Balance Sheet Information - Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions	Jun. 26, 2026	Dec. 26, 2025
Property, Plant and Equipment Line Items
Property, plant, and equipment, net, excluding construction in progress	$ 556.7	$ 545.2
Accumulated depreciation	(263.4)	(243.0)
Construction in progress	30.4	22.4
Total	323.7	324.6
Land
Property, Plant and Equipment Line Items
Equipment and leasehold improvements, gross	5.6	5.9
Buildings
Property, Plant and Equipment Line Items
Equipment and leasehold improvements, gross	53.0	54.3
Leasehold improvements
Property, Plant and Equipment Line Items
Equipment and leasehold improvements, gross	152.6	148.1
Machinery and equipment
Property, Plant and Equipment Line Items
Equipment and leasehold improvements, gross	245.4	236.8
Computer equipment and software
Property, Plant and Equipment Line Items
Equipment and leasehold improvements, gross	95.8	95.9
Furniture and fixtures
Property, Plant and Equipment Line Items
Equipment and leasehold improvements, gross	$ 4.3	$ 4.2

Property plant and equipment net excluding construction in progress.

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Amount of accumulated depreciation, depletion, and amortization of property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection.

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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 property, plant, and equipment. Includes, but is not limited to, land and land improvement; building; machinery and equipment; furniture and fixture; and work of art, historical treasure, or similar asset classified as collection.

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