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Basis of Presentation - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Oct. 01, 2016
Oct. 03, 2015
Oct. 01, 2016
Oct. 03, 2015
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]        
Document Period End Date     Oct. 01, 2016  
Disposal Group, Including Discontinued Operation, Revenue   $ 3.9   $ 39.4
Net Sales $ 2,882.0 $ 2,829.5 $ 8,486.5 $ 8,326.4