Property, Plant and Equipment (Schedule of Property, Plant and Equipment) (Details) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 30, 2016
Property, Plant and Equipment
Property, plant and equipment, gross	$ 1,786.6	$ 1,679.4
Less: accumulated depreciation	(845.9)	(797.9)
Property, plant and equipment, net	$ 940.7	$ 881.5