Master Supply Agreement
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other current liabilities	45.2		45.2			$ 95.0
Other current assets	5.8		5.8
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]
Disposal group, including discontinued operation, consideration, equity interest issued or issuable (in shares)						711,528
Shares forfeited if transfer doesn't occur						25.00%
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]
Loss before income taxes	$ 9.2	$ 6.6	$ 9.2	$ 13.5

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