Balance Sheet Information - Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions	Mar. 28, 2025	Dec. 27, 2024
Property, Plant and Equipment Line Items
Property, plant, and equipment, net, excluding construction in progress	$ 497.5	$ 502.0
Accumulated depreciation	(213.4)	(214.0)
Construction in progress	44.5	37.9
Total	328.6	325.9
Land
Property, Plant and Equipment Line Items
Equipment and leasehold improvements, gross	5.7	5.7
Buildings
Property, Plant and Equipment Line Items
Equipment and leasehold improvements, gross	52.4	52.2
Leasehold improvements
Property, Plant and Equipment Line Items
Equipment and leasehold improvements, gross	134.8	138.7
Machinery and equipment
Property, Plant and Equipment Line Items
Equipment and leasehold improvements, gross	223.7	222.4
Computer equipment and software
Property, Plant and Equipment Line Items
Equipment and leasehold improvements, gross	76.0	78.2
Furniture and fixtures
Property, Plant and Equipment Line Items
Equipment and leasehold improvements, gross	$ 4.9	$ 4.8

Property plant and equipment net excluding construction in progress.

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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