Property, Plant and Equipment (Schedule of Property, Plant and Equipment) (Details) - USD ($) $ in Millions	Mar. 30, 2018	Dec. 29, 2017
Property, Plant and Equipment
Property, plant and equipment, gross	$ 592.8	$ 569.7
Less: accumulated depreciation	(166.1)	(156.5)
Property, plant and equipment, net	$ 426.7	$ 413.2