Property and Equipment - Schedule of Property and Equipment (Detail) - USD ($) $ in Millions	Dec. 30, 2017	Dec. 31, 2016
Property, Plant and Equipment [Abstract]
Land	$ 24.5	$ 19.1
Buildings and improvements	357.4	309.4
Machinery, equipment and computer software	889.2	809.6
Property and equipment - gross	1,271.1	1,138.1
Accumulated depreciation and amortization	(786.7)	(712.9)
Property and equipment - net	$ 484.4	$ 425.2