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Balance Sheet Details - Other Current Liabilities (Details) - USD ($) $ in Millions	Dec. 27, 2025	Sep. 27, 2025	Jun. 28, 2025	Dec. 28, 2024	Sep. 28, 2024	Jun. 29, 2024
Other Liabilities, Current
Restructuring accrual and related charges	$ 2.2	$ 5.9	$ 2.5	$ 1.5	$ 6.3	$ 11.1
Warranty reserve	22.7		14.4
Deferred revenue and customer deposits	2.1		0.7
Income tax payable	12.2		29.1
Other current liabilities	3.6		6.4
Other current liabilities	$ 42.8		$ 53.1