Income Taxes (Detail) - USD ($) $ in Millions	3 Months Ended
Mar. 29, 2026	Mar. 30, 2025
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 12.3	$ 3.9
Loss before income taxes	$ 79.5	$ 8.8
Effective income tax rate	(15.50%)	(44.30%)
Unrecognized tax benefits	$ 197.0
Unrecognized tax benefits that could impact effective tax rate	20.2
Unrecognized tax benefits, income tax interest and penalties accrued	$ 2.4

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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+ Details

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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+ Details