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Discontinued Operations - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Mar. 31, 2024	Mar. 30, 2025	Mar. 31, 2024	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
Other current liabilities		$ 179.7		$ 77.9
Other current assets		249.5		180.3
Other long-term liabilities		211.9		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		34.3		67.0	$ 95.0
Other current assets		6.5		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
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	$ 6.9	$ 9.2	$ 20.4

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