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Property, Plant and Equipment Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Details) - USD ($)
$ in Millions
Dec. 30, 2017
Dec. 31, 2016
Property, Plant and Equipment [Abstract]    
Land $ 4.0 $ 4.1
Buildings and improvements 103.5 125.1
Machinery and equipment 171.0 189.6
Software 112.6 115.2
Gross cost 391.1 434.0
Less: accumulated depreciation 254.4 287.9
Property, plant and equipment, net $ 136.7 $ 146.1