Basis of Presentation - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014	Jan. 03, 2015
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Document Period End Date			Oct. 03, 2015
Discontinued Operation, Provision for Loss (Gain) on Disposal, Net of Tax	$ 4.2
Disposal Group, Including Discontinued Operation, Revenue	3.9	$ 28.4	$ 39.4	$ 93.2
Liabilities of Assets Held-for-sale	0.0		0.0		$ 23.4
Assets Held-for-sale, Current	0.0		0.0		$ 29.5
Net Sales	$ 2,829.5	$ 2,878.9	$ 8,326.4	$ 8,356.1