Balance Sheet Details - Other Non-Current Liabilities (Details) - USD ($) $ in Millions	3 Months Ended
Sep. 27, 2025	Sep. 28, 2024	Jun. 28, 2025
Other Liabilities, Noncurrent
Asset retirement obligations	$ 7.1		$ 7.1
Pension and related accruals	10.5		9.7
Unrecognized tax benefit	57.0		55.6
Other non-current liabilities	36.5		25.4
Other non-current liabilities	111.1		97.8
Liability for uncertainty in Income taxes, noncurrent			21.4
Foreign Plan
Other Liabilities, Noncurrent
Defined benefit plan obligation non current	11.4		11.0
Defined contribution plan, post	2.7	$ 1.9
Switzerland
Other Liabilities, Noncurrent
Noncurrent portion of benefit obligation	0.9		$ 1.3
United States
Other Liabilities, Noncurrent
Defined contribution plan, post	$ 0.7	$ 0.7

Unrecognized Tax Benefits, Noncurrent

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Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due beyond one year or the operating cycle, whichever is longer. Alternate captions include income taxes payable, noncurrent.

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Amount of liability, recognized in statement of financial position, for defined benefit pension plan, classified as noncurrent. Excludes other postretirement benefit plan.

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Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status.

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Amount of cost for defined contribution plan.

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Amount recognized for uncertainty in income taxes classified as noncurrent.

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Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.

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Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are expected to be paid after one year (or the normal operating cycle, if longer), from the balance sheet date.

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Amount of liability, recognized in statement of financial position, for defined benefit pension and other postretirement plans, classified as noncurrent.

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