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Income Taxes - Schedule of Income (Loss) Before Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 28, 2025	Jun. 29, 2024	Jun. 24, 2023
Income Loss From Operations Before Provision Benefit For Income Taxes [Line Items]
(Loss)/income before provision for income taxes	$ (113.5)	$ (124.6)	$ 126.0
United States
Income Loss From Operations Before Provision Benefit For Income Taxes [Line Items]
(Loss)/income before provision for income taxes	(64.3)	(80.5)	(69.5)
Foreign
Income Loss From Operations Before Provision Benefit For Income Taxes [Line Items]
(Loss)/income before provision for income taxes	$ (49.2)	$ (44.1)	$ 195.5

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- Definition

Income loss from operations before provision benefit for income taxes.

+ References

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- Definition

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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