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Discontinued Operations - Schedule of Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 29, 2024	Dec. 31, 2023	Dec. 29, 2024	Dec. 31, 2023
Operating expenses:
Net loss	$ 0.0	$ (18.5)	$ 0.0	$ (290.6)
Discontinued Operations, Held-for-sale | RF Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenue, net		26.8		59.6
Cost of revenue, net		30.8		68.7
Gross profit (loss)		(4.0)		(9.1)
Operating expenses:
Research and development		10.2		30.5
Sales, general and administrative		6.2		13.9
Amortization of intangibles		0.0		1.5
Loss on disposal of assets		0.3		0.3
Other operating expense		7.2		24.3
Loss before income taxes and loss on sale		(27.9)		(79.6)
(Gain) loss on sale		(16.0)		204.0
Loss before income taxes		(11.9)		(283.6)
Income tax expense		6.6		7.0
Net loss		$ (18.5)		$ (290.6)

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