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Discontinued Operations - Schedule of Discontinued Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 25, 2023
Operating expenses:
Net loss	$ 0.0	$ (290.6)	$ (69.4)
RF Business | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue, net		59.6	163.4
Cost of revenue, net		68.7	126.8
Gross (loss) profit		(9.1)	36.6
Operating expenses:
Research and development		30.5	59.7
Sales, general and administrative		13.9	21.0
Amortization of intangibles		1.5	9.2
Loss on disposal of assets		0.3	0.0
Other operating expense		24.3	15.5
Operating loss		(79.6)	(68.8)
Non-operating expense		0.0	(0.1)
Loss before income taxes and loss on sale		(79.6)	(68.7)
Loss on sale		204.0	0.0
Loss before income taxes		(283.6)	(68.7)
Income tax expense		7.0	0.7
Net loss		$ (290.6)	$ (69.4)

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