Financial Statement Details - Non-Operating Expense (Income), Net (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 27, 2021	Jun. 28, 2020	Jun. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
(Gain) loss on sale of investments, net	$ (0.4)	$ (1.5)	$ 0.1
(Gain) loss on equity investment	(8.3)	(14.2)	16.2
Gain on partial debt extinguishment	0.0	(11.0)	0.0
Gain on arbitration proceedings	0.0	(7.9)	0.0
Interest income	(10.1)	(16.3)	(13.9)
Interest expense	45.4	34.9	26.0
Foreign currency (gain) loss, net	(1.3)	(2.0)	1.3
Loss on Wafer Supply Agreement	0.8	0.0	0.0
Other, net	0.2	(0.5)	(0.3)
Non-operating expense (income), net	$ 26.3	$ (18.5)	$ 29.4

Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Amount of the cost of borrowed funds accounted for as interest expense.

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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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Amount of income (expense) related to nonoperating activities, classified as other.

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