Property, Plant and Equipment (Schedule of Property, Plant and Equipment) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 27, 2019	Dec. 28, 2018	Dec. 29, 2017
Property, Plant and Equipment [Line Items]
Depreciation	$ 97.7	$ 111.9	$ 113.8
Property, plant and equipment, gross	1,900.1	1,936.2
Less: accumulated depreciation	(1,003.6)	(954.2)
Property, plant and equipment, net	896.5	982.0
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	43.4	43.9
Buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	363.6	379.5
Capitalized Software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	142.2	130.8
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	1,157.0	1,137.3
Construction in Progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 193.9	$ 244.7

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 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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